Review of Waste Heat Utilisation from Data Centres

ASTHANA, Abhishek, SETHURAMALINGAM, Ramamoorthi and WESTON, Peter (2019). Review of Waste Heat Utilisation from Data Centres. In: AL-HABIBEH, Amin, ASTHANA, Abhishek and VUKOVIC, Vladimir, (eds.) The International Conference on Energy and Sustainable Futures (ICESF). Nottingham Trent University Publications.

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Abstract

Rapidly increasing global internet traffic, mobile internet users and the number of Internet of Things (IoT) connections are driving exponential growth in demand for data centre and network services, which in turn is driving their electricity demand. Data centres now account for 3% of global electricity consumption and contribute to 4% of the global greenhouse gas emissions. This study discusses the potential of reusing the waste heat from data centres. An overview of imbedding heat recovery systems into data centres is presented. The implications of economic cost and energy efficient heat recovery systems in data centre buildings are also discussed. The main problems with implementing heat recovery systems in existing data centre designs are (i) high capital costs of investment and (ii) low temperatures of the waste heat. This study suggests alternatives that could allow data centre operators to utilise waste heat with more efficiencies. It also discusses how liquid-cooled data centres can be more efficient in utilising their waste heat than the air-cooled ones. One possible solution suggested here is that data centre operators can decrease their environmental impact by exporting waste heat to the external heat networks. The barriers in connecting datacentres to heat networks are discussed and suggestions to overcome those barriers have been provided.

Item Type:	Book Section
SWORD Depositor:	Symplectic Elements
Depositing User:	Symplectic Elements
Date Deposited:	01 Apr 2020 14:10
Last Modified:	17 Mar 2021 23:48
URI:	https://shura.shu.ac.uk/id/eprint/26023

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