iapws_sigma {iapws}

IAPWS Formulations for Surface Tension

Description

Compute the surface tension of ordinary and heavy water.

Usage

iapws_sigma(t)
heavy17_sigma(t)

Arguments

t

a numeric vector giving the temperature values in K.

Value

A numeric vector giving the values of surface tension in mN/m.

Author(s)

Jonathan Debove

References

International Association for the Properties of Water and Steam, IAPWS R1-76(2014), Revised Release on Surface Tension of Ordinary Water Substance.

International Association for the Properties of Water and Steam, IAPWS R5-85(1994), IAPWS Release on Surface Tension of Heavy Water Substance.

Examples

print(iapws_sigma(seq(5, 370, by = 5) + 273.15), digits = 2)
print(heavy17_sigma(seq(5, 370, by = 5) + 273.15), digits = 1)