Refrigerator And Heat Pump Pdf Download
All temperatures are absolute temperatures usually measured in kelvins or degrees Rankine. Wikimedia Commons has media related to Heat pumps. The two main types of heat pumps are compression and absorption. The water may be heated at a remote location by boilers, solar energy, or other means. The low pressure liquid refrigerant then enters another heat exchanger, the evaporator, in which the fluid absorbs heat and boils. Well maintained ground-source heat pumps typically have COPs of 4.0 at the beginning of the heating season, with lower seasonal COPs of around 3.0 as heat is drawn from the ground.
Steen, Table 3.1, Table 3.3. A larger EER number indicates better performance. This article needs additional citations for verification. Actual performance varies, however, and depends on many factors such as installation details, temperature differences, site elevation, and maintenance. To operate in different temperature conditions, different refrigerants are available. Main article: Ground-source heat pump. Water source heat pumps (WSHP). When compared, groundwater heat pumps are generally more efficient than heat pumps using heat from the soil.
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