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Calculate the Reynolds numbers based on the air velocity values and the hydraulic diameter. (Dh=4A/P, A:Cross sectional area, P: Wetted perimeter, Duct dimensions are 128

Calculate the Reynolds numbers based on the air velocity values and the hydraulic diameter. (Dh=4A/P, A:Cross sectional area, P: Wetted perimeter, Duct dimensions are 128 mm x 75 mm). Evaluate properties at the film temperature (Average of Ts and Tin)

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