Dynamic modelling and control of district heating and cooling systems

Bastida Hernandez, Jose 2021. Dynamic modelling and control of district heating and cooling systems. PhD Thesis, Cardiff University. Item availability restricted.

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Abstract

District heating and cooling systems (DHCSs) provide thermal energy to a wide range of users. The efficient performance of DHCSs is critical for the reliability of the generation, supply and consumption of energy processes. Moreover, improvement of the energy management within DHCSs helps to tackle the greenhouse gas emission issue. Therefore, accurate models to analyse the thermal and hydraulic behaviours presented in a DHCS become essential to enhance the energy efficiency of heating and cooling processes. A substantial number of studies rely on steady-state models, in which the transient responses and their influence on the whole system are often ignored. The results and conclusions derived from these studies are based on assumptions that neglect critical dynamics under changes of operating conditions. Moreover, some studies only consider the energy dispatch ignoring how energy is transported, transferred and consumed. Thus, the fundamental variables that describe the behaviour of DHCS have not been considered in detail.

Item Type:	Thesis (PhD)
Date Type:	Completion
Status:	Unpublished
Schools:	Engineering
Uncontrolled Keywords:	District heating dynamic model, Heat exchanger dynamic models, Latent heat-based thermal energy storage, Building thermal model, Pipe network dynamic hydraulic model 6).One-dimensional dynamic modelling
Date of First Compliant Deposit:	1 November 2021
Last Modified:	29 Oct 2022 01:30
URI:	https://orca.cardiff.ac.uk/id/eprint/145024

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