Question

Hair is flowing through a horizontal and insulated duct the pressure and temperature are measured at

Answer 1

Air is flowing steadily in an insulated duct. The pressure and temperature measurements of the air at two stations let A and B. Establish the direction of the flow of air in the duct.

Assume that for air, specific heat Cp is constant at 1.005 kj/kg K, h = cp T, and

v/T = 0.287/p where p. v. and T are pressure (in kPa), volume (in m3/kg) and temperature (in K) respectively.