For the flow over a body completely immersed in a fluid, what is meant by the terms “pressure drag” and “viscous drag”? Using these terms, explain the difference between a “bluff” body and a “streamlined” body.

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For the flow over a body completely immersed in a fluid, what is meant by the terms “pressure drag” and “viscous drag”? Using these terms, explain the difference between a “bluff” body and a “streamlined” body.

 

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