A 3 m^3 container is filled with 6 kg of steam at 0.5 MPa. Describe its...
A 3 m^3 container is filled with 6 kg of steam at 0.5 MPa. Describe its phase and find the temperature, specific and total volume, specific and total internal energy, specific and total enthalpy, and specific and total entropy.
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A 3 m^3 container is filled with 6 kg of steam at 0.5 MPa.
Describe its...
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...
1. A rigid vessel contains 7 kg of steam at 0.5 Mpa. After the addition of...
1. A rigid vessel contains 7 kg of steam at 0.5 Mpa. After the addition of 9600 kJ of steam, the pressure becomes 2.5 Mpa and the temperature of steam becomes 700°C. Determine the initial internal energy and the specific volume of the steam.
S Q. Find the entropy and/or temperature of steam at the following states Region k/kg K) 5 MPa 1 ...
s Q. Find the entropy and/or temperature of steam at the following states Region k/kg K) 5 MPa 1 MPa 18 MPa 400°C 40 kPa 40 kPa 120°C 50°C Quality, x-09, Mixed 71794 (<7.6700) Q. Determine the entropy change of water contained in a closed system as it changes phase rom saturated liquid to saturated vapor when the pressure is 0.1MPa and constant Why is the entropy change positive for this process? 2. Steam at 1 MPa, 6000C expands in...
Consider steady flow of steam through a horizontal pipe at a rate of 0.5 kg/s: Steam...
Consider steady flow of steam through a horizontal pipe at a rate of 0.5 kg/s: Steam enters the pipe as a saturated vapor at 0.5 MPa with a velocity of 12 m/s and exits at 0.45 MPa with a quality of 95% and a velocity of 10.5 m/s. Heat transfer from the pipe to the surroundings, which is at 300 K. takes place at an average outer surface temperature of the pipe) of 400 K. Saturated vapor 0.5 MPa 12...
- Question 3 Superheated steam at a pressure and temperature of 60 bar and 450 degC...
- Question 3 Superheated steam at a pressure and temperature of 60 bar and 450 degC undergoes adiabatic expansion through a turbine at a steady rate of 16.3 kg/s. The steam exits the turbine in a wet condition with a pressure of 0.34 bar and specific enthalpy of 2,355 kJ/kg. 25 points Determine the How Did I Do? How Did I Do? properties of the superheated steam at the turbine entrance (state 1): Specific volume, V: 0.0521 m^3/kg kJ/kg Specifio...
The wet steam at pressure 5 MPa and quality x = 90 % is adiabatically and...
The wet steam at pressure 5 MPa and quality x = 90 % is adiabatically and reversibly decompressed to 0.5 MPa in a screw expander. Mass flow rate of steam equals to 5 kg/s. Find the final quality of the steam and the power generated in the expander. Neglect changes in kinetic and potential energies of inlet and outlet streams. Assume specific heat of water equal to 4.19 kJ/kg/K. Draw the process on the T-s diagram. The data required for...
Steam in a 2 m rigid sealed vessel is initially at P,=1 MPa, T.-500 °C. The...
Steam in a 2 m rigid sealed vessel is initially at P,=1 MPa, T.-500 °C. The steam undergoes an isochorie process until the final pressure P2-200 kPa. The specific internal energy and the specific entropy at state 2 are respectively u21092.5 kJ/kg and s2- 3.198 kJ/kg-K. 1 Tsing your stram tahle read the values of the following properties: 4. Compute the mass of steam in the vessel in kg 5. For the system, compute the specific exergy change as, A0-01-02...
A rigid well insulated container holds 1 kg of dry air at P1= 5 MPa. 5....
A rigid well insulated container holds 1 kg of dry air
at P1= 5 MPa.
5. A rigid well-insulated container holds 1 kg of dry saturated steam at P = 5 MPa. At some point in time, a tiny crack develops in the uppermost region of the container. Through this crack, some of the H2O escapes slowly into the atmosphere until the pressure inside the container falls to P2 = 1.5 MPa. This leakage process is slow enough so that...
A rigid container of volume 10 m^3 stores 11.221 kg of water initially as vapor and...
A rigid container of volume 10 m^3 stores 11.221 kg of water initially as vapor and liquid at (T_1) 85 degree C. What is the pressure (P_1) of the system? What is the quality (q_1) of the system? When the temperature of the container is raised to T_2 = 105 degree C, what is the quality of the system (q_2), and what is the pressure (P_2)? What are the changes of enthalpy (Delta H) and changes of internal energy (Delta...
2. For this problem use the steam tables in the American Engineering System (on vula). A...
2. For this problem use the steam tables in the American Engineering System (on vula). A vessel contains 0.15 lb of saturated water at a pressure of 4.970 lb/in. If the total volume of the container is 2.8 ft", determine the following properties of the system: a. Specific volume b. Quality c. Specific internal energy d. Specific enthalpy e. Mass of water in the liquid phase and mass of water in the vapour phase.
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...
1. A rigid vessel contains 7 kg of steam at 0.5 Mpa. After the addition of 9600 kJ of steam, the pressure becomes 2.5 Mpa and the temperature of steam becomes 700°C. Determine the initial internal energy and the specific volume of the steam.
s Q. Find the entropy and/or temperature of steam at the following states Region k/kg K) 5 MPa 1 MPa 18 MPa 400°C 40 kPa 40 kPa 120°C 50°C Quality, x-09, Mixed 71794 (<7.6700) Q. Determine the entropy change of water contained in a closed system as it changes phase rom saturated liquid to saturated vapor when the pressure is 0.1MPa and constant Why is the entropy change positive for this process? 2. Steam at 1 MPa, 6000C expands in...
Consider steady flow of steam through a horizontal pipe at a rate of 0.5 kg/s: Steam enters the pipe as a saturated vapor at 0.5 MPa with a velocity of 12 m/s and exits at 0.45 MPa with a quality of 95% and a velocity of 10.5 m/s. Heat transfer from the pipe to the surroundings, which is at 300 K. takes place at an average outer surface temperature of the pipe) of 400 K. Saturated vapor 0.5 MPa 12...
- Question 3 Superheated steam at a pressure and temperature of 60 bar and 450 degC undergoes adiabatic expansion through a turbine at a steady rate of 16.3 kg/s. The steam exits the turbine in a wet condition with a pressure of 0.34 bar and specific enthalpy of 2,355 kJ/kg. 25 points Determine the How Did I Do? How Did I Do? properties of the superheated steam at the turbine entrance (state 1): Specific volume, V: 0.0521 m^3/kg kJ/kg Specifio...
The wet steam at pressure 5 MPa and quality x = 90 % is adiabatically and reversibly decompressed to 0.5 MPa in a screw expander. Mass flow rate of steam equals to 5 kg/s. Find the final quality of the steam and the power generated in the expander. Neglect changes in kinetic and potential energies of inlet and outlet streams. Assume specific heat of water equal to 4.19 kJ/kg/K. Draw the process on the T-s diagram. The data required for...
Steam in a 2 m rigid sealed vessel is initially at P,=1 MPa, T.-500 °C. The steam undergoes an isochorie process until the final pressure P2-200 kPa. The specific internal energy and the specific entropy at state 2 are respectively u21092.5 kJ/kg and s2- 3.198 kJ/kg-K. 1 Tsing your stram tahle read the values of the following properties: 4. Compute the mass of steam in the vessel in kg 5. For the system, compute the specific exergy change as, A0-01-02...
A rigid well insulated container holds 1 kg of dry air
at P1= 5 MPa.
5. A rigid well-insulated container holds 1 kg of dry saturated steam at P = 5 MPa. At some point in time, a tiny crack develops in the uppermost region of the container. Through this crack, some of the H2O escapes slowly into the atmosphere until the pressure inside the container falls to P2 = 1.5 MPa. This leakage process is slow enough so that...
A rigid container of volume 10 m^3 stores 11.221 kg of water initially as vapor and liquid at (T_1) 85 degree C. What is the pressure (P_1) of the system? What is the quality (q_1) of the system? When the temperature of the container is raised to T_2 = 105 degree C, what is the quality of the system (q_2), and what is the pressure (P_2)? What are the changes of enthalpy (Delta H) and changes of internal energy (Delta...
2. For this problem use the steam tables in the American Engineering System (on vula). A vessel contains 0.15 lb of saturated water at a pressure of 4.970 lb/in. If the total volume of the container is 2.8 ft", determine the following properties of the system: a. Specific volume b. Quality c. Specific internal energy d. Specific enthalpy e. Mass of water in the liquid phase and mass of water in the vapour phase.
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