Characteristics of a small underwater craft are studied under dynamic similarity conditions in a variable density wind tunnel on a model scale of 1:12. What prototype speed and power are indicated by model values of 100 m/s of velocity and 30 N of drag force? The model is operated at a density of 7.6 kg/m3.Take viscosity of air and water are 2.17 x 10-5 N.s/m2 and 1 x 10-3N.s/m2 respectively

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Chapter6: Forced Convection Over Exterior Surfaces
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Characteristics of a small underwater craft are studied under dynamic similarity conditions in a variable density wind tunnel on a model scale of 1:12. What prototype speed and power are indicated by model values of 100 m/s of velocity and 30 N of drag force? The model is operated at a density of 7.6 kg/m3.Take viscosity of air and water are 2.17 x 10-5 N.s/m2 and 1 x 10-3N.s/m2 respectively.

Characteristics of a small underwater craft are studied under dynamic similarity
conditions in a variable density wind tunnel on a model scale of 1:12. What
prototype speed and power are indicated by model values of 100 m/s of velocity and
30 N of drag force? The model is operated at a density of 7.6 kg/m³. Take viscosity
of air and water are 2.17 x 10°N.s/m² and 1 x 10° N.s/m² respectively.
Transcribed Image Text:Characteristics of a small underwater craft are studied under dynamic similarity conditions in a variable density wind tunnel on a model scale of 1:12. What prototype speed and power are indicated by model values of 100 m/s of velocity and 30 N of drag force? The model is operated at a density of 7.6 kg/m³. Take viscosity of air and water are 2.17 x 10°N.s/m² and 1 x 10° N.s/m² respectively.
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