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TOTALTHERMALEXP [ - ] returns the total thermal expansion of an incompressible substance, defined as the ratio of its change in length at a specified temperature to its length at 20°C (68°F) . The first argument must be the name of an incompressible substance. The second argument must be temperature provided in the unit system that EES is configured to operate in.
$UnitSystem SI C kPa mass
DELTAL\L_293=TotalThermalExp(Copper, T=25 [C])
Also see: LinearExpCoef
Thermophysical Property Functions