Air is flowing steadily in an insulated duct. The pressure and temperature measurements of the air...

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Air is flowing steadily in an insulated duct. The pressure and temperature measurements of the air at two stations A and B are given below. Establish the direction of the flow of air in the duct. Assume that for air, specific heat 0.287 where p, v, and I are V is constant at 1.005 kJ/kg K, h = cp T, and Cp pressure (in kPa), volume (in m³/kg) and temperature (in K) respectively. T р Station A Station B Pressure Temperature 130 kPa 50°C - 100 kPa 13°C Air is flowing steadily in an insulated duct. The pressure and temperature measurements of the air at two stations A and B are given below. Establish the direction of the flow of air in the duct. Assume that for air, specific heat 0.287 where p, v, and I are V is constant at 1.005 kJ/kg K, h = cp T, and Cp pressure (in kPa), volume (in m³/kg) and temperature (in K) respectively. T р Station A Station B Pressure Temperature 130 kPa 50°C - 100 kPa 13°C