KeywordsAir source heat pumpCoefficient of performanceSeasonal performance factorField trialStatistical and machine learning modelsRenewable heatAir Source Heat Pumps (ASHPs) are part of the solution to decarbonise the residential heating sector. The coefficient of performance (COP) is a measure of the...
G208 IN-SITU PERFORMANCE TEST AND SIMULATION OF AN AIR SOURCE HEAT PUMP(Vapor compression refrigeration system) For small capacity air source heat pumps, laboratory scale experiments for measuring performance can be carried out with well controlled indoor and outdoor... Baik,Young,Jin,... - 《...
Major disadvantages of air-source heat pumps are the decrease of heat output and coefficient of performance (COP), and increase in discharge temperature, towards low outdoor temperatures. In this paper an air-source two-stage heat pump using R410A as the refrigerant was simulated, designed, ...
Experimental and theoretical investigation on the energetic and economic performance of low-temperature cascade air-source heat pump considering the effect... Experimental and theoretical investigation on the energetic and economic performance of low-temperature cascade air-source heat pump considering the ...
In situ performance of independent humidity control air-conditioning system driven by heat pumps A liquid desiccant based independent humidity control (IHC) air-conditioning system driven by heat pumps is presented in this paper. The system consists of... W Zhu,Z Li,S Liu,... - 《Energy & ...
Air-source heat pump (ASHP) uses the air as the heat source, and transfers the low heat energy in the air into high heat energy by circulation system. Compared with the ground-source heat pump system, it is safer and more reliable, and the later maintenance is more convenient, leading ...
In-situ air sparging (IAS) is used for the clean-up of soil and groundwater that are contaminated with volatile organic compounds in relatively permeable s
Numerous researchers have optimized the performance of the ACS in terms of the selection of natural cold sources, the application of heat recovery systems and the utilization of high efficiency terminals. 1.1. Application of Natural Cold Sources Natural cold source cooling technologies, such as direct...
Introduction of a bypass and switching between the EAHE and ambient air as the source of ventilation for the building resulted in annual energy savings of 123 kWh. Keywords: earth-to-air heat exchanger; EAHE; EAHX; outlet air temperature; ground temperature; EN 16798-5; EN ISO 13790; 5...
is used in some heat pump systems to control system performance and economy by sending some air around rather than through the cooling or evaporator coil. Bypass air may be controlled by mechanically operated louvers, dampers, or other means. ...