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An optimisation design framework for residential buildings integrating air-source heat pump multi-supply system, active thermal storage, and onsite renewable energy

Zhang, Kenan, Jones, Phillip and Stevenson, Vicki 2018. An optimisation design framework for residential buildings integrating air-source heat pump multi-supply system, active thermal storage, and onsite renewable energy. Presented at: Second International Conference for Sustainable Design of the Built Environment: Research in Practice, The Crystal, London, 12-13 September 2018. Published in: Elsharkawy, Heba, Zahiri, Sahar and Clough, Jack eds. International Conference for Sustainable Design of the Built Environment SDBE 2018: Proceedings. pp. 729-740.

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Abstract

Domestic heating, cooling and hot water take a large proportion of total energy consumption in residential buildings, and contribute significantly to the greenhouse gas emissions, because the energy used is mainly from fossil fuels. Electrification of these three systems combined through an air-source heat pump (ASHP), and then decarbonisation the electricity by building integrated renewable power generation, will help to significantly reduce carbon dioxide emissions. Moreover, using building envelopes as active thermal storage by embedding the water loops of ASHP air-to-water system, can make the capital cost of the holistic system very competitive in comparison with conventional systems. Furthermore, such system can shift domestic energy consumption from peak usage period to local renewable generation’s peak output period, whilst still providing the needed comfort in time. Thus, the grid is less interrupted, and the occupants can have better financial benefits without compromising comfort needs. Such integrated and holistic system has large potential to play an important role in carbon reductions in the future housing sector. However, designing such system can be complicated and needs new approach to coordinate the stakeholders’ works. This paper uses a case study to present an optimised design framework for demand, storage and renewable generation integration through such ‘ASHP multi-supply system+ thermally activated building + onsite renewable generation’ strategy, which helps future practice to design such systems properly and cost effectively. And the discussions in this paper about design issues will enable future improvements of component design and system efficiency.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Architecture
Subjects: T Technology > TH Building construction
ISBN: 9781999797195
Date of First Compliant Deposit: 19 September 2018
Last Modified: 30 May 2019 21:18
URI: http://orca.cf.ac.uk/id/eprint/115096

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