dimensionless group

dimensionless group

[də′men·chən·ləs ′grüp]
(physics)
Any combination of dimensional or dimensionless quantities possessing zero overall dimensions; an example is the Reynolds number.
References in periodicals archive ?
they are of order 1 with respect to the dimensionless group,
We find that blade deflection and coating thickness are governed by the blade angle and by a new dimensionless group called the blade flexibility.
3 we have plotted the variation in dimensionless group velocity U/[[beta].
Nomenclature B dimensionless group defined in Equation (A.
He proposed that a dimensionless group be developed to characterize the freezing range of the alloy, as compared to thermal conditions in the mold, in order to establish the validity of the models.
They concluded that the approach to temperature equilibrium would be expected to correlate with the dimensionless group.
A new dimensionless group, Q, the sheet bowability, was uncovered which governs how much a heated sheet will bow.
Roll coating involves a dimensionless group called the elasticity number that governs the thickness of the coating to be dried.
Each dimensionless group is expressed as a natural logarithm of the dimensionless group in order to keep the values of the dimensionless groups from getting excessively large, and to facilitate the visualization of the surface fitting procedure described in the next subsection.