Results 21 to 30 of about 287,653 (309)
The performance of an ASHP system using waste air to recover heat energy in a subway system [PDF]
, 2019 In this short communication, we demonstrate that the performance of a typical air source heat pump (ASHP), exploiting a relatively stable air temperature within a subway environment, is high, even during the peak heating months.
Aaen, Bjorn +3 more
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Performance Simulation of Air-ground Hybrid Source Heat Pump Systems in Northern China
Zhileng xuebao, 2021 The air-ground hybrid source heat pump system can realize indirect air source heat pump mode and heat compensation mode through an air-water heat exchanger, which could compensate for the difference between heat extraction and heat injection to the soil.
Wang Wentao, Li Xianting, Hu Pingfang
doaj
Frontiers in Energy Research, 2021 The external ventilation conditions have a great influence on the heating performance of the air source heat pump (ASHP) systems. The outdoor units of residential household air source heat pumps are often installed in narrow spaces such as balconies. The
Hang Zou, Zhanqiang Liu, Enshen Long
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Research on Defrosting System of Air-source Heat Pump with Liquid Storage Gas-liquid Separator
Zhileng xuebao, 2022 The surface of an outdoor evaporator can easily frost when an air-source heat pump is used for heating during winter. The most common defrosting method, reverse cycle defrosting, has safety risk and long defrosting period.
Ma Longxia +4 more
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Energies, 2022 Finland has approximately 150,000 oil-heated private homes. In 2020, the Finnish government launched subsidies for private homeowner energy renovations.
Paula Sankelo +3 more
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Performance Model of General Air Source Heat Pump in a Single Frost/Defrost Cycle
Zhileng xuebao, 2015 Conventional air source heat pump and no-frost air source heat pump can be categorized as general air source heat pump. The physical characteristics and energy consumption of general air source heat pump system in a frost/defrost cycle is analyzed based ...
Li Ning +3 more
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Experimental Study on the Performance of a Household Dual-Source Heat Pump Water Heater
Energies, 2018 A household dual source heat pump water heater is proposed to utilize the energy of wastewater and air heat in a bathroom. The heat pump system integrates a wastewater source heat pump (WSHP), air source heat pump (ASHP), and a preheater.
Xiang Gou +5 more
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Buildings, 2023 Heat pump technology can extract low-level heat energy from urban sewage to heat or cool buildings, which can alleviate the two major problems of energy shortage and environmental pollution to a certain extent.
Zhaoyi Zhuang +5 more
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Analysis of retrofit air source heat pump performance : results from detailed simulations and comparison to field trial data [PDF]
, 2011 In the UK, gas boilers are the predominant energy source for heating in housing, due primarily to the ready availability of natural gas. The take-up of heat pumps has lagged far behind Europe and North America.
Cockroft, J., Kelly, N.J.
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New Method of Heat Compensation for Defrosting of Air Source Heat Pump System in Winter
Zhileng xuebao, 2006 Frost removing of air-source heat pump results in shortage of heat output,chilly air flow,and less comfortable interior environment in winter.In our study,a new method to solve the problem of frost-removing in air-source heat pump units was proposed ...
陈超, 欧阳军, 王秀丽, 刘铭
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