A OF which is in piston initially has 12kg of refrigerant R-134 a, 9 kg Liquid...

 

Transcribed Image Text:

A OF which is in piston initially has 12kg of refrigerant R-134 a, 9 kg Liquid phase. The pressure in the Piston is at a Constant 400Kpa. A stream OF R-134-a at 0.9Mpa. and 90°C 15. allowed to enter the piston until all the liquid in the piston has vapourised. After some time the piston has a heat loss of £5005, Furthermore a Shaft attached to the piston rotates For better mixing of the R-134a. W. Electric motor Q Wah Shaft Vapor Liquid Valve Control volume Inlet stream a Find the initial phase and (temperature, Specific Volume, and entropy internal of the R-134 a energy enthalpy, in the piston. b) Find the final phase and (temperature, Specific Volume, and entropy) the R-134 a internal energy enthalpy, in the piston. energy, entropy Find the Phase and ( Specific Volume, enthalpy, internal and quality CIF applicable)) of R-134a the inlet stream. R-134a d) Find mass of 1) Feciency For OF that entered the piston at inlet e) Rotating shaft is powered by motor operated at (200V & 2.7A) and effec (45%) If the inlet Stream was 30 minutes. Find the electric work only and the magnitude allowed Supplied by the motor to Shaft Shaft work OF A OF which is in piston initially has 12kg of refrigerant R-134 a, 9 kg Liquid phase. The pressure in the Piston is at a Constant 400Kpa. A stream OF R-134-a at 0.9Mpa. and 90°C 15. allowed to enter the piston until all the liquid in the piston has vapourised. After some time the piston has a heat loss of £5005, Furthermore a Shaft attached to the piston rotates For better mixing of the R-134a. W. Electric motor Q Wah Shaft Vapor Liquid Valve Control volume Inlet stream a Find the initial phase and (temperature, Specific Volume, and entropy internal of the R-134 a energy enthalpy, in the piston. b) Find the final phase and (temperature, Specific Volume, and entropy) the R-134 a internal energy enthalpy, in the piston. energy, entropy Find the Phase and ( Specific Volume, enthalpy, internal and quality CIF applicable)) of R-134a the inlet stream. R-134a d) Find mass of 1) Feciency For OF that entered the piston at inlet e) Rotating shaft is powered by motor operated at (200V & 2.7A) and effec (45%) If the inlet Stream was 30 minutes. Find the electric work only and the magnitude allowed Supplied by the motor to Shaft Shaft work OF

Answer rating: 100% (QA)

So given mass of R134a 0 im Pa initial Pressure ... View the full answer