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Heat

LC Physics

TermDefinition
Temperature Measure of how hot or how cold something is.
Temperature in degrees celsius = Temperature in Kelvins - 273.15
Thermometric property Any physical property that changes measurably with temperature.
Thermometric property of a thermocouple EMF changes measurably with temperature.
Heat Capacity The heat energy needed to change the temperature of an object by 1 Kelvin.
Specific Heat Capacity The heat energy needed to change the temperature of 1 kg of a substance by 1 Kelvin.
Specific Latent Heat The heat energy needed to change the state of 1 kg of a substance without a change in temperature.
Specific Latent Heat of Fusion The heat energy needed to change 1 kg of a substance from a solid to a liquid without a change in temperature.
Specific Latent Heat of Vaporisation The heat energy needed to change 1 kg of a substance from a liquid to a gas without a change in temperature.
Conduction The transfer of heat energy through a substance by molecular vibrations without any overall motion of the substance.
Convection The transfer of heat energy through a fluid by means of circulating currents.
Radiation The transfer of heat energy in the form of electromagnetic waves.
U-Value The amount of heat energy conducted per second through 1 metre squared of that structure when a temperature difference of 1 Kelvin is maintained between its ends.
Solar Constant (Solar Irradiance) The average amount of the Sun's energy falling per second perpendicularly on 1 metre squared of the Earth's atmosphere. It's value is 1.35 kW/m^2.
Latent Heat The heat energy needed to change the state of a substance without a change in temperature.
Heat Measure of energy
Created by: mduffy13
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