crispation number

[kri′spā·shən ‚nəm·bər]

(physics)

A dimensionless number used in the study of convection currents, equal to the product of a fluid's dynamic viscosity and its thermal diffusivity, divided by the product of its undisturbed surface tension and a layer thickness.

References in periodicals archive ?

5] concluded that the surface deformation had a negligible influence on the qualitative aspects of the flow field structure at low crispation number.

Heatline and entropy visualizations of combined natural and Marangoni convection in a square enclosure with bottom wall isoflux

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