Physics, asked by Anonymous, 6 months ago

define Dimensionless variable in physics

Answers

Answered by Anonymous

A dimensionless variable (DV) is a unitless value produced by (maybe repeatedly) multiplying and dividing combinations of physical variables, parameters, and constants.

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Answered by asifashraf1

Answer:

characteristic numbers are dimensionless numbers used in fluid dynamics to describe a character of the flow.To complete a real situation with a small scale model it is necessary to keep the important charateristic numbers the same

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