subject
Engineering, 13.08.2020 05:01 gg808

A heat pump system which uses R-134a operates on the ideal vapor compression heat pump cycle with a given compressor efficiency.--Given Values--Evaporator Temperature: T1 (C) = 0Condenser Temperature: T3 (C) = 37Heating Capacity: Qh (kW) = 5.8Compressor Efficiency: nc (%) = 84a) Determine the specific enthalpy (kJ/kg) at the compressor inlet. Your Answer =b) Determine the specific entropy (kJ/kg-K) at the compressor inlet. Your Answer =c) Determine the specific enthalpy (kJ/kg) at the compressor exit. Your Answer =d) Determine the specific enthalpy (kJ/kg) at the condenser exit. Your Answer =e) Determine the specific enthalpy (kJ/kg) at the evaporator inlet. Your Answer =f) Determine the coefficient of performance for the system. Your Answer =g) Determine the mass flow rate (kg/s) of refrigerant through the system. Your Answer =h) Determine the power input (kW)to the compressor. Your Answer =

ansver
Answers: 2

Another question on Engineering

question
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
question
Engineering, 03.07.2019 23:20
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
question
Engineering, 04.07.2019 18:10
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
Answers: 3
question
Engineering, 04.07.2019 18:10
Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.
Answers: 3
You know the right answer?
A heat pump system which uses R-134a operates on the ideal vapor compression heat pump cycle with a...
Questions
question
Mathematics, 03.08.2019 08:00
question
Social Studies, 03.08.2019 08:00
question
Mathematics, 03.08.2019 08:00