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Optimisation of supply temperature and mass flow rate for a district heating network

Pirouti, Marouf, Bagdanavicius, Audrius, Wu, Jianzhong and Ekanayake, Janaka 2012. Optimisation of supply temperature and mass flow rate for a district heating network. Presented at: ECOS 2012 - International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, Perugia, Italy, 26-29 June 2012. Proceedings of ECOS 2012 - The 25th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. ECOS, 104(1) -104(12).

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Abstract

Heat losses and pump electrical energy consumption are inevitable during the operation of a district heating (DH) network. Therefore, the appropriate design and operating strategy of a DH network is required in order to reduce the heat losses and pump energy consumption. This study is aimed at optimising the supply water temperature and mass flow rate in a DH network, according to the heating load variations. For this purpose, two different design cases of a DH pipe network were considered. An optimisation model was developed using FICO TM Xpress optimisation tool. Hydraulic and thermal calculations of the model were validated with the commercial software PSS SINCAL. The DH networks were optimised with respect to the annual energy (heat losses and pump energy consumption), and associated costs. The optimum supply temperature and mass (volume) flow rate were obtained for each case. Consequently, optimum heat losses and pump power were calculated.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Uncontrolled Keywords: District heating network, Modelling, Design, Optimisation, Supply temperature
Publisher: ECOS
Last Modified: 14 Jan 2018 20:34
URI: http://orca.cf.ac.uk/id/eprint/44488

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