Five lbm/min of Refrigerant 134a enters a water-jacketed compressor as a saturated vapor at 10 psia...
Five lbm/min of Refrigerant 134a enters a water-jacketed compressor as a saturated vapor at 10 psia and is discharged at 140 psia, 120°F. The power supplied to run the compressor is 10 HP. Cooling water enters the water-jacket at 70°F and leaves at 100°F. Determine the mass flow rate of the cooling water.
Homework Answers
Add Answer to:
Five lbm/min of Refrigerant 134a enters a water-jacketed
compressor as a saturated vapor at 10 psia...
2. Saturated vapor of refrigerant 134a enters a well-insulated compressor at 140 kPa and leaves at...
2. Saturated vapor of refrigerant 134a enters a well-insulated compressor at 140 kPa and leaves at 800 kPa and 50°C at a flowrate of 0.04 kg/s. Estimate the work done by the compressor.
6. Refrigerant-134a enters an adiabatic compressor as saturated vapor at 100 kPa at a rate of...
6. Refrigerant-134a enters an adiabatic compressor as saturated vapor at 100 kPa at a rate of 0.7 m3/min and exits at 1 MPa pressure. If the isentropic efficiency of the compressor is 87%, determine (a) the temperature of the refrigerant at the exit of the compressor, (b) the power input (in kW), and (c) the rate of entropy generation during this process.
1 MPa Isentropic Efficiency of a Compressor Refrigerant-134a enters an adiabatic compressor as a saturated vapor...
1 MPa Isentropic Efficiency of a Compressor Refrigerant-134a enters an adiabatic compressor as a saturated vapor at 100kPa at a rate of 0.7 m/min and exits at 1-MPa pressure. The isentropic efficiency of the compressor is 87%. R-134a Compressor Isentropic Compressor Work hs-h 100 kPa sat. vapor Actual Compressor Work Determine the refrigerant properties at the inlet and outlet for an isentropic process. Actual 2s entropic procEss Inlet state Determine the actual isentropic enthalpy from the efficiency. (Ans: 289.71 J/kg)...
First part is really the important one Problem 1. Refrigerant-134a enters a compressor at 180 kPa...
First part is really the important one
Problem 1. Refrigerant-134a enters a compressor at 180 kPa as saturated vapor with a flow rate of 0.35 m/min and leaves at 700 kPa. The power supplied to the refrigerant during the compression process is 2.35 kW. Start from the general form of the energy equation and simplify it for this problem. Note: term. The final answer is an equation with no numbers. Calculate the temperature of R-134a at the exit of the...
4. Refrigerant- 134a enters an adiahaticpressor as saturated vapor at 240°C and leaves at 09 MIPa...
4. Refrigerant- 134a enters an adiahaticpressor as saturated vapor at 240°C and leaves at 09 MIPa and 60°C. The mass flow rate of the refrigerant is 1.2 kg/s. Determine (a) the power input to the compressor and (b) the volume flow rate of the refrigerant at the compressor inlet
Problem 4.041 SI Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor...
Problem 4.041 SI Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°C with a volumetric flow rate of 0.18 m3/s. Refrigerant exits at 9 bar, 70°C. Changes in kinetic and potential energy from inlet to exit can be ignored. Determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kW.
6-17 Refrigerant-134a enters the compressor of a refrig- cration system as saturated vapor at 0.14 MPa...
6-17 Refrigerant-134a enters the compressor of a refrig- cration system as saturated vapor at 0.14 MPa and leaves as superheated vapor at 0.8 MPa and 60°C at a rate of 0.06 kg/s. Determine the rates of energy transfers by mass into and out of the compressor. Assume the kinetic and potential cncrgics to be negligible.
Refrigerant 134a flows through an ideal vapor compression heat pump system with a heating capacity of...
Refrigerant 134a flows through an ideal vapor compression heat pump system with a heating capacity of 60,000 Btu/hr. The condenser operates at 200 psi, and the evaporator temperature is 0°F. The refrigerant is a saturated vapor at the evaporator exit and a saturated liquid at the condenser exit. The temperature at the compressor exit is 180°F. Assuming the compressor is not 100% isentropic, determine: a) Mass flow rate (lbm/min) b) Compressor power (hp) c) Isentropic compressor efficiency d) Coefficient of...
An ideal vapor-compression refrigerant cycle operates at steady state with Refrigerant 134a as the working fluid....
An ideal vapor-compression refrigerant cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at -10°C, and saturated liquid leaves the condenser at 28°C. The mass flow rate of refrigerant is 5 kg/min. Determine (a) The compressor power, in kW (b) The refrigerating capacity, in tons. (c) The coefficient of performance. Sketch the system on a T-s diagram with full label. A vapor-compression heat pump with a heating capacity of 500 kJ/min is...
Refrigerant 134a is the working fluid in an ideal vapor-compression refrigeration cycle. Saturated vapor enters the...
Refrigerant 134a is the working fluid in an ideal vapor-compression
refrigeration cycle. Saturated vapor enters the compressor at h =
400 J/kg and saturated liquid leaves the condenser at h= 242 J/kg.
If the mass flow rate of the refrigerant is 0.08 kg/s, and
superheated vapor exits the compressor at h = 420 J/kg, pression
work will be equal to 1.6 kW
inch-h) 6.08(420 - 6oo) = 1.6
2. Saturated vapor of refrigerant 134a enters a well-insulated compressor at 140 kPa and leaves at 800 kPa and 50°C at a flowrate of 0.04 kg/s. Estimate the work done by the compressor.
6. Refrigerant-134a enters an adiabatic compressor as saturated vapor at 100 kPa at a rate of 0.7 m3/min and exits at 1 MPa pressure. If the isentropic efficiency of the compressor is 87%, determine (a) the temperature of the refrigerant at the exit of the compressor, (b) the power input (in kW), and (c) the rate of entropy generation during this process.
1 MPa Isentropic Efficiency of a Compressor Refrigerant-134a enters an adiabatic compressor as a saturated vapor at 100kPa at a rate of 0.7 m/min and exits at 1-MPa pressure. The isentropic efficiency of the compressor is 87%. R-134a Compressor Isentropic Compressor Work hs-h 100 kPa sat. vapor Actual Compressor Work Determine the refrigerant properties at the inlet and outlet for an isentropic process. Actual 2s entropic procEss Inlet state Determine the actual isentropic enthalpy from the efficiency. (Ans: 289.71 J/kg)...
First part is really the important one
Problem 1. Refrigerant-134a enters a compressor at 180 kPa as saturated vapor with a flow rate of 0.35 m/min and leaves at 700 kPa. The power supplied to the refrigerant during the compression process is 2.35 kW. Start from the general form of the energy equation and simplify it for this problem. Note: term. The final answer is an equation with no numbers. Calculate the temperature of R-134a at the exit of the...
4. Refrigerant- 134a enters an adiahaticpressor as saturated vapor at 240°C and leaves at 09 MIPa and 60°C. The mass flow rate of the refrigerant is 1.2 kg/s. Determine (a) the power input to the compressor and (b) the volume flow rate of the refrigerant at the compressor inlet
Problem 4.041 SI Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°C with a volumetric flow rate of 0.18 m3/s. Refrigerant exits at 9 bar, 70°C. Changes in kinetic and potential energy from inlet to exit can be ignored. Determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kW.
6-17 Refrigerant-134a enters the compressor of a refrig- cration system as saturated vapor at 0.14 MPa and leaves as superheated vapor at 0.8 MPa and 60°C at a rate of 0.06 kg/s. Determine the rates of energy transfers by mass into and out of the compressor. Assume the kinetic and potential cncrgics to be negligible.
Refrigerant 134a flows through an ideal vapor compression heat pump system with a heating capacity of 60,000 Btu/hr. The condenser operates at 200 psi, and the evaporator temperature is 0°F. The refrigerant is a saturated vapor at the evaporator exit and a saturated liquid at the condenser exit. The temperature at the compressor exit is 180°F. Assuming the compressor is not 100% isentropic, determine: a) Mass flow rate (lbm/min) b) Compressor power (hp) c) Isentropic compressor efficiency d) Coefficient of...
An ideal vapor-compression refrigerant cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at -10°C, and saturated liquid leaves the condenser at 28°C. The mass flow rate of refrigerant is 5 kg/min. Determine (a) The compressor power, in kW (b) The refrigerating capacity, in tons. (c) The coefficient of performance. Sketch the system on a T-s diagram with full label. A vapor-compression heat pump with a heating capacity of 500 kJ/min is...
Refrigerant 134a is the working fluid in an ideal vapor-compression
refrigeration cycle. Saturated vapor enters the compressor at h =
400 J/kg and saturated liquid leaves the condenser at h= 242 J/kg.
If the mass flow rate of the refrigerant is 0.08 kg/s, and
superheated vapor exits the compressor at h = 420 J/kg, pression
work will be equal to 1.6 kW
inch-h) 6.08(420 - 6oo) = 1.6
Most questions answered within 3 hours.
-
PLEASE USE PYTHON
training error should strictly decrease as the degree of the
hypothesis polynomials increases....
asked 50 seconds ago -
Using the Table and data below, create a procedure that accepts
product ID as a parameter...
asked 2 minutes ago -
Suppose X follows an exponential distribution with mean 7.5.
Determine the conditional probability P(x > 2.5...
asked 25 minutes ago -
Young softball batters are often instructed to “choke-up on the
bat” by their coach. In terms...
asked 28 minutes ago -
Suppose that you are an official with Mexico's economic
development agency. Write a one-page memo detailing...
asked 1 hour ago -
If you were an international firm, why would you support the
concept of global free trade?...
asked 1 hour ago -
Cisco packet tracer
Q1) Do you get any changes of IP address when packet is
traversing...
asked 1 hour ago -
What is the pressure inside a 33.0 L container holding 106.4 kg
of argon gas at...
asked 2 hours ago -
Question no 2
A housekeeping support department budgets its costs at
SR 40,000 per month plus...
asked 2 hours ago -
A 1400Kg sports car accelerates from rest to 90km/h in 7.0s.
What is the average power...
asked 3 hours ago -
For the following reaction, 0.128 moles of
potassium hydrogen sulfateare mixed with
0.504 moles of potassium...
asked 6 hours ago -
1. What is the present value of $400, three years in the future
if the interest...
asked 7 hours ago