#6436. Optimization on integrated inverter-compressor CO2 heat pump with new operating model

December 2026publication date
Proposal available till 24-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Industrial and Manufacturing Engineering;
Energy Engineering and Power Technology;
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Abstract:
Transcritical CO2 air-source heat pump has been widely applied for its high efficiency in producing domestic hot water. However, it preforms poorly for space heating specially in cold region, because of the high return water temperature and single-phase heat transfer in gas cooler. To resolve this issue, a modified integrated CO2 heat pump system is proposed, which can operate in heating-water combined mode and space heating mode with radiator followed by fan-coil unit in space heating circuit. To improve its thermal comfort and reduce economic cost simultaneously, multi-objective optimization for maximizing space-heating energy and minimizing total annual cost is conducted, based on a new optimizing model, considering two modes simultaneously as a whole and employing new concept of artificial neural network group.
Keywords:
ANN group; CO2 heat pump; Hot water; Multi-objective optimization; Space heating

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