Refrigerant 134a enters an insulated diffuser as a saturated vapor at 80°F with a velocity of 1400 ft/s. The inlet area is 1.4 in². At the exit, the pressure is 400 lb/in² and the velocity is negligible. The diffuser operates at steady state and potential energy effects can be neglected. Determine the mass flow rate, in lb/s, and the exit temperature, in °F.

Refrigerant 134a enters an insulated diffuser as a saturated vapor at 24°C with a velocity of 245 m/s. The inlet area is 9 cm². At the exit, the pressure is 16 bar, and the velocity is negligible. The diffuser operates at steady state and potential energy effects can be neglected. a. Determine the mass flow rate, in kg/s. b. Determine the exit temperature, in °C. x₁ 1(sat. vapor) T₁=24°C V₁=245 m/s A₁-9 cm² Diffuser P2 = 16 bar V₂=0

Refrigerant 134a at p1 = 30 lbf/in2, T1 = 40°F enters a compressor operating at steady state with a mass flow rate of 350 Ib/h and exits as saturated vapor at p2 = 16O Ib/in?. Heat transfer occurs from the compressor to its surroundings, which are at To = 40°F. Changes in kinetic and potential energy can be ignored. The power input to the compressor is 3.5 hp. Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr.°R.

Water vapor with a pressure of 160 bar and a temperature of 480°C enters a stable turbine with a volumetric flow of 800 m3/min. About 18% of the incoming mass flow exits a part of the turbine at a pressure of 5 bar, a temperature of 240°C and a velocity of 25 m/s. The rest comes out from another part of the turbine with a pressure of 0.06 bar, a quality of 94% and a speed of 400 m/s. Determine the diameters of each outlet channel in m.