Colonization of the moon will require an improved understanding of fluid flow under reduced gravitational forces. The
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Colonization of the moon will require an improved understanding of fluid flow under reduced gravitational forces. The gravitational force on the moon is one-fifth that on the surface of the earth. An engineer is designing a model experiment for flow in a conduit on the moon. The important scaling parameters are the Froude number and the Reynolds number. The model will be full scale. The kinematic viscosity of the fluid to be used on the moon is 2 × 10–5 m2/s. What should be the kinematic viscosity of the fluid to be used for the model on earth?
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The Froude number is a dimensionless number that compares the inertial forces to gravitational forces It is defined as Fr velocity gravitational acceleration characteristic length12 The Reynolds number is a dimensionless number that compares the inertial forces to viscous forces It is defined as Re density velocity characteristic length viscosity For a fullscale model the characteristic length and velocity should be the same in the model as in the prototype Since the gravitational force ...View the full answer
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Related Book For 
Engineering Fluid Mechanics
ISBN: 9781118880685
11th Edition
Authors: Donald F. Elger, Barbara A. LeBret, Clayton T. Crowe, John A. Robertson
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