The drag on a 2 m diameter satellite dish due to an 80 km/hr wind is to
be determined through a wind tunnel test using a geometrically similar 0.4 m
diameter model dish. Assume standard air for both model and prototype. (a) At what
air speed should the mode test be run? (b)With all similarity conditions satisfied, the
measured drag on the model was determined to be 170 N. What is the predicted drag
on the prototype dish?

Question

02-10-2022
Engineering

Answered

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The drag on a 2 m diameter satellite dish due to an 80 km/hr wind is to
be determined through a wind tunnel test using a geometrically similar 0.4 m
diameter model dish. Assume standard air for both model and prototype. (a) At what
air speed should the mode test be run? (b)With all similarity conditions satisfied, the
measured drag on the model was determined to be 170 N. What is the predicted drag
on the prototype dish?

Sagot :

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