Cauchy Number

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Cauchy Number

A nondimensional number arising in the study of the elastic properties of a fluid. It may be written U²p/E, where U is a characteristic velocity; p (lower case Rho) is the density; and E the modulus of elasticity of the fluid. It is the square of the Mach number.

References

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