Results 21 to 30 of about 284,728 (216)
Experimental investigation of an Air Source Heat Pump [PDF]
An experimental investigation were driven to catch all working parameters of an Air Source Heat Pump such as temperature differences between refrigerant working states and evaporator respectively condenser environment temperatures. Heat Pump compressor were monitored to know inlet and outlet refrigerant temperatures to build working diagram of the heat
Tălpigă Mugurel Florin +2 more
openaire +2 more sources
Simulation, implementation and monitoring of heat pump load shifting using a predictive controller [PDF]
A predictive load shifting controller has been developed and deployed in a low-carbon house near Glasgow, UK. The house features an under floor heating system, fed by an air-source heat pump. Based on forecast air temperatures and solar radiation levels,
Allison, John +5 more
core +1 more source
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
doaj +1 more source
Performance Simulation of Air-ground Hybrid Source Heat Pump Systems in Northern China
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
Scheme design and economic analysis of an office building’s cold and heat source system in hot-summer and cold-winter zone [PDF]
In the context of green development and sustainable development, in response to the national policy of “carbon neutrality and peak carbon dioxide emissions”, we will fully implement clean energy heating and reduce air pollution.
Jiang Xiangting +5 more
doaj +1 more source
Research on Defrosting System of Air-source Heat Pump with Liquid Storage Gas-liquid Separator
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
doaj
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
doaj +1 more source
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
doaj +1 more source
Performance Model of General Air Source Heat Pump in a Single Frost/Defrost Cycle
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
doaj +2 more sources
Experimental Study on the Performance of a Household Dual-Source Heat Pump Water Heater
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
doaj +1 more source

