Combined ORC-HP thermodynamic cycles for DC cooling and waste heat recovery for central heating

Al-Tameemi, M. R. J., Liang, Y. and Yu, Z. (2019) Combined ORC-HP thermodynamic cycles for DC cooling and waste heat recovery for central heating. Energy Procedia, 158, pp. 2046-2051. (doi: 10.1016/j.egypro.2019.01.471)

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Data center is an essential part of modern life that is predicted to increase both in capacity and size over the coming years. This sector consumes a significant proportion of electricity for its operation and for the essential cooling facilities. This consumption is expected to rise with increasing demands which can result in more CO2 emission. Waste heat is an inevitable by-product of DC operation with a potential of being sustainable, low cost and environmentally friendly heat source. In this paper, we proposed a novel system that integrates three thermodynamic cycles including an ORC, a HP and a Gas burner. The aim of this system is to provide cooling for the DC as well as to utilize the rejected heat to supply hot water for central heating. The results show that this system can maintain the indoor room temperature between 18-25 oC by absorbing 12 kW of heat to increase water temperature from 50 to 80 oC. In addition, the system can achieve an overall fuel-to-heat efficiency of 141.8%. Therefore, utilizing such system can have a great potential of improving DC performance as well as providing usable energy by waste heat recovery.

Item Type:Articles
Additional Information:This research is funded by EPSRC (Ref: EP/N005228/1 and EP/N020472/1) and Royal Society (Ref: IE150866) in the UK. The author Mohammed Ridha Jawad Al-Tameemi acknowledges the support from his sponsor (University of Diyala / Iraqi Ministry of Higher Education and Scientific Research - sponsorship no. 1214).
Glasgow Author(s) Enlighten ID:Al-Tameemi, Mohammed and Liang, Dr Youcai and Yu, Professor Zhibin
Authors: Al-Tameemi, M. R. J., Liang, Y., and Yu, Z.
College/School:College of Science and Engineering
College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Energy Procedia
ISSN (Online):1876-6102
Published Online:15 March 2019
Copyright Holders:Copyright © 2019 The Authors
First Published:First published in Energy Procedia 158:2046-2051
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
171763Dynamic Organic Rankine Cycle for Recovering Industrial Waste HeatZhibin YuEngineering and Physical Sciences Research Council (EPSRC)EP/N005228/1ENG - Systems Power & Energy
172394Thermally Driven Heat Pump Based on an Integrated Thermodynamic Cycle for Low Carbon Domestic Heating (Therma-Pump)Zhibin YuEngineering and Physical Sciences Research Council (EPSRC)EP/N020472/1ENG - Systems Power & Energy