Dynamic modeling and control of a plate heat exchanger

Bastida, Hector, Ugalde Loo, Carlos E. ORCID: https://orcid.org/0000-0001-6361-4454, Abeysekera, Muditha ORCID: https://orcid.org/0000-0002-1743-3254 and Qadrdan, Meysam ORCID: https://orcid.org/0000-0001-6167-2933 2017. Dynamic modeling and control of a plate heat exchanger. Presented at: 2017 IEEE Conference on Energy Internet and Energy System Integration (EI2), Beijing, China, 26-28 November 2017. 2017 IEEE Conference on Energy Internet and Energy System Integration (EI2). IEEE, 10.1109/EI2.2017.8245736

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Abstract

Heat exchangers have a predominant role in heat transfer and constitute a key component of integrated energy systems. For instance, heating and cooling of fluids are the cornerstone of district heating systems. Thus, it is fundamental to understand the heat exchanger's dynamic behavior to design controllers which are robust to temperature variations. Following this line, this paper presents a dynamic model of a plate type heat exchanger. The model is obtained from first principles of energy transfer and fluid mechanics and describes the thermal behavior of fluids involved in the heat transfer process. Although the system is non-linear, system linearization is performed to obtain a frequency domain model suitable for control system design. The linear model is implemented in MATLAB to design a controller that regulates the cold stream outlet temperature. To assess its effectiveness, the controller is discretized, programmed in Python and implemented in Apros - an advanced process commercial simulation software. Simulation results show that the controller is capable of tracking reference temperatures while ensuring a good performance of the heat exchanger system.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	IEEE
ISBN:	978-1-5386-1427-3
Funders:	WEFO ERDF, CONACyT-SENER
Last Modified:	20 Feb 2024 17:14
URI:	https://orca.cardiff.ac.uk/id/eprint/109148

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