crispation number

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.