modelSurfaceTension

Evaluate the surface tension of H2O using the model of Garai

Extends from Modelica.Icons.Example (Icon for runnable examples).

Information

See also Subregions.Examples.PhaseChange.Condensation.

Parameters

TypeNameDefaultDescription
Q.PressureAbsolutepU.atmPressure of the liquid (and total pressure of the gas)

Components

TypeNameDefaultDescription
Q.PressureAbsolutep_satSaturation pressure
Q.TemperatureAbsoluteTTemperature
Q.TemperatureAbsoluteT_satSaturation temperature
Q.NumberT_degCU.to_degC(T)Temperature in degree Celsius
Q.Potentialh_glGas.h(T, p_sat) - Liquid.h(T, p)Specific enthalpy of vaporization
Q.SurfaceTensiongamma(h_gl - T_sat)/(2*U.pi*Liquid.d^2*U.q)Surface tension
Modelica.Blocks.Sources.RamptemperatureSet