来自MSN24 天
Do heat pumps work in winter? Here’s what you need to know about the low-carbon technology
Air, water and ground heat pumps work by taking energy from these sources and turning it into heat or cold air. They do this ...
Nanowerk3 年
Flash-gas (refrigeration)
The presence of flash-gas in the liquid lines reduces the efficiency of the refrigeration cycle. It can also lead several expansion systems to work improperly, and increase superheating at the ...
Scientific American8 天
The Stirling Refrigeration Cycle
The cycle has now been "reversed" in an efficient machine for cooling things to very low temperatures In 1816 Robert Stirling invented an engine that operated by heating and cooling air in a ...
Engineering360 News2 年
Refrigeration Compressors and Air Conditioning Compressors Information
This compression creates a high temperature, high pressure gas - an essential step in the overarching refrigeration cycle. The refrigeration cycle or heat pump cycle is the model describing the ...
Euronews24 天
Do heat pumps work in winter? Here’s what you need to know about the low-carbon technology
They do this within the ‘refrigerant cycle’ - with its four phases of evaporation, compression, condensation and expansion, the European Heat Pump Association (EPHA) explains. Essentially ...
Heating and Ventilating13 天
CIBSE approved CPD from Ideal Heating Commercial explains heat pump refrigerant types
Ideal Heating Commercial has released a new CIBSE approved CPD: Understanding refrigerants & how they affect the choice of ...