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Version: 8.1

system.thermo.if97.thermalDiffusivity

Calculates thermal diffusivity.

Syntax

system.thermo.if97.thermalDiffusivity(h, s) # Enthalpy and Entropy
system.thermo.if97.thermalDiffusivity(p, h) # Pressure and Enthalpy
system.thermo.if97.thermalDiffusivity(p, s) # Pressure and Entropy
system.thermo.if97.thermalDiffusivity(p, t) # Pressure and Temperature
info

This function must be called with named parameters.

Parameters

TypeParameterDescription
DoublehSpecific Enthalpy (J/kg)
DoublesSpecific Entropy (J/(kg·K))
DoublepAbsolute Pressure (Pa)
DoubletTemperature (K)

Returns

Double - Thermal Diffusivity (m²/s)

The rate of heat conduction relative to heat storage capacity.

Scope

Gateway, Designer, Client, Perspective Session

Example

Pressure and Temperature

p = 101325
t = 373.15
result = system.thermo.if97.thermalDiffusivity(p=p, t=t)
print result
Result
0.0199734499938