Browse by Current Cardiff authors

Mounaïm-Rousselle, Christine, Bréquigny, Pierre, Valera Medina, Agustin, Boulet, Elena, Emberson, David and Løvås, Terese 2021. Ammonia as fuel for transportation to mitigate zero carbon impact. In: Kalghatgi, Gautam, Kumar Agarwal, Avinash, Leach, Felix and Senecal, Kelly eds. Engines and Fuels for Future Transport, Energy, Environment, and Sustainability, Springer, pp. 257-279. (10.1007/978-981-16-8717-4_11)

Okon, Aniekan, Vigueras-Zuniga, Marco-Osvaldo, Agwu, Ogbonnaya, Chong, Cheng Tung and Valera Medina, Agustin 2021. Stable combustion under carbon dioxide enriched methane blends for exhaust gas recirculation (EGR). Journal of Thermal Science 30 , pp. 2186-2195. 10.1007/s11630-021-1442-3 Item availability restricted.

Chen, Zheyuan, Liu, Ying, Valera Medina, Agustin and Robinson, Fiona 2021. Multi-sourced modelling for strip breakage using knowledge graph embeddings. Presented at: 54th CIRP Conference on Manufacturing Systems (CMS 2021), Virtual, 22-24 September 2021. 54th CIRP CMS 2021 - Towards Digitalized Manufacturing 4.0. Elsevier, pp. 1884-1889. 10.1016/j.procir.2021.11.318

Hayakawa, Akihiro, Hayashi, Masao, Kovaleva, Marina, Gotama, Gabriel Jeremy, Okafor, Ekenechukwu Chijioke, Colson, Sophie Valerie Anne, Mashruk, Syed, Valera Medina, Agustin, Kudo, Taku and Kobayashi, Hideaki 2021. Study on N2O production mechanisms of lean ammonia/hydrogen/air premixed laminar flames. Presented at: The 59th Japanese Symposium on Combustion, Virtual, 22nd - 24 November 2021.

Guati Rojo, Andrea, Demski, Christina, Poortinga, Wouter and Valera Medina, Agustin 2021. Public attitudes and concerns about ammonia as an energy vector. Energies 14 (21) , 7296. 10.3390/en14217296

Guati-Rojo, Andrea, Demski, Christina, Poortinga, Wouter and Valera-Medina, Agustin 2021. Public attitudes and concerns about ammonia as an energy vector. Energies 14 (21) , 7296. 10.3390/en14217296

Vigueras-Zuniga, Marco Osvaldo, Tejeda-del-Cueto, Maria Elena, Mashruk, Syed, Kovaleva, Marina, Ordonez-Romero, Cesar Leonardo and Valera Medina, Agustin 2021. Methane/ammonia radical formation during high temperature reactions in swirl burners. Energies 14 (20) , 6624. 10.3390/en14206624

Mashruk, Syed, Xiao, Hua, Pugh, Daniel, Chiong, Meng-Choung, Runyon, Jon, Goktepe, Burak, Giles, Anthony and Valera Medina, Agustin 2021. Numerical analysis on the evolution of NH2 in ammonia/hydrogen swirling flames and detailed sensitivity analysis under elevated conditions. Combustion Science and Technology 10.1080/00102202.2021.1990897

Boero, Andrea J., Kardux, Kevin, Kovaleva, Marina, Salas, Daniel A., Mooijer, Jacco, Mashruk, Syed, Townsend, Michael, Rouwenhorst, Kevin, Valera Medina, Agustin and Ramirez, Angel D. 2021. Environmental life cycle assessment of ammonia‐based electricity. Energies 14 (20) , 6721. 10.3390/en14206721

Vishnoi, Neha, Valera Medina, Agustin, Saurabh, Aditya and Kabiraj, Lipika 2021. Combustion of hydrogen-methane-air mixtures in a generic triple swirl burner: numerical studies. Presented at: Turbo Expo 2021 Turbomachinery Technical Conference & Exposition, Virtual, 7-11 June 2021. ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. Turbo Expo: Power for Land, Sea and Air ASME, 10.1115/GT2021-59744 Item availability restricted.

Chiong, Meng-Choung, Chong, Cheng Tung, Ng, Jo-Han, Mashruk, Syed, Chong, William Woei Fong, Samiran, Nor Afzanizam, Mong, Guo Ren and Valera Medina, Agustin 2021. Advancements of combustion technologies in the ammonia-fuelled engines. Energy Conversion and Management 244 , 114460. 10.1016/j.enconman.2021.114460 Item availability restricted.

Portapas, Vilius, Zaidi, Yaseen, Bakunowicz, Jerzy, Paddeu, Daniela, Valera Medina, Agustin and Didey, Arnaud 2021. Targeting global environmental challenges by the means of novel multimodal transport: concept of operations. Presented at: 2021 World S4 Conference, London, England, 29-30 July 2021. 2021 Fifth World Conference on Smart Trends in Systems Security and Sustainability (WorldS4). IEEE, 10.1109/WorldS451998.2021.9514048

Hayakawa, Akihiro, Hayashi, Masao, Gotama, Gabriel, Kovaleva, Marina, Okafor, Ekenechukwu, Colson, Sophie, Mashruk, Syed, Valera Medina, Agustin and Kobayashi, Hideaki 2021. N2O production characteristics of strain stabilized premixed laminar ammonia/hydrogen/air premixed flames in lean conditions. Presented at: 13th Asia-Pacific Conference on Combustion 2021, Abu Dhabi, United Arab Emirates, 05-09 December 2021. Item availability restricted.

Guteša Božo, Milana and Valera Medina, Agustin 2021. Comparative analysis of gasification and adiabatic digestion of corn for practical implementation in conventional gas turbines. Gases 1 (2) , pp. 92-105. 10.3390/gases1020008

Hatem, Fares, Al-Fahham, Mohammed, Alsaegh, Ali Safa, Al-dulaimi, Zaid M. and Valera Medina, Agustin 2021. Experimental Investigation on effects of bluff-body size and axial air injection on blowoff limits in swirl burners. Journal of Engineering Science and Technology 16 (3) , pp. 2202-2214.

Pugh, D., Valera-Medina, A., Bowen, P., Giles, A., Goktepe, B., Runyon, J., Morris, S., Hewlett, S. and Marsh, R. 2021. Emissions performance of staged premixed and diffusion combustor concepts for an NH3/air flame with and without reactant humidification. Journal of Engineering for Gas Turbines and Power 143 (5) , 051012. 10.1115/1.4049451

Valera-Medina, A., Amer-Hatem, F., Azad, A. K., Dedoussi, I. C., de Joannon, M., Fernandes, R. X., Glarborg, P., Hashemi, H., He, X., Mashruk, S., McGowan, J., Mounaim-Rouselle, C., Ortiz-Prado, A., Ortiz-Valera, A., Rossetti, I., Shu, B., Yehia, M., Xiao, H. and Costa, M. 2021. Review on ammonia as a potential fuel: from synthesis to economics. Energy and Fuels 35 (9) , pp. 6964-7029. 10.1021/acs.energyfuels.0c03685

Agwu, Ogbonnaya, Valera Medina, Agustin, Tomaz, Katrašnikb and Tine, Seljak 2021. Flame characteristics of glycerol/methanol blends in a swirl-stabilised gas turbine burner. Fuel 290 , 119968. 10.1016/j.fuel.2020.119968

Razon, Luis F. and Valera-Medina, Agustin 2021. A comparative environmental life cycle assessment of the combustion of ammonia/methane fuels in a tangential swirl burner. Frontiers in Chemical Engineering 3 , 631397. 10.3389/fceng.2021.631397

Mashruk, Syed, Xiao, Hua and Valera-Medina, Agustin 2021. Rich-Quench-Lean model comparison for the clean use of humidified ammonia/hydrogen combustion systems. International Journal of Hydrogen Energy 46 (5) , pp. 4472-4484. 10.1016/j.ijhydene.2020.10.204

Pugh, D., Valera-Medina, A., Bowen, P., Giles, A., Goktepe, B., Runyon, J., Morris, S., Hewlett, S. and Marsh, R. 2021. Emissions performance of staged premixed and diffusion combustor concepts for an NH3/air flame with and without reactant humidification. Presented at: ASME Turbo Expo 2020: Turbomachinery Technical Conference & Exposition, Virtual, 21-25 September 2020. ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. ASME, 10.1115/GT2020-14953

Hewlett, S. G., Pugh, D. G., Valera-Medina, A., Giles, A., Runyon, J., Goktepe, B. and Bowen, P.J. 2021. Industrial wastewater as an enabler of green ammonia to power via gas turbine technology. Presented at: Turbomachinery Technical Conference & Exposition (TURBO EXPO 2020), Virtual, 21-25 September 2020. Proceedings of ASME Turbo Expo 2020 Turbomachinery Technical Conference and Exposition. ASME, GT2020-14581. 10.1115/GT2020-14581

Guteša, Božo, Mashruk, Syed, Zitouni, Seif-Eddine and Valera Medina, Agustin 2021. Humidified ammonia/hydrogen RQL combustion in a trigeneration gas turbine cycle. Energy Conversion and Management 27 , 113625. 10.1016/j.enconman.2020.113625

Pugh, Daniel, Runyon, Jon, Bowen, Philip, Giles, Anthony, Valera-Medina, Agustin, Marsh, Richard, Goktepe, Burak and Hewlett, Sally 2021. An investigation of ammonia primary flame combustor concepts for emissions reduction with OH*, NH2* and NH* chemiluminescence at elevated conditions. Proceedings of the Combustion Institute 38 (4) , pp. 6451-6459. 10.1016/j.proci.2020.06.310

Chen, Zheyuan, Liu, Ying, Valera-Medina, Agustin, Robinson, Fiona and Packianather, Michael 2021. Multi-faceted modelling for strip breakage in cold rolling using machine learning. International Journal of Production Research 59 (21) , pp. 6347-6360. 10.1080/00207543.2020.1812753

Kovaleva, Marina, Mashruk, Syed and Valera Medina, Agustin 2021. Experimental study of ammonia addition in premixed methane flames. Presented at: 38th International Symposium on Combustion, Adelaide, Australia, 24-29 January 2021.

Kovaleva, Marina, Mashruk, Syed and Valera Medina, Agustin 2021. Empirical and numerical investigation of turbulent flows in a novel design burner for ammonia/hydrogen combustion. Presented at: European Combustion Meeting (ECM 2021), Virtual, 14-15 April 2021.

Kovaleva, Marina, Mashruk, Syed, Agwu, Ogbonnaya and Valera Medina, Agustin 2021. The development and testing of a CH4/NH3/H2 combustion system for a 50kW micro gas turbine. Presented at: ASME Turbomachinery Technical Conference & Exposition (Turbo Expo 2021), Virtual, 7-11 June 2021.

Hayakawa, A., Hayashi, M., Gotama, G. J., Kovaleva, M., Okafor, E. C., Colson, S., Kudo, T., Mashruk, S., Valera Medina, A. and Kobayashi, H. 2021. Product gas characteristics of ammonia/hydrogen/air premixed laminar flames stabilized in stagnation flows for various equivalence ratios. Presented at: 18th International Conference on Flow Dynamics (ICFD 2021), Virtual, 27-29 October 2021. Item availability restricted.

Zitouni, S-E., Mashruk, S., Mukundakumar, N, Brequigny, P., Zayoud, A., Pucci, E., Macchiavello, S., Contino, F., , C., , R. and Valera Medina, A. 2021. Ammonia blended fuels - energy solutions for a green future. Presented at: European Turbine Network (ETN) International Gas Turbine Conference, Brussels, Belgium, 11-15 October 2021.

Mashruk, Syed, Kovaleva, Marina, Tung Chong, Cheng, Hayakawa, Akihiro, Okafor, Ekenechukwu C. and Valera-Medina, Agustin 2021. Nitrogen Oxides as a by-product of Ammonia/Hydrogen combustion regimes. Chemical Engineering Transactions 89 , pp. 613-618. 10.3303/CET2189103

Mashruk, Syed, Kovaleva, Marina, Zitouni, Seif Eddine, Brequigny, Pierre, Rousselle, Christine and Valera-Medina, Agustin 2021. Ammonia/hydrogen/methane characteristic profiles for atmospheric combustion applications. Presented at: 13th International Conference on Applied Energy (ICAE 2021), Bangkok, Thailand, 29 November - 02 December 2021.

Mao, Chenlin, Wang, Ping, Wang, Yongqian, Valera Medina, Agustin and Cheng, Kang 2021. Effects of equivalence ratio, inlet temperature and pressure on NO emissions for two stage combustion of NH3/H2 fuel mixture. Presented at: 13th Asia-Pacific Conference on Combustion (ASPACC 2021), Abu Dhabi, United Arab Emirates, 05-09 December 2021.

Bozo, Milana Gutesa and Valera-Medina, Agustin 2020. Prediction of novel humified gas turbine cycle parameters for ammonia/hydrogen fuels. Energies 13 (21) , 5749. 10.3390/en13215749

Chen, Zheyuan, Liu, Ying, Valera Medina, Agustin and Robinson, Fiona 2020. A multi-source feature-level fusion approach for predicting strip breakage in cold rolling. Presented at: 2020 IEEE 16th International Conference on Automation Science and Engineering (CASE), Virtual, 20-24 August 2020. 2020 IEEE 16th International Conference on Automation Science and Engineering (CASE). IEEE, pp. 482-487. 10.1109/CASE48305.2020.9216854

Agwu, Ogbonnaya, Runyon, Jon, Goktepe, Burak, Chong, Cheng T., Ng, Jo-Han, Giles, Anthony and Valera-Medina, Agustin 2020. Visualisation and performance evaluation of biodiesel/methane co-combustion in a swirl-stabilised gas turbine combustor. Fuel 277 , 118172. 10.1016/j.fuel.2020.118172

Chiong, Meng-Choung, Valera-Medina, Agustin, Chong, William Woei Fong, Chong, Cheng Tung, Mong, Guo Ren and Mohd Jaafar, Mohammad Nazri 2020. Effects of swirler vane angle on palm biodiesel/natural gas combustion in swirl-stabilised gas turbine combustor. Fuel 277 , 118213. 10.1016/j.fuel.2020.118213

Slejak, T., Buffi, M., Valera-Medina, Agustin, Chong, C. T., Chiaramonti, D. and Katrasnik, T. 2020. Bioliquids and their use in power generation - a technology review. Renewable and Sustainable Energy Reviews 129 , 109930. 10.1016/j.rser.2020.109930

Valera Medina, Agustin and Banares-Alcantara, Rene 2020. Techno-economic challenges of green ammonia as an energy vector. Academic Press.

Alrebei, Odi Fawwaz, Bowen, Philip and Valera Medina, Agustin 2020. Parametric study of various thermodynamic cycles for the use of unconventional blends. Energies 13 (18) , 4656. 10.3390/en13184656

Chong, Cheng Tung, Chiong, Meng-Choung, Teyo, Zhe Yong, Ng, Jo-Han, Chong, William Woei Fong, Tran, Manh-Vu, Lam, Su Shiung and Valera Medina, Agustin 2020. Pool fire burning characteristics of biodiesel. Fire Technology 56 , pp. 1703-1724. 10.1007/s10694-020-00949-3

Xiao, Hua, Lai, Shini, Valera-Medina, Agustin, Li, Juying, Liu, Jinyuan and Fu, Huide 2020. Experimental and modeling study on ignition delay of ammonia/methane fuels. International Journal of Energy Research 44 (8) , pp. 6939-6949. 10.1002/er.5460

Elishav, Oren, Mosevitzky Lis, Bar, Miller, Elisa M., Arent, Douglas J., Valera-Medina, Agustin, Grinberg Dana, Alon, Shter, Gennady E. and Grader, Gideon S. 2020. Progress and prospective of nitrogen-based alternative fuels. Chemical Reviews 120 (12) , pp. 5352-5436. 10.1021/acs.chemrev.9b00538

Agwu, Ogbonnaya and Valera-Medina, Agustin 2020. Diesel/syngas co-combustion in a swirl-stabilised gas turbine combustor. Journal of Thermofluids 3-4 , 100026. 10.1016/j.ijft.2020.100026

Xiao, Hua, Lai, Shini, Valera Medina, Agustin, Li, Juyling, Liu, Jinyuan and Fu, Huide 2020. Study on counterflow premixed flames using high concentration ammonia mixed with methane. Fuel 275 , 117902. 10.1016/j.fuel.2020.117902

Valera Medina, Agustin and Roldan, Alberto 2020. Ammonia from steelworks. In: Inamuddin, , Boddula, Rajender and Asiri, Abdulah eds. Sustainable Ammonia Production, Green Energy and Technology, Springer, pp. 69-80. (10.1007/978-3-030-35106-9_4)

Vigueras Zuniga, M.O., Tejeda del Cueto, M.E., Vasquez Santacruz, J.A., Herrera May, A.L. and Valera Medina, Agustin 2020. Numerical predictions of a swirl combustor using complex chemistry fueled with ammonia/hydrogen blends. Energies 13 (2) , 288. 10.3390/en13020288

Chong, Cheng Tung, Chiong, Meng-Choung, Ng, Jo-Han, Tran, Manh-Vu, Valera-Medina, Agustin, Józsa, Viktor and Tian, Bo 2020. Dual-fuel operation of biodiesel and natural gas in a model gas turbine combustor. Energy and Fuels 34 (3) , pp. 3788-3796. 10.1021/acs.energyfuels.9b04371

Martinez-Zavala, Haydee, Bhaduri, Debajyoti, Petkov, Petko, Valera-Medina, Agustin and Bigot, Samuel 2020. Effects of laser microtextured surfaces in condensation heat transfer. Procedia CIRP 95 , pp. 927-932. 10.1016/j.procir.2020.01.184

Xiao, Hua, He, Wenjing, Lai, Shini, Valera-Medina, Agustin and Mashruk, Syed 2020. Auto-ignition study on methane and ammonia fuel blends. Presented at: 12th International Conference on Applied Energy (ICAE 2020), Virtual, 1-10 December 2020.

Warwick-Brown, David, Berge-Karevoll, Hilde, Al Abdullatif, Maryam and Valera Medina, Agustin 2020. Assessing the techno-economic feasibility of a wind-tidal lagoon hybrid system for green ammonia storage in Wales, UK. Presented at: Congreso Internacional de Desarrollo Sustentable y Energías Renovables (CIDSER 2020), Virtual, 4-6 November 2020.

Pugh, Daniel, Bowen, Philip, Valera-Medina, Agustin, Giles, Anthony, Runyon, Jon and Marsh, Richard 2019. Influence of steam addition and elevated ambient conditions on NOx reduction in a staged premixed swirling NH3/H2 flame. Proceedings of the Combustion Institute 37 (4) , pp. 5401-5409. 10.1016/j.proci.2018.07.091

Hewlett, Sally, Valera Medina, Agustin, Pugh, Daniel and Bowen, Philip 2019. Gas turbine co-firing of steelworks ammonia with coke oven gas or methane: A fundamental and cycle Analysis. Presented at: ASME Turbo Expo 2019, Phoenix, Arizona, USA, 17-21 June 2019. ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition: Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems. ASME, GT2019-91404. 10.1115/GT2019-91404

Honzawa, Takafumi, Kai, Reo, Okada, Akiko, Valera-Medina, Agustin, Bowen, Philip J. and Kurose, Ryoichi 2019. Predictions of NO and CO emissions in ammonia/methane/air combustion by LES using a non-adiabatic flamelet generated manifold. Energy 186 , 115771. 10.1016/j.energy.2019.07.101

Guteša Božo, M., Vigueras-Zuniga, M.O., Buffi, M., Seljak, T. and Valera Medina, Agustin 2019. Fuel rich ammonia-hydrogen injection for humidified gas turbines. Applied Energy 251 , 113334. 10.1016/j.apenergy.2019.113334

Alrebei, Odi Fawwaz, Al-Doboon, Ali, Bowen, Philip and Valera Medina, Agustin 2019. CO2-Argon-Steam Oxy-Fuel production for (CARSOXY) gas turbines. Energies 12 (18) , 3580. 10.3390/en12183580

Samiran, Nor Afzanizam, Chong, Cheng Tung, Ng, Jo-Han, Tran, Manh-Vu, Ong, Hwai Chyuan, Valera Medina, Agustin, Chong, William Woei Fong and Mohd Jaafar, Mohammad Nazri 2019. Experimental and numerical studies on the premixed syngas swirl flames in a model combustor. International Journal of Hydrogen Energy 44 (44) , pp. 24126-24139. 10.1016/j.ijhydene.2019.07.158

Chong, Cheng Tung, Chiong, Meng-Choung, Ng, Jo-Han, Lim, Mooktzeng, Tran, Manh-Vu, Valera Medina, Agustin and Chong, William Woei Fong 2019. Oxygenated sunflower biodiesel: Spectroscopic and emissions quantification under reacting swirl spray conditions. Energy 178 , pp. 804-813. 10.1016/j.energy.2019.04.201

Chen, Zheyuan, Liu, Ying, Valera Medina, Agustin and Robinson, Fiona 2019. Characterizing strip snap in cold rolling process using advanced data analytics. Procedia CIRP 81 , pp. 453-458. 10.1016/j.procir.2019.03.078

Al-Farraji, Abbas, Marsh, Richard, Steer, Julian and Valera Medina, Agustin 2019. Kinetics and performance of raw and torrefied biomass in a continuous bubbling fluidized bed gasifier. Waste and Biomass Valorization 10 (5) , pp. 1365-1381. 10.1007/s12649-017-0167-8

Valera Medina, Agustin, Li, Rui, He, Guoqiang, Qin, Fei and Konnov, Alexander A. 2019. Reduced chemical kinetics for CDF studies of ammonia-hydrogen blends in gas turbine swirl combustors. Presented at: Ammonia for Fueling Future Energy Workshop, Lisbon, Portugal, 13-14 April 2019.

Valera Medina, Agustin, Gutesa, M., Xiao, H., Pugh, D., Giles, A., Goktepe, B., Marsh, R. and Bowen, P. 2019. Premixed ammonia/hydrogen swirl combustion under rich fuel conditions for gas turbines operation. International Journal of Hydrogen Energy 44 (16) , pp. 8615-8626. 10.1016/j.ijhydene.2019.02.041

Gutesa Bozo, Milana, Valera Medina, Agustin, Syred, N and Bowen, Philip J. 2019. Fuel quality impact analysis for practical implementation of corn COB gasification gas in conventional gas turbine power plants. Biomass and Bioenergy 122 , pp. 221-230. 10.1016/j.biombioe.2019.01.012

Alboshmina, Najlaa Ali, Valera Medina, Agustin and Alsaegh, Ali Safa 2019. Ammonia-hydrogen combustion in a swirl burner with reduction of NOx emissions. Energy Procedia 158 , pp. 2305-2310. 10.1016/j.egypro.2019.01.265

Alsaegh, Ali Safa, Valera Medina, Agustin, Hussein, Najlaa A., Al-Fahham, M.A., Hatem, Fares A. and Chong, C T 2019. Effects of different nozzle configurations on swirl flow topology in tangential swirl burners. Energy Procedia 158 , pp. 2317-2322. 10.1016/j.egypro.2019.01.269

Chen, Zheyuan, Liu, Ying, Valera Medina, Agustin and Robinson, Fiona 2019. Strip snap analytics in cold rolling process using machine learning. Presented at: 2019 IEEE 15th International Conference on Automation Science and Engineering, Vancouver, BC, Canada, 22-26 August 2019. -.

Martinez Zavala, Haydee, Bhaduri, Debajyoti, Valera Medina, Agustin and Bigot, Samuel 2019. Experimental study on heat transfer enhancement during condensation using microstructured surfaces. Presented at: International Conference on Applied Energy 2019, Västerås, Sweden, 12-15 Aug 2019.

Buffi, Marco, Seljak, Tine, Cappelletti, Alessandro, Bettucci, Lorenzo, Valera Medina, Agustin, Katrasnik, Tomaz and Chiaramonti, David 2018. Performance and emissions of liquefied wood as fuel for a small scale gas turbine. Applied Energy 230 , pp. 1193-1204. 10.1016/j.apenergy.2018.08.126

Hatem, F.A., Alsaegh, A.S., Al-Faham, M., Valera Medina, A., Chong, C.T. and Hassoni, S.M. 2018. Enhancing flame flashback resistance against Combustion Induced Vortex Breakdown and Boundary Layer Flashback in swirl burners. Applied Energy 230 , pp. 946-959. 10.1016/j.apenergy.2018.09.055

Valera Medina, Agustin, Xiao, H., Owen-Jones, M., David, W.I.F. and Bowen, Philip 2018. Ammonia for power. Progress in Energy and Combustion Science 69 , p. 63. 10.1016/j.pecs.2018.07.001

Seljak, Tine, Pavalec, Klemen, Buffi, Marco, Valera Medina, Agustin, Chiaramonti, David and Katrasnik, Tomaz 2018. Challenges and solutions for utilization of bioliquids in microturbines. Journal of Engineering for Gas Turbines and Power 141 (3) , 031401. 10.1115/1.4041312 Item availability restricted.

Chiong, Meng Choung, Chong, Cheng Tung, Ng, Jo-Han, Tran, Manh-Vu, Lam, Su Shiung, Valera Medina, Agustin and Mohd Jaafar, Mohammad Nazri 2018. Combustion and emission performances of coconut, palm and soybean methyl esters under reacting spray flame conditions. Journal of the Energy Institute 22 (45) , pp. 123-155. 10.1016/j.joei.2018.07.003

Chiong, Meng Choung, Chong, Cheng Tung, Ng, Jo-Han, Lam, Su Shiung, Tran, Manh-Vu, Chong, William Woei Fong, Mohd Jaafar, Mohammad Nazri and Valera Medina, Agustin 2018. Liquid biofuels production and emissions performance in gas turbines: A review. Energy Conversion and Management 173 , pp. 640-658. 10.1016/j.enconman.2018.07.082

Xiao, Hua, Wang, Zhaolin, Valera Medina, Agustin and Bowen, Philip J. 2018. Study on characteristics of co-firing ammonia/methane fuels under oxygen enriched combustion conditions. Journal of Thermal Science 27 (3) , pp. 270-276. 10.1007/s11630-018-1008-1

Samiran, N. A., Jaafar, M. N. M., Chong, C. T., Valera Medina, Agustin and Ng, J. H. 2018. Downdraft gasification or raw and torrefied palm kernel shell. Presented at: 3rd International Conference on Power Generation Systems and Renewable Energy Technologies PGSRET, UTM, Malaysia, 4-6 April 2017. 2017 3rd International Conference on Power Generation Systems and Renewable Energy Technologies (PGSRET). IEEE Xplore, pp. 38-43.

Samiran, Nor Afzanizam, Jaafar, Mohammad Nazri Mohd, Chong, Cheng Tung, Valera Medina, Agustin and Ng, Jo-Han 2018. Experimental and numerical studies of swirl combustion characteristics of syngas. Presented at: 3rd International Conference On Power Generation Systems And Renewable Energy Technologies (PGSRET), Johor Bahru, Malaysia, 4-6 April 2017. 2017 3rd International Conference on Power Generation Systems and Renewable Energy Technologies (PGSRET). IEEE, pp. 191-196. 10.1109/PGSRET.2017.8251826

Samiran, Nor Afzanizam, Jaafar, Mohammad Nazri Mohd, Chong, Cheng Tung, Valera Medina, Agustin and Ng, Jo-Han 2018. Downdraft gasification of raw and torrefied palm kernel shell. Presented at: 3rd International Conference On Power Generation Systems And Renewable Energy Technologies (PGSRET), Johor Bahru, Malaysia, 4-6 April 2017. Proceedings of the 2017 3rd International Conference on Power Generation Systems and Renewable Energy Technologies (PGSRET). IEEE, 10.1109/PGSRET.2017.8251798

Fatla, Oula M. H., Valera Medina, Agustin, Robinson, Fiona, Cichuta, Mark and Beynon, Nathan 2018. Development of convection in high temperature coil annealing furnaces using rotating cylinder technique. Applied Thermal Engineering 129 , pp. 1392-1402. 10.1016/j.applthermaleng.2017.10.136

Valera Medina, A., Vigueras-Zuniga, M. O., Baej, H., Syred, N., Chong, C.T. and Bowen, P. J. 2017. Outlet geometrical impacts on blowoff effects when using various syngas mixtures in swirling flows. Applied Energy 207 , pp. 195-207. 10.1016/j.apenergy.2017.05.119

Xiao, Hua, Valera Medina, Agustin and Bowen, Philip J. 2017. Study on premixed combustion characteristics of co-firing ammonia/methane fuels. Energy 140 (1) , pp. 125-135. 10.1016/j.energy.2017.08.077

Al-Akaishi, Ahmed, Valera Medina, Agustin, Chong, C. T. and Marsh, Richard 2017. CFD analysis of the fluidised bed hydrodynamic behaviour inside an isothermal gasifier with different perforated plate distributors. Energy Procedia 142 , pp. 835-840. 10.1016/j.egypro.2017.12.134

Kurji, Hayder, Valera Medina, Agustin, Okon, Aniekan and Chong, CT 2017. Combustion and emission performance of CO2/CH4/biodiesel and CO2/CH4/diesel blends in a Swirl Burner Generator. Energy Procedia 142 , pp. 154-159. 10.1016/j.egypro.2017.12.025

Buffi, Marco, Cappelletti, Alessandro, Seljak, Tine, Katrasnik, Tomaz, Valera Medina, Agustin and Chiaramonti, David 2017. Emissions and combustion performance of a micro gas turbine powered with liquefied wood and its blends. Energy Procedia 142 , pp. 297-302. 10.1016/j.egypro.2017.12.047

Hatem, Fares A., Alsaegh, Ali S., Al-Faham, Mohammed and Valera Medina, Agustin 2017. Enhancement flame flashback resistance against CIVB and BLF in swirl burners. Energy Procedia 142 , pp. 1071-1076. 10.1016/j.egypro.2017.12.358

Xiao, Hua, Valera Medina, Agustin, Bowen, Philip and Dooley, S. 2017. 3D simulation of ammonia combustion in a lean premixed swirl burner. Energy Procedia 142 , pp. 1294-1299. 10.1016/j.egypro.2017.12.504

Al-Fahham, Mohamed, Hatem, Fares Amer, Al-Dulami, Zaid, Valera Medina, Agustin and Bigot, Samuel 2017. Experimental study to enhance swirl burner against boundary layer flashback. Energy Procedia 142 , pp. 1534-1538. 10.1016/j.egypro.2017.12.604

Alsaegh, Ali Safa, Hatem, Fares and Valera Medina, Agustin 2017. Visualisation of turbulent flows in a swirl burner under the effects of axial air jets. Energy Procedia 142 , pp. 1680-1685. 10.1016/j.egypro.2017.12.549

Okon, Aniekan, Valera Medina, Agustin, Kurji, Hayder and Xue, Yiqin 2017. Acoustic dynamics of a swirl premixed combustor with different operating conditions. Energy Procedia 142 , pp. 1674-1679. 10.1016/j.egypro.2017.12.548

Samiran, Nor Afzanizam, Ng, Jo-Han, Mohd Jaafar, Mohammad Nazri, Valera Medina, Agustin and Chong, Cheng Tung 2017. Swirl stability and emission characteristics of CO-enriched syngas/air flame in a premixed swirl burner. Process Safety and Environmental Protection 112 (Part B) , pp. 315-326. 10.1016/j.psep.2017.07.011

Valera Medina, Agustin, Pugh, Daniel, Marsh, P., Bulat, G. and Bowen, Philip 2017. Preliminary study on lean premixed combustion of ammonia-hydrogen for swirling gas turbine combustors. International Journal of Hydrogen Energy 42 (38) , pp. 24495-24503. 10.1016/j.ijhydene.2017.08.028

Escamilla‑Ruíz, I.A., Sierra‑Espinosa, F. Z., García, J. C., Valera Medina, Agustin and Carillo, F 2017. Experimental data and numerical predictions of a single-phase flow in a batch square stirred tank reactor with a rotating cylinder agitator. Heat and Mass Transfer 53 (9) , pp. 2933-2949. 10.1007/s00231-017-2030-7

Buffi, Marco, Valera Medina, Agustin, Marsh, Richard, Pugh, Daniel, Giles, Anthony, Runyon, Jon and Chiaramonti, David 2017. Emissions characterization tests for hydrotreated renewable jet fuel from used cooking oil and its blends. Applied Energy 201 , pp. 84-93. 10.1016/j.apenergy.2017.05.104

Xiao, Hua, Valera Medina, Agustin and Bowen, Philip J. 2017. Modeling combustion of ammonia/hydrogen fuel blends under gas turbine conditions. Energy and Fuels 31 (8) , pp. 8631-8642. 10.1021/acs.energyfuels.7b00709

Chong, Cheng Tung, Tan, Win Hon, Lee, Siew Ling, Chong, William Woei Fong, Lam, Su Shiung and Valera Medina, Agustin 2017. Morphology and growth of carbon nanotubes catalytically synthesised by premixed hydrocarbon-rich flames. Materials Chemistry and Physics 197 , pp. 246-255. 10.1016/j.matchemphys.2017.05.036

Al-Doboon, Ali, Gutesa, Milana, Valera Medina, Agustin, Syred, Nick, Ng, Jo-Han and Chong, Cheng Tung 2017. CO 2 -argon-steam oxy-fuel (CARSOXY) combustion for CCS inert gas atmospheres in gas turbines. Applied Thermal Engineering 122 , pp. 350-358. 10.1016/j.applthermaleng.2017.05.032

Xiao, Hua, Howard, M.S., Valera Medina, Agustin, Dooley, S. and Bowen, Philip John 2017. Reduced chemical mechanisms for ammonia/methane co-firing for gas turbine applications. Energy Procedia 105 , pp. 1483-1488. 10.1016/j.egypro.2017.03.441

Xiao, Hua, Valera Medina, Agustin, Marsh, Richard and Bowen, Philip J. 2017. Numerical study assessing various ammonia/methane reaction models for use under gas turbine conditions. Fuel 196 , pp. 344-351. 10.1016/j.fuel.2017.01.095

Buffi, Marco, Chiaramonti, David and Valera-Medina, Agustin 2017. Strategies toward experimental assessments of new aviation renewable fuels and blends: The BIOREFLY Project. Energy Procedia 105 , pp. 433-438. 10.1016/j.egypro.2017.03.337

Valera Medina, Agustin, Baej, H., Syred, Nicholas, Chong, C. T. and Bowen, Philip John 2017. Coherent structure impacts on blowoff using various syngases. Energy Procedia 105 , pp. 1356-1362. 10.1016/j.egypro.2017.03.500

Hatem, Fares, Alsaegh, Ali, Valera Medina, Agustin and Marsh, Richard 2017. Experimental and numerical investigation of the effect of diffusive air injection on turbulence generation and flashback propensity in swirl combustors. Presented at: European Combustion Meeting ECM 2017, Dubrovnik, Croatia, 18-21 April 2017.

Xiao, Hua and Valera Medina, Agustin 2017. Chemical kinetic mechanism study on premixed combustion of ammonia/hydrogen fuels for gas turbine use. Journal of Engineering for Gas Turbines and Power 139 (8) , -. 10.1115/1.4035911

Hatem, Fares Amer, Alsaegh, Ali Safa, Valera Medina, Agustin, Syred, Nick and Marsh, Richard 2017. Experimental investigation of the Effect of Air Diffusive injection on premixing swirl flames. Presented at: 55th AIAA Aerospace Sciences Meeting, Grapevine, Texas, USA, 9 - 13 January 2017. 55th AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2017-0778). Reston, Va: American Institute of Aeronautics and Astronautics, pp. 1-10. 10.2514/6.2017-0778

Okon, Aniekan, Valera Medina, Agustin, Kurji, Hayder and Marsh, Richard 2017. Effects of flame temperature on combustion instabilities of a premixed burner. Presented at: 8th European Combustion Meeting 2017, Dubrovnik, Croatia, 18-21 April 2017.

Al-Fahham, Mohamed, Hatem, Fares, Valera Medina, Agustin and Bigot, Samuel 2017. Investigation of boundary layer flashback enhancement in swirl burner using woven wire mesh. Presented at: 8th European Combustion Meeting 2017, Dubrovnik, Croatia, 18-21 April 2017.

Valera Medina, Agustin, Marsh, Richard, Runyon, Jon, Pugh, Daniel, Beasley, Paul, Hughes, Timothy and Bowen, Phil 2017. Ammonia-methane combustion in tangential swirl burners for gas turbine power generation. Applied Energy 185 (2) , pp. 1362-1371. 10.1016/j.apenergy.2016.02.073

Alsaegh, Ali, Hatem, Fares, Valera Medina, Agustin and Marsh, Richard 2017. CFD simulation and validation of hydrodynamic instabilities onset in swirl combustors. Presented at: 8th European Combustion Meeting 2017, Dubrovnik, Croatia, 18-21 April 2017.

Syred, Nicholas, Gutesha, Milana V., Al-Doboon, Ali, Valera Medina, Agustin and Bowen, Philip John 2017. CARSOXY (CO2-Argon-Steam-OxyFuel) combustion in gas turbines for CCS systems. Presented at: 55th AIAA Aerospace Sciences Meeting, Grapevine, TX, USA, 9-13 January 2017. 55th AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2017-1608). Sci Tech, 10.2514/6.2017-1608

Al-Fahham, Mohammed, Hatem, Fares Amer, Alsaegh, Ali Safa, Valera Medina, Agustin, Bigot, Samuel and Marsh, Richard 2017. Experimental study to enhance resistance for boundary layer flashback in swirl burners using microsurfaces. Presented at: ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, North Carolina, USA, 26-30 June 2017. ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. ASME, 10.1115/GT2017-63367

Runyon, Jon, Marsh, Richard, Pugh, Daniel, Bowen, Philip, Giles, Anthony, Morris, Steven and Valera Medina, Agustin 2017. Experimental analysis of confinement and swirl effects on premixed ch4-h-2 flame behavior in a pressurized generic swirl burner. Presented at: ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, North Carolina, USA, 26-30 June 2017. ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. ASME, 10.1115/GT2017-64794

Afzanizam Samiran, Nor, Samiran, Jo-Han, Nazri Mohd Jafar, Mohammad, Valera Medina, Agustin and Chong, Cheng Tung 2016. H2-rich syngas strategy to reduce NOx and CO emissions and improve stability limits under premixed swirl combustion mode. International Journal of Hydrogen Energy 41 (42) , pp. 19243-19255. 10.1016/j.ijhydene.2016.08.095

Xiao, Hua, Howard, Michael, Valera Medina, Agustin, Dooley, Stephen and Bowen, Philip John 2016. A study on reduced chemical mechanisms of ammonia/methane combustion under gas turbine conditions. Energy & Fuels 30 (10) , pp. 8701-8710. 10.1021/acs.energyfuels.6b01556

Valera Medina, Agustin and Baej, H. 2016. Hydrodynamics during the transient evolution of open jet flows from/to wall attached jets. Flow, Turbulence and Combustion 97 (3) , pp. 743-760. 10.1007/s10494-016-9718-5

Okon, Aniekan, Kurji, Hayder, Valera Medina, Agustin and Xue, Yiqin 2016. Heat release rate and pressure fluctuations of a lean premixed flame at different forcing levels. Presented at: The International Conference for Students on Applied Engineering, Newcastle upon Tyne, UK, 20-21 October 2016. Published in: Al-Shibaany, Z. Y. A. and Hameed, A. F. eds. 2016 International Conference for Students on Applied Engineering (ICSAE) Proceedings. Piscataway, NJ: IEEE, pp. 232-236. 10.1109/ICSAE.2016.7810194 Item availability restricted.

Al-Fahham, Mohamed, Bigot, Samuel and Valera Medina, Agustin 2016. A study of fluid flow characteristics using microstructured surfaces produced by WEDM. Presented at: 4M/IWMF2016 Conference, Lyngby, Denmark, 13-15 September 2016.

Aldoboon, Ali, Valera Medina, Agustin, Syred, Nicholas and Ng, Jo-Han 2016. CO2 -Argon-steam oxy-fuel (CARSOXY) combustion for CCS inert gas atmospheres in gas turbines. Presented at: PRES 2016, Prague, Czech Republic, 27-31 August 2016.

Fatla, Oula, Valera Medina, Agustin, Robinson, Fiona, Cichuta, Mark and Beynon, Nathan 2016. Rotating cylinders for enhanced heat transfer in annealing processes. Presented at: PRES 2016, Prague, Czech Republic, 27-31 August 2016.

Kurji, Hayder, Valera Medina, Agustin, Runyon, Jon, Giles, Anthony, Pugh, Daniel, Marsh, Richard, Cerone, N., Zimbardi, F. and Valerio, V. 2016. Combustion characteristics of biodiesel saturated with pyrolysis oil for power generation in gas turbines. Renewable Energy 99 , pp. 443-451. 10.1016/j.renene.2016.07.036

Kurji, Hayder, Okon, Aniekan, Valera Medina, Agustin and Tung Chong, Cheng 2016. Reduction of emissions by using various syngases with different injection strategies under premixed combustion mode. Presented at: The International Conference for Students on Applied Engineering, Newcastle upon Tyne, UK, 20-21 October 2016.

Valera Medina, Agustin and Vanierschot, Maarten 2016. Onset/annihilation of the precessing vortex core. Experimental study. Presented at: 11th European Fluid Mechanics Conference, Seville, Spain, 12-16 Sept 2016.

Smaisim, Ghassan, Fatla, Oula, Valera Medina, Agustin, Rageb, A. M. and Syred, Nicholas 2016. Experimental and theoretical investigation of the effect of rotating circular cylinder speed on the lift and drag forces. International Journal of Energy and Environment 7 (1) , pp. 23-36.

Smaisim, G. F., Fatla, Oula, Valera Medina, Agustin, Rageb, A. M. and Syred, Nicholas 2016. Investigation of heat transfer and fluid mechanics across a heated rotating circular cylinder in crossflow. Presented at: AIAA Science and Technology Forum and Exposition, 2016, San Diego, CA, USA, 4-8 January 2016.

Baej, Hesham, Valera Medina, Agustin, Syred, Nicholas, Marsh, Richard and Bowen, Philip John 2016. Combustion blowoff effects on the central recirculation zone using various syngas mixtures in a tangential swirl burner. Presented at: AIAA Science and Technology Forum, 2016, San Diego, CA, USA, 4-8 January 2016.

Buffi, Marco, Valera Medina, Agustin, Runyon, Jon, Pugh, Daniel, Giles, Anthony, Marsh, Richard and Chiaramonti, D. 2016. Evaluation of combustion behavior of renewable jet fuel in a combustor rig: influence of HEFA and its blends on flame stability and emissions compared to aviation kerosene. Presented at: 24th European Biomass Conference, Amsterdam, The Netherlands, 6-9 June 2016.

Kurji, Hayder, Okon, Aniekan, Valera Medina, Agustin and Cheng-Tung, C. 2016. Reduction of emissions by using various syngases with different injection strategies under premixed combustion mode. Presented at: ICSAE: International Conference for Students on Applied Engineering, 20-21 October 2016. Students on Applied Engineering (ICSAE), International Conference for. IEEE, p. 407. 10.1109/ICSAE.2016.7810226

Valera Medina, Agustin, Morris, Steven, Runyon, Jon, Pugh, Daniel G., Marsh, Richard, Beasley, P. and Hughes, Thomas 2015. Ammonia, methane and hydrogen for gas turbines. Energy Procedia 75 , pp. 118-123. 10.1016/j.egypro.2015.07.205

Hatem, Fares, Valera-Medina, Agustin, Syred, Nick, Marsh, Richard and Bowen, Phil 2015. Experimental investigation of the effects of fuel diffusive injectors on premixed swirling flames. Presented at: 53rd AIAA Aerospace Sciences Meeting, Kissimmee, Florida, USA, 5-9 January 2015. 53rd AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2015-2076). American Institute of Aeronautics and Astronautics, 10.2514/6.2015-2076

Baej, Hesham, Valera Medina, Agustin, Syred, Nicholas, Marsh, Richard and Bowen, Philip John 2015. CFD predictions of swirl burner aerodynamics with variable outlet configurations. Presented at: Global Conference on Energy and Sustainable Development (GCESD2015), Coventry University Technology Park, 24-26 February 2015. pp. 2307-2312.

Baej, Hesham, Valera Medina, Agustin, Syred, Nicholas, Marsh, Richard and Bowen, Philip John 2015. Blowoff propensity, CRZs and flow turbulent nature using various syngases for gas turbines. Presented at: The 3rd Sustainable Thermal Energy Management International Conference (SUSTEM 2015), Newcastle upon Tyne, UK, 7-8 July 2015. pp. 2307-2312.

Casbis, Luis Mixquitla, Garcia, Juan Carlos, Sierra, Fernando and Valera Medina, Agustin 2015. Analisis Numerico del Campo de Fluidos en Camara de Combustion para Aplicaciones en Microturbinas de Gas. Presented at: Encuentro Nacional AMIDIQ, Cancun, Mexico, 5-8th May 2015.

Hatem, Fares, Valera Medina, Agustin, Syred, Nicholas, Marsh, Richard and Bowen, Philip John 2015. Experimental investigation of the effects of central fuel injectors on premixed swirling flames. Presented at: 53rd Aerospace sciences Meeting, Orlando, FL, USA, 5-9 January 2015.

Runyon, Jon, Marsh, Richard, Valera Medina, Agustin, Giles, Anthony, Pugh, Daniel, Sevcenco, Yura Alexander and Bowen, Philip John 2015. Methane-oxygen flame stability in a generic premixed gas turbine swirl combustor at varying thermal power and pressure. Presented at: ASME Turbo Expo 2015: Turbine Technical Conference and Exposition, Montreal, Quebec, Canada, 15–19 June 2015. Conference Proceedings of ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. Combustion, Fuels and Emissions New York: ASME, 10.1115/GT2015-43588

Vigueras-Zuniga, Marco Osvaldo, Valera Medina, Agustin, Syred, Nicholas and De La Rosa Urbalejo, Daniel 2014. Flashback avoidance in swirling flow burners. Ingenieria, Investigacion y Tecnoloigia 15 (4) , pp. 603-614. 10.1016/S1405-7743(14)70658-4

Miranda Gonzalez, Alfredo and Valera Medina, Agustin 2014. Shale gas exploitation in Mexico: some technical challenges. Presented at: Latin American Congress of Turbomachinery, Queretaro, Mexico, 1-4 September 2014.

Syred, Nicholas, Giles, Anthony, Lewis, Jamie Peter, Abdulsada, Mohammed H., Valera Medina, Agustin, Marsh, Richard, Bowen, Philip John and Griffiths, Anthony John 2014. Effect of inlet and outlet configurations on blow-off and flashback with premixed combustion for methane and a high hydrogen content fuel in a generic swirl burner. Applied Energy 116 , pp. 288-296. 10.1016/j.apenergy.2013.11.071

Vigueras Zuniga, Marco Osvaldo, Valera Medina, Agustin, Syred, Nicholas and Bowen, Philip John 2014. High momentum flow region and central recirculation zone interaction in swirling flows. Ingnieria Mecanica Tecnologia y Desarollo 4 (6) , pp. 195-204.

Syred, Nicholas, Lewis, Jonathan, Valera Medina, Agustin and Bowen, Philip John 2014. Acoustic streaming effects in high intensity swirl burners. Presented at: 52nd AIAA Science and Tecnology Forum, National Harbour, MD, USA, 13-17 January 2014. 10.2514/6.2014-1387

Baej, Hesham, Valera Medina, Agustin, Bowen, Philip, Syred, Nicholas, O'Doherty, Timothy and Marsh, Richard 2014. Impacts on blowoff by a variety of CRZs using various gases for gas turbines. Presented at: ICAE 2014 (International Conference on Applied Energy), Taipei, Taiwan, 30-2 June 2014.

Lewis, Jonathan, Morris, Steven, Valera Medina, Agustin, Marsh, Richard, Bowen, Philip and Baej, Hesham 2014. The use of CO2 to improve stability and emissions of IGCC combustors. Presented at: ASME Turbo Expo 2014, Dusseldorf, Germany, 16-19 June 2014. Proceedings of the ASME Turbo Expo 2014: Turbine Technical Conference and Exposition.

Lewis, Jonathan, Valera Medina, Agustin, Marsh, Richard and Morris, Steven 2014. Augmenting the structures in a swirling flame via diffusive injection. Journal of Combustion 2014 , 280501. 10.1155/2014/280501

Baej, Hesham, Valera Medina, Agustin, Bowen, Philip, Syred, Nicholas, O'Doherty, Timothy and Marsh, Richard 2014. Impacts on blowoff by a Variety of CRZs using various gases for gas turbines. Energy Procedia 61 , pp. 1606-1609. 10.1016/j.egypro.2014.12.301

Valera Medina, Agustin, Syred, Nicholas, Bowen, Philip John and Marsh, Richard 2014. Shear flow and central recirculation zone interaction in reactive swirling flows. Presented at: 52nd Aerospace Sciences meeting, National harbor, Maryland, Maryland, USA, 13-17 January 2014.

Valera Medina, Agustin, Syred, Nicholas and Bowen, Philip John 2013. Central Recirculation Zone Visualization in Confined Swirl Combustors for Terrestrial Energy. Journal of Propulsion and Power (AIAA) 29 (1) , pp. 195-204. 10.2514/1.B34600

Syred, Nicholas, Giles, Anthony, Lewis, Jonathan, Valera Medina, Agustin, Bowen, Philip John and Griffiths, Anthony John 2013. Tangential Velocity Effects and Correlations for Blowoff and Flashback in a Generic Swirl Burner and the Effect of a Hydrogen Containing Fuel. Presented at: 51st AIAA Aerospace Science Meeting, Texas, USA, 7-10 January 2013. 10.2514/6.2013-736

Syred, Nicholas, Valera Medina, Agustin and Bowen, Philip John 2013. Improving swirl flow generation. Presented at: 51st AIAA Aerospace Science Meeting, Texas, USA, 7-10 January 2013. 10.2514/6.2013-596

Valera Medina, Agustin, Syred, Nicholas, Giles, Anthony, Bowen, Philip and Griffiths, Anthony John 2013. Influence of the central recirculation zone strength in the blow off mechanism using different fuels. Presented at: European Combustion Meeting (ECM2013), Lund, Sweden, 25-28 June 2013.

Syred, Nicholas, Giles, Anthony, Lewis, Jonathan, Abdulsada, Moahammed, Pugh, Daniel, Valera Medina, Agustin, Marsh, Richard, Bowen, Philip John and Griffiths, Anthony John 2013. Effect of inlet and outlet configurations on blow-off and flashback with premixed combustion for high hydrogen content fuels in a generic swirl burner. Presented at: ICAE 2013, Pretoria, South Africa, 12-15 November 2013.

Vigueras, O. M., Valera Medina, Agustin and Syred, Nicholas 2012. Combustion bank for studies of alternative energies for terrestrial power generation. Journal of Advances and Applications in Fluid Mechanics 12 (2) , pp. 81-99.

Vigueras-Zuniga, M. O., Valera Medina, Agustin and Syred, Nicholas 2012. Studies of the precessing vortex core in swirling flows. Journal of Applied Research and Technology 10 (5) , pp. 755-765.

Valera Medina, Agustin, Syred, Nicholas and Griffiths, Anthony John 2012. Análisis de impacto causado por estructuras coherentes en sistemas de combustión de flujo giratorio. Ingenieria, Investigacion y Tecnologia 13 (2) , pp. 199-213.

Valera Medina, Agustin, Martinez-VIdal, I. M., Jimenez-Alcazar, R. E., Valle-Melendez, G. E. and Aboites-Davila, F. 2012. Design and Operation of a Combustion Laboratory for Gas Turbine Analyses. Presented at: XIII Congres y Exposicion Latinoamericana de Turbomaquinaria, Queretaro, Mexico, 12-15 March 2012.

De La Rosa Urbalejo, Daniel, Crayford, Andrew Philip, Bowen, Philip John and Valera Medina, Agustin 2012. Influence of ambient conditions on laminar burning velocity, ignition and flame extinction for ethanol air mixtures. Presented at: ASME Turbo Expo 2012, Copenhagen, Denmark, June 2012. Proceedings of the ASME Turbo Expo 2012: Turbine Technical Conference and Exposition: Combustion, Fuels and Emissions, Parts A and B Copenhagen, Denmark, June 11–15, 2012. New York, N.Y.: ASME, pp. 273-283. 10.1115/GT2012-68399

Valera Medina, Agustin, Syred, Nicholas, Bowen, Philip John and Crayford, Andrew Philip 2011. Studies of swirl burner characteristics, flame lengths and relative pressure amplitudes. Journal of Fluids Engineering 133 (10) , 101302. 10.1115/1.4004908

Valera Medina, Agustin, Syred, Nicholas, Kay, Peter John and Griffiths, Anthony John 2011. Central Recirculation Zone Analysis in an Unconfined Tangential Swirl Burner with Varying Degrees of Premixing. Experiments in Fluids 50 (6) , pp. 1611-1623. 10.1007/s00348-010-1017-7

Valera Medina, Agustin, Syred, Nicholas and Abdulsada, Mohammed H. 2011. Análisis de reflujo de flama en combustores tangenciales de flujo giratorio. Ingenieria, Investigacion y Tecnologia 12 (4) , pp. 487-497.

Martinez-Torres, C., Valera Medina, Agustin and Aboites-Davila, F. 2011. Identificacion parametrica de un modelo acustico para implementacion en carams de combustion. Presented at: XII Congreso y Exposicion Latinoamericana de Turbomaquinaria, Queretaro, Mexico, 21-25 February 2011.

Valera Medina, Agustin, Aboites-Davila, Fernando and Vigueras-Zuniga, Marco O. 2011. Implementacion de biocombustibles e inyeccion de agua en camaras de combustion. Presented at: XVII SOMIM (Sociedad Mexicana de Ingenieria Mecanica), San Luis Potosi, Mexico, 21-23 September 2011.

Vigueras-Zuniga, Marco-Osvaldo, Valera Medina, Agustin, Vidal-Santo, Adrian and Fernandez-Rodriguez, Estela 2011. Causas y consecuencias de acumulacion de particulas en compresores de turbinas de gas. Presented at: IX CIINDET (Congreso Internacional sobre Innovación y Desarrollo Tecnológico), Cuernavaca, Mexico, 23-25 November 2011.

Valera Medina, Agustin, Abdulsada, Mohammed H., Syred, Nicholas and Griffiths, Anthony John 2010. Studies of large coherent structures and their effects on swirl combustion. Presented at: 48th AIAA Aerospace Sciences Meeting, Orlando, FL, 4-7 January 2010. 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition. AIAA , vol. 2. American Institute of Aeronautics and Astronautics,

Valera Medina, Agustin, Aboites-Dávila, Fernando, Jauregui-Correa, J. C, Syred, Nicholas and Griffiths, Anthony John 2010. Flashback Analysis in Swirlers using different geometries [Analisis del reflujo de flama en arremolinadores usando dIferentes geometrias]. Presented at: SOMIM XIV, Nuevo Leon, Mexico, 22-24 September 2010. Memorias del XVI Congreso Internacional Anual de la SOMIM. Sociedad Mexicana de Ingenieria Mecanica,

Jimenez-Alcazar, Rony, Quijada-Escamilla, Farid, Valera Medina, Agustin, Aboites-Davila, Fernando, Rico-Espino, Jose Guadalupe, Rosello-Perez, Manuel and Feregrino-Vega, Patricia 2010. Cause analysis of the Fire caught in the Thermal Isolation Zone of a Steam Turbine, Case Study [Analisis de causas del incendio en la zona de aislamiento termico de una turbina de vapor, caso de estudi]. Presented at: SOMIM XVI, Nuevo Leon, Mexico, 22-24 September 2010. Memorias del XVI Congreso Internacional Anual de la SOMIM. Sociedad Mexicana de Ingenieria Mecanica,

Valera Medina, Agustin, Syred, Nicholas and Griffiths, Anthony John 2009. Visualisation of isothermal large coherent structures in a swirl burner. Combustion and Flame 156 (9) , pp. 1723-1734. 10.1016/j.combustflame.2009.06.014

Valera Medina, Agustin, Syred, Nicholas and Griffiths, Anthony John 2009. Characterization of large coherent structures in a swirl burner under combustion conditions. Presented at: 47th Aerospace Sciences Meeting, Orlando, FL, 5-8 January 2009. 47th AIAA Aerospace Sciences Meeting including The New Horizons Forum and Aerospace Exposition. AIAA , vol. 2. American Institute of Aeronautics and Astronautics,

Valera Medina, Agustin 2009. Coherent structures and their effects on processes occurring in swirl combustors. PhD Thesis, Cardiff University.

Valera Medina, Agustin, Abdulsada, Mohammed H., Griffiths, Anthony John and Syred, Nicholas 2009. Flashback avoidance analysis using geometrical constrictions in a tangential swirl burner. Presented at: British-French Flame Days 2009, Lille, France, 9-10 March 2009.

Valera Medina, Agustin, Abdulsada, Mohammed H., Shelil, Nasser, Syred, Nicholas and Griffiths, Anthony John 2009. Flashback analysis in swirl burners using passive nozzle constrictions and different fuels. Presented at: 16th International IFRF Members' Conference, Boston, MA, USA, 8-10 June 2009.

Valera Medina, Agustin, Syred, Nicholas and Griffiths, Anthony John 2008. Large coherent structures visualization in a swirl burner. Presented at: 14th International Symposium on Applications of Laser Technology to Fluid Mechanics, Lisbon, Portugal, 7-10 July 2008. 14th International Symposium on Applications of Laser Techniques to Fluid Mechanics. , vol. 09/02/.

Valera Medina, Agustin, Syred, Nicholas and Griffiths, Anthony John 2008. Characterisation of large coherent structures in a swirl burner. Presented at: 46th AIAA Aerospace Sciences Meeting, Reno, NV, 7-10 January 2008. 46th AIAA Aerospace Sciences Meeting and Exhibit. AIAA , vol. 2. American Institute of Aeronautics and Astronautics,

Valera Medina, Agustin, Syred, Nicholas and Griffiths, Anthony John 2008. Recognition of large coherent structures in a tangential swirl burner. Presented at: 3rd International Conference on Heat and Mass Transfer and Hydrodynamics in Swirling Flows, Moscow, Russia, 21-23 October 2008.