Special Problem -2: A rectangular air duct (steel) has dimensions of 1.5 ft x 2.0 ft. Determine the hydraulic diameter (
Posted: Thu May 05, 2022 12:35 pm
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.