Coefficient of Compressibility

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Coefficient of Compressibility

The relative decrease of the volume of a gaseous system with increasing pressure in an isothermal process. This coefficient is

-(1/V)('Missing Image:IMG src="c_files/partderiv.gif"V/ Missing Image:IMG src="c_files/partderiv.gif"'p)_Twhere V is the

volume; p is the pressure; and T is the temperature. The reciprocal of this quantity is the bulk modulus. Also called compressibility. Compare coefficient of thermal expansion, coefficient of tension.

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use