Applied SciencesThis paper proposes, for the first time, the research concept of comparing energy and economy between transcritical cycle high-temperature heat pumps and subcritical cycle high-temperature heat pumps with new refrigerants. Experiments and simulations are
Dahan Sun, Jiang Qin, Zhongyan Liu
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Determination of coefficient of performance of mechanical vapour recompression heat pump [PDF]
E3S Web of Conferences, 2019 Mechanical vapour recompression heat pump systems are widely used in the industry -in evaporator and distillation installations, in seawater desalination and industrial wastewater treatment plants.
Valchev Slav +2 more
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Performance assessment of a novel auto-cascade heat pump using low-GWP refrigerant for obtaining high-temperature water [PDF]
International Journal of Fluid EngineeringWith the aim of developing a high-temperature heat pump with a large temperature lift, a novel auto-cascade heat pump using low global warming potential (GWP) refrigerant is proposed. Owing to the large exergy destruction between the refrigerant and heat
Gang Yan, Yuqing Yang, Yinlong Li
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Feasibility Analysis of Industrial High-Temperature Heat Pumps in Greece
Applied SciencesThe high-temperature heat pump is a favorable technology for aiding the decarbonization of the industrial sector through its electrification. It can produce useful heat up to the range of 100 °C to 200 °C; however, additional steps are needed to develop ...
Evangelos Bellos +3 more
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Domestic Hot Water Production with Ground Source Heat Pump in Apartment Buildings
Energies, 2015 Producing domestic hot water (DHW) with a ground source heat pump (GSHP) is challenging due to the high temperature (HT) of DHW. There are many studies proving the better performance of cascade heat pumps compared to single-stage heat pumps when the ...
Jukka Yrjölä, Eetu Laaksonen
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A Hybrid Compression-Absorption High Temperature Heat Pump Cycles for Industrial Waste Heat Recovery
Shanghai Jiaotong Daxue xuebao, 2021 Aimed at the problem that the conventional absorption heat pumps and compression heat pumps cannot take into account the temperature rise and efficiency, this paper proposes the use of a thermally-coupled hybrid compression-absorption heat pump to ...
AN Meiyan, ZHAO Xinrui, XU Zhenyuan, WANG Ruzhu
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High-temperature industrial heat pump. Management plan [PDF]
, 1979 The management plan for the development and demonstration of a high-temperature industrial heat pump for milk drying is presented. Section 2 describes the overall objective, technical approach, and program scope for development and demonstration of a heat pump system for use in an existing milk drying operation.
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Research on the characteristics of dual-temperature heat pump based on refrigerant leakage [PDF]
Journal of Hebei University of Science and TechnologyIn order to meet the demand for dual-temperature heating in production and life, a dual-temperature heat pump system based on refrigerant leakage was proposed. By establishing and verifying the mathematical model and system model of the scroll compressor
Diankang WU +3 more
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Multicriteria Analysis of a Solar-Assisted Space Heating Unit with a High-Temperature Heat Pump for the Greek Climate Conditions [PDF]
, 2023 Evangelos Bellos +6 more
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Results in EngineeringThis paper presents a model for finding the optimal intermediate temperature to achieve the highest coefficient of performance of the standard two-stage cascade heat pump with non-azeotropic refrigerants for simultaneous heating and cooling.
Sokleng Srou +3 more
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