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Energies, 2020 Various efforts have been made worldwide to reduce energy use for heating, ventilation, and air-conditioning (HVAC) systems and lower carbon dioxide (CO2) emissions. Research and development are essential to ensuring the efficient use of renewable energy
Hongkyo Kim +3 more
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Optimisation of Air Source Heat Pumps in Residential Retrofits [PDF]
Journal of Sustainable Design and Applied Research in Innovative Engineering of the Built Environment, 2020 Correctly applied air source heat pumps (ASHPs) are a proven technology that can reliably and effectively replace fossil fuel heating systems and achieve targeted heating-related CO2 reductions. However, poor-quality system design, installation or commissioning can lead to higher than expected running costs and poorly-performing heating systems, thus ...
Hoyne, Seamus +2 more
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Seasonal performance assessment of a Dual Source Heat Pump system for heating, cooling and domestic hot water production [PDF]
, 2018 In order to contribute to a global CO2 emissions reduction in 2020, the increase in the use of highly efficient heat pumps for heating, cooling and domestic hot water production in buildings is very recommendable.
Corberán, José M. +9 more
core +1 more source
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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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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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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Advances in Mechanical Engineering, 2016 An instantaneous-heating air source heat pump water heater with a temperature stratified water tank was put forward. The instantaneous-heating air source heat pump water heater was designed to produce hot water instantly by three modes, namely condenser ...
Mingjing Lei +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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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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Energies, 2022 In the remote areas of northern China without central heating and gas supply, for users intending to replace coal-boilers, the air-source heat pump system is always questionable due to the contradiction between its heating capacity and user’s heating ...
Wenhe Zhou +3 more
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