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0.5-kg of R-134a is expanded isentropically from 600 kPa and 30°C to 140 kPa. Determine the...
PROBLEM #4 (30 pts) Consider a piston cylinder device that contains 87 kg of R-134a initially...
PROBLEM #4 (30 pts) Consider a piston cylinder device that contains 87 kg of R-134a initially at 200 kPa and volume of 12m2. Heat transfer occurs and the volume at state 2 is one-half its original size. (a) Draw the schematic and define your system. (b) Show the energy transfer into/out of your system and write out the E-bal. Do not solve E-Bal: AU-Wb-Q (c) Determine the final temperature, in C (-10.09 C) (d) Find the change in total internal...
a. Superheated R-134a is throttled from state 1 at 600 kPa (0.6 MPa) and 120°C to...
a. Superheated R-134a is throttled from state 1 at 600 kPa (0.6 MPa) and 120°C to a pressure of 500 kPa (state 2). Find the temperature at state 2. b. Calculate the Joule-Thompson coefficient of R-134a at 600 kPa (0.6 MPa) and 120°C. c. Does your coefficient from b agree with your results from a?
10 kg of R-134a at 300 kPa fills a rigid container whose volume is 14 L....
10 kg of R-134a at 300 kPa fills a rigid container whose volume is 14 L. Determine the temperature and total enthalpy in the container. The container is now heated until the pressure is 600 kPa. Determine the temperature and total enthalpy when the heating is completed. Use data from the steam tables. R-134a 300 kPa m kg 14L The temperature in the container is "C. The total enthalpy in the container is kJ. The temperature in the container when...
Refrigerant 134a in a piston cylinder assembly, from 180 psi and 140 F to 30 psi....
Refrigerant 134a in a piston cylinder assembly, from 180 psi and 140 F to 30 psi. The mass of refrigerant is 0.5 lb. During the process heat transfer to the refrigerant from its surrounding is 1.2 Btu while the work done by the refrigerant is 4.32 Btu. There are no significant kinetic and potential energy effects. • Determine the final temperature of the refrigerant in F •Determine the initial and final specific volume. • Diagram sketch of the P-v include...
Problem 3: A 9-m container is filled with 300 kg of R-134a at 10°C. What is...
Problem 3: A 9-m container is filled with 300 kg of R-134a at 10°C. What is the specific enthalpy of the R-134a in the container? Problem 4: a piston-cylinder device contains 0.6 kg of steam at 200 Cand 0.5 MPa. Steam is cooled at constant pressure until one-half of the mass condenses. Show the process on a T-v diagram b) a) Find the final temperature c) Determine the volume change Problem 5:10 kg of R-134a at 320 kPa fills a...
Example # 01 4-43 100-kg of R-134a at 200 kPa are contained in a ps ton-cylinder...
Example # 01 4-43 100-kg of R-134a at 200 kPa are contained in a ps ton-cylinder device whose volume is 12.322m.The piston is now moved until the volume is one-half its ornginal size. This is done such that the pressure of the R-134a does not change Determine the final temperature and the change in the total internal energy of the R-134a
A 1-mº rigid tank contains 100 kg R-134a at a temperature of 16 °C. A valve...
A 1-mº rigid tank contains 100 kg R-134a at a temperature of 16 °C. A valve on top of the tank is opened, and saturated vapor is allowed to escape through a throttle to a collector system at 100 kPa. During the process the temperature inside the tank remains at 16 °C by heat transfer from the 20 °C surroundings. The valve is closed when no more liquid remains inside the tank. Calculate the heat transfer to the tank and...
Please show all work 1 out of 3 attem A tank contains 23.07 kg of dry air and 0.238 kg of water vapor at 30°C and 97 kPa total pressure. Determine (a) the specific humidity kg H2O/kg dry air (Round y...
Please show all work 1 out of 3 attem A tank contains 23.07 kg of dry air and 0.238 kg of water vapor at 30°C and 97 kPa total pressure. Determine (a) the specific humidity kg H2O/kg dry air (Round your answer to four decimal places) (b) the relative humidity, % (Round your answer to one decimal place) and (c) the volume of the tank. 3 m (Round your answer to one decimal place) 1 out of 3 attem A...
Question 3 (a) In a closed system, 0.93 kg of steam at 600 kPa and 200°C...
Question 3 (a) In a closed system, 0.93 kg of steam at 600 kPa and 200°C undergoes an isothermal and reversible process until 0.76 kg of saturated liquid water is obtained in the system. (i) Determine the entropy change of the mass. (5 marks) (ii) Determine the amount of heat transfer of the system during the process. (3 marks) (b) A two-cylinder two-stroke diesel engine operates on an ideal Diesel cycle, of which compression ratio is 22.5 and cutoff ratio...
.0.5 kg/s of refrigerant R-134a undergoes a series of steady-state operations as indicated in the figure below: 12:...
.0.5 kg/s of refrigerant R-134a undergoes a series of steady-state operations as indicated in the figure below: 12: Isobaric heating process. 23: Reversible and adiabatic compression process 34: Isobaric cooling. 45: Expansion process using throttling va Ive. 1) Determine the amount of heat needed during the evaporation process (12) 2) Determine the ch ange of entropy during the compression process and the temperature of the refrigerant at state 3. 3) Calculate the power input for the compression process. 4) Determine...
PROBLEM #4 (30 pts) Consider a piston cylinder device that contains 87 kg of R-134a initially at 200 kPa and volume of 12m2. Heat transfer occurs and the volume at state 2 is one-half its original size. (a) Draw the schematic and define your system. (b) Show the energy transfer into/out of your system and write out the E-bal. Do not solve E-Bal: AU-Wb-Q (c) Determine the final temperature, in C (-10.09 C) (d) Find the change in total internal...
a. Superheated R-134a is throttled from state 1 at 600 kPa (0.6 MPa) and 120°C to a pressure of 500 kPa (state 2). Find the temperature at state 2. b. Calculate the Joule-Thompson coefficient of R-134a at 600 kPa (0.6 MPa) and 120°C. c. Does your coefficient from b agree with your results from a?
10 kg of R-134a at 300 kPa fills a rigid container whose volume is 14 L. Determine the temperature and total enthalpy in the container. The container is now heated until the pressure is 600 kPa. Determine the temperature and total enthalpy when the heating is completed. Use data from the steam tables. R-134a 300 kPa m kg 14L The temperature in the container is "C. The total enthalpy in the container is kJ. The temperature in the container when...
Refrigerant 134a in a piston cylinder assembly, from 180 psi and 140 F to 30 psi. The mass of refrigerant is 0.5 lb. During the process heat transfer to the refrigerant from its surrounding is 1.2 Btu while the work done by the refrigerant is 4.32 Btu. There are no significant kinetic and potential energy effects. • Determine the final temperature of the refrigerant in F •Determine the initial and final specific volume. • Diagram sketch of the P-v include...
Problem 3: A 9-m container is filled with 300 kg of R-134a at 10°C. What is the specific enthalpy of the R-134a in the container? Problem 4: a piston-cylinder device contains 0.6 kg of steam at 200 Cand 0.5 MPa. Steam is cooled at constant pressure until one-half of the mass condenses. Show the process on a T-v diagram b) a) Find the final temperature c) Determine the volume change Problem 5:10 kg of R-134a at 320 kPa fills a...
Example # 01 4-43 100-kg of R-134a at 200 kPa are contained in a ps ton-cylinder device whose volume is 12.322m.The piston is now moved until the volume is one-half its ornginal size. This is done such that the pressure of the R-134a does not change Determine the final temperature and the change in the total internal energy of the R-134a
A 1-mº rigid tank contains 100 kg R-134a at a temperature of 16 °C. A valve on top of the tank is opened, and saturated vapor is allowed to escape through a throttle to a collector system at 100 kPa. During the process the temperature inside the tank remains at 16 °C by heat transfer from the 20 °C surroundings. The valve is closed when no more liquid remains inside the tank. Calculate the heat transfer to the tank and...
Question 3 (a) In a closed system, 0.93 kg of steam at 600 kPa and 200°C undergoes an isothermal and reversible process until 0.76 kg of saturated liquid water is obtained in the system. (i) Determine the entropy change of the mass. (5 marks) (ii) Determine the amount of heat transfer of the system during the process. (3 marks) (b) A two-cylinder two-stroke diesel engine operates on an ideal Diesel cycle, of which compression ratio is 22.5 and cutoff ratio...
.0.5 kg/s of refrigerant R-134a undergoes a series of steady-state operations as indicated in the figure below: 12: Isobaric heating process. 23: Reversible and adiabatic compression process 34: Isobaric cooling. 45: Expansion process using throttling va Ive. 1) Determine the amount of heat needed during the evaporation process (12) 2) Determine the ch ange of entropy during the compression process and the temperature of the refrigerant at state 3. 3) Calculate the power input for the compression process. 4) Determine...
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