Special Problem -2: A rectangular air duct (steel) has dimensions of 1.5 ft x 2.0 ft. Determine the hydraulic diameter (
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Special Problem -2: A rectangular air duct (steel) has dimensions of 1.5 ft x 2.0 ft. Determine the hydraulic diameter (
Special Problem -2: A rectangular air duct (steel) has dimensions of 1.5 ft x 2.0 ft. Determine the hydraulic diameter (DH) and the friction factor if the flow is air at 20° C with a velocity of 5.0 ft/s.
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