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en.wikipedia.org/wiki/Heat

Heat is the amount of energy that flows spontaneously from a warmer object to a cooler one. ... Historically, many energy units for measurement of heat have been used. ..... place at constant pressure, or approximately at atmospheric pressure, the enthalpy is therefore sometimes given the misleading name of 'heat content'.

www.aps.org/policy/reports/popa-reports/energy/units.cfm

Historically the calorie was defined in terms of the heating of water. Thus, in a traditional definition, one calorie is the amount of heat required to raise the ...

www.quora.com/What-is-the-SI-unit-of-heat

In CGS system, heat is measured in calories. Calorie is defined as 'the heat energy required to increase the temperature of 1 gm of water through one degree  ...

physics.nist.gov/cuu/Units/units.html

Table 1. SI base units ... Table 3. SI derived units with special names and symbols ... m-1·kg·s-2. energy, work, quantity of heat, joule, J, N·m, m2·kg·s-2. power ...

www.engineeringtoolbox.com/heat-units-d_664.html

The most common units of heat are BTU - British Thermal Unit, Calorie and Joule. ... the amount of heat required to raise the temperature of one pound of water ...

www.britannica.com/science/calorie

calorie: A unit of energy or heat variously defined. The calorie was originally defined as the amount of heat required at a pressure of 1 standard atmosphere to  ...

medical-dictionary.thefreedictionary.com/heat+unit

Looking for online definition of heat unit in the Medical Dictionary? heat unit explanation ... location and serving a defined function; see under names of specific units. ... heat unit the amount of heat energy that is produced by one kVp (kilovolt ...

www.brighthubengineering.com/power-plants/4962-what-are-the-units-of-measurement-of-energy-and-power

Aug 20, 2008 ... The units of measurement of heat are same as the units of ... 3) British thermal unit: Btu: One Btu is the amount of energy needed to raise the ...

home.uni-leipzig.de/energy/ef/03.htm

The international unit of energy bears his name: 1 ... of 1 kg of coal produces the same amount of heat as electrical heating for one hour at a rate of 8.141 kW.