Considerr Mach 2 flow in a two{dimensional rectangular channel of length 5 m and

Question

Considerr Mach 2 flow in a two{dimensional rectangular channel of length 5 m and height 1 m. The bottom wall of the channel is noticeably rough at a distance of 1 m from the exit. Will flow disturbances created by the roughness affect measuring sensors distributed along the top wall? Why ? Considerr Mach 2 flow in a two{dimensional rectangular channel of length 5 m and height 1 m. The bottom wall of the channel is noticeably rough at a distance of 1 m from the exit. Will flow disturbances created by the roughness affect measuring sensors distributed along the top wall? Why ?

Explanation / Answer

yes, because the flow velocity can change because of friction forces and the velocity may decrease and the uniformity of flow might also be lost making the velocity different at different points

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