Entry: Volume Thermal Expansion

URI: http://registry.it.csiro.au/def/qudt/1.1/qudt-quantity/VolumeThermalExpansion

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is a quantity kind | thermodynamics quantity kind
submitted bySimon Cox

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date submitted 10 Aug 2015 10:20:32.099
entity Volume Thermal Expansion
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item class thermodynamics quantity kind | quantity kind
label Volume Thermal Expansion
notation VolumeThermalExpansion
register qudt quantity
status status experimental
account name simon.cox@csiro.au
name Simon Cox

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version info 1

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description When the temperature of a substance changes, the energy that is stored in the intermolecular bonds between atoms changes. When the stored energy increases, so does the length of the molecular bonds. As a result, solids typically expand in response to heating and contract on cooling; this dimensional response to temperature change is expressed by its coefficient of thermal expansion. Different coefficients of thermal expansion can be defined for a substance depending on whether the expansion is measured by: * linear thermal expansion * area thermal expansion * volumetric thermal expansion These characteristics are closely related. The volumetric thermal expansion coefficient can be defined for both liquids and solids. The linear thermal expansion can only be defined for solids, and is common in engineering applications. Some substances expand when cooled, such as freezing water, so they have negative thermal expansion coefficients. [Wikipedia]
exact match volume thermal expansion
label Volume Thermal Expansion
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type quantity kind | thermodynamics quantity kind


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