40 Terms
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Geothermal
Geothermal gradient is the rate of increasing temperature with respect to increasing depth in the Earth's interior. Away from tectonic plate boundaries, it is 22.1°C per km of depth (1°F per 70 feet of depth) in most of the world. Strictly speaking, geo-thermal necessarily refers to the Earth but the concept may be applied to other planets.
Industry: Energy
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Geothermal
coefficient of performance
Energy; Geothermal
Also known by its acronym COP, this ratio describes the heat that is transferred via heat pump compared with the total amount of energy necessary to run the system. Higher COPs express the system is ...
energy efficiency ratio
Energy; Geothermal
Also expressed at an acronym EER, this ratio describes the cooling down phenomenon that occurs using heat pumps and compares it to the total amount of energy needed to run the system. Higher EERs ...
desuperheater
Energy; Geothermal
Heat exchanger and pump system that obtains a small amount of heat from discharge gas of compressor and transfers it to use in heating a (domestic) water tank.
cycling losses
Energy; Geothermal
When measuring the efficiency of a heating and cooling system, cycling losses take into account the start-up and shut-down costs, thereby reducing efficiency.
district heating
Energy; Geothermal
System of pipelines designed and organized to distribute centrally produced heat throughout a residential or commercial community for space and/or water heating or production purposes.
combined cycle system
Energy; Geothermal
Combined cycle geothermal power plant is when plant produces both hot liquid and steam, in which case, the two are kept separate and the steam is directly transferred to turbine to generate power and ...
known geothermal resource area
Energy; Geothermal
Also known as KGRA, describes the areas and regions the U.S. Geological Survey recognizes as containing or having high potential to contain geothermal activity or resources.
