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17. Determine the specific enthalpy of liquid water at 100°C and 10 MPa, a. By using...
In an isobaric process, 1 litre of compressed liquid water at p 10 MPa, T 40°C...
In an isobaric process, 1 litre of compressed liquid water at p 10 MPa, T 40°C is heated to saturated liquid state (State 2), then evaporated to saturated vapor state (State 3), and then further heated to T4-450°C. Determine temperature, pressure, specific volume, internal energy, enthalpy and entropy in the four states; collect the data in a table. Then determine the work and the heat for the process. For state 1, also use the approximation based on saturation data to...
4. (4 points) Liquid water enters a steady-state heat exchanger at P 1 MPa and T-353.15...
4. (4 points) Liquid water enters a steady-state heat exchanger at P 1 MPa and T-353.15 K, and exits as saturated water vapor at P-1 MPa A. Using the steam tables, find the change in specific enthalpy for this process. B. Using the approximation that Cp-4.19 kJ/kg-K for liquid water, find the change in enthalpy when liquid water is heated from 353.15 K to its boiling point at P 1 MPa. C. How do the answers to parts A and...
A piston-cylinder device contains 10 kg of saturated water liquid at 0.4 MPa. Heat is transferred...
A piston-cylinder device contains 10 kg of saturated water liquid at 0.4 MPa. Heat is transferred at constant pressure until the temperature reaches 400 °C. (68 marks) a) Show the process on a P-v diagram with respect to the saturation line? b) What is the initial temperature of the system? c) What is the initial quality x? d) What is the initial specific enthalpy of the system? e) Determine the initial total volume of the system. f) What is the...
Problem 5- A piston-cylinder device initially contains steam at 3.5 MPa, superheated by .10°C. Now, steam loses hea...
Problem 5- A piston-cylinder device initially contains steam at 3.5 MPa, superheated by .10°C. Now, steam loses heat to the surroundings and the piston moves down, hitting a set of stops, at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at .200C. Determine the initial temperature of the steam a. b. Sketch the process on a P-v an T-v diagram Determine the initial specific enthalpy, in kJ/kg d. Determine the enthalpy change...
Steam at 10 MPa, 600 'C is throttled to 1 MPa, and fed into an adiabatic...
Steam at 10 MPa, 600 'C is throttled to 1 MPa, and fed into an adiabatic mixing chamber where it is mixed with compressed liquid water at 1 MPa, 50 C. The exiting mass flow is 100 kg/s of saturated liquid at 1 MPa. For steady state operation, determine a) te mass flows of steam and liquid that enter, b) the rate of entropy generation due to throttling, and the rate of entropy generation due to mixing, c) te associa...
1. Using the tables for water, determine the specific entropy at the indicated states, in kJ/kg.K...
1. Using the tables for water, determine the specific entropy at the indicated states, in kJ/kg.K. In each case, locate the state by hand on a sketch of the T-s diagram a. p-5.0 MPa, T-4000 b. p 5.0 MPa, T 100o c. p 5.0 MPa, u-1872.5 kJ/kg d. p 5.0 MPa, saturated vapor.
1. Using the tables for water, determine the specific entropy at the indicated states, in kJ/kg.K. In each case, locate the state by hand on a sketch...
QUESTION 6 At a pressure of 4 Mpa, the temperature at which liquid water boils (using...
QUESTION 6 At a pressure of 4 Mpa, the temperature at which liquid water boils (using tables) is: Saturated warter- Pressure table TA TABLE A-6 Specific volume, m/kg Superheated water (Continued) Sat. Sat. Sat. C m/kg kJ/kg kJkg kJ/kg K Press., temp., liquid, vapor P- 4.0 MPa (250.35 C) Sat. 0.04978 2601.7 2800.8 6.0696 3500 242.56 0.001235 0.057061 275 0.05461 2668.9 2887.3 6.2312 4000 250.35 0.001252 0.049779 300 0.05887 2726.2 2961.7 6.3639 5000 263.94 0.001286 0.039448 350 0.06647 2827.4 3093.3...
The following table provides the specific heat and enthalpy changes for water and ice Substance Specific...
The following table provides the specific heat and enthalpy changes for water and ice Substance Specific heat [J/(g⋅∘C)][J/(g⋅∘C)] ΔHΔH (kJ/mol)(kJ/mol) water 4.18 44.0 ice 2.01 6.01 a) Calculate the enthalpy change, ΔHΔHDeltaH, for the process in which 42.3 gg of water is converted from liquid at 3.2 ∘C∘C to vapor at 25.0 ∘C∘C . For water, ΔHvapΔHvapH = 44.0 kJ/molkJ/mol at 25.0 ∘C∘C and CsCsC_s = 4.18 J/(g⋅∘C) J/(g⋅∘C) for H2O(l)H2O(l). Express your answer to three significant figures and include the...
Consider water as the fluid of interest. Given the conditions below, choose what steam table you...
Consider water as the fluid of interest. Given the conditions below, choose what steam table you would use to calculate the other variables? A Superheated Steam B Saturated Temperature Table C Saturated Pressure Table D Compressed Liquid Table C C P =0.04 MPa and U=317.58 kJ/kg T =85.93°C and P=.06 MPa T= 37°C and P=.004575 MPa T=100°C and S=1.2506 kJ/kg-K T=120°C and H=1700 kJ/kg Submit Answer Tries 0/4
A piston-cylinder device contains 5 kg of saturated water liquid at 0.3 MPa. Heat is transferred...
A piston-cylinder device contains 5 kg of saturated water liquid at 0.3 MPa. Heat is transferred at constant pressure until the temperature reaches 500 -C. (84 marks) a) What is the initial temperature of the system? b) What is the initial quality x? c) What is the initial specific enthalpy of the system? d) What is the final state? e) Show the process on a P-v diagram with respect to the saturation line. 1) What is the final specific enthalpy?...
In an isobaric process, 1 litre of compressed liquid water at p 10 MPa, T 40°C is heated to saturated liquid state (State 2), then evaporated to saturated vapor state (State 3), and then further heated to T4-450°C. Determine temperature, pressure, specific volume, internal energy, enthalpy and entropy in the four states; collect the data in a table. Then determine the work and the heat for the process. For state 1, also use the approximation based on saturation data to...
4. (4 points) Liquid water enters a steady-state heat exchanger at P 1 MPa and T-353.15 K, and exits as saturated water vapor at P-1 MPa A. Using the steam tables, find the change in specific enthalpy for this process. B. Using the approximation that Cp-4.19 kJ/kg-K for liquid water, find the change in enthalpy when liquid water is heated from 353.15 K to its boiling point at P 1 MPa. C. How do the answers to parts A and...
A piston-cylinder device contains 10 kg of saturated water liquid at 0.4 MPa. Heat is transferred at constant pressure until the temperature reaches 400 °C. (68 marks) a) Show the process on a P-v diagram with respect to the saturation line? b) What is the initial temperature of the system? c) What is the initial quality x? d) What is the initial specific enthalpy of the system? e) Determine the initial total volume of the system. f) What is the...
Problem 5- A piston-cylinder device initially contains steam at 3.5 MPa, superheated by .10°C. Now, steam loses heat to the surroundings and the piston moves down, hitting a set of stops, at which point the cylinder contains saturated liquid water. The cooling continues until the cylinder contains water at .200C. Determine the initial temperature of the steam a. b. Sketch the process on a P-v an T-v diagram Determine the initial specific enthalpy, in kJ/kg d. Determine the enthalpy change...
Steam at 10 MPa, 600 'C is throttled to 1 MPa, and fed into an adiabatic mixing chamber where it is mixed with compressed liquid water at 1 MPa, 50 C. The exiting mass flow is 100 kg/s of saturated liquid at 1 MPa. For steady state operation, determine a) te mass flows of steam and liquid that enter, b) the rate of entropy generation due to throttling, and the rate of entropy generation due to mixing, c) te associa...
1. Using the tables for water, determine the specific entropy at the indicated states, in kJ/kg.K. In each case, locate the state by hand on a sketch of the T-s diagram a. p-5.0 MPa, T-4000 b. p 5.0 MPa, T 100o c. p 5.0 MPa, u-1872.5 kJ/kg d. p 5.0 MPa, saturated vapor.
1. Using the tables for water, determine the specific entropy at the indicated states, in kJ/kg.K. In each case, locate the state by hand on a sketch...
QUESTION 6 At a pressure of 4 Mpa, the temperature at which liquid water boils (using tables) is: Saturated warter- Pressure table TA TABLE A-6 Specific volume, m/kg Superheated water (Continued) Sat. Sat. Sat. C m/kg kJ/kg kJkg kJ/kg K Press., temp., liquid, vapor P- 4.0 MPa (250.35 C) Sat. 0.04978 2601.7 2800.8 6.0696 3500 242.56 0.001235 0.057061 275 0.05461 2668.9 2887.3 6.2312 4000 250.35 0.001252 0.049779 300 0.05887 2726.2 2961.7 6.3639 5000 263.94 0.001286 0.039448 350 0.06647 2827.4 3093.3...
Consider water as the fluid of interest. Given the conditions below, choose what steam table you would use to calculate the other variables? A Superheated Steam B Saturated Temperature Table C Saturated Pressure Table D Compressed Liquid Table C C P =0.04 MPa and U=317.58 kJ/kg T =85.93°C and P=.06 MPa T= 37°C and P=.004575 MPa T=100°C and S=1.2506 kJ/kg-K T=120°C and H=1700 kJ/kg Submit Answer Tries 0/4
A piston-cylinder device contains 5 kg of saturated water liquid at 0.3 MPa. Heat is transferred at constant pressure until the temperature reaches 500 -C. (84 marks) a) What is the initial temperature of the system? b) What is the initial quality x? c) What is the initial specific enthalpy of the system? d) What is the final state? e) Show the process on a P-v diagram with respect to the saturation line. 1) What is the final specific enthalpy?...
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