Argon is compressed in a polytropic process with n= 1 from 120 kPa and 10°C to...
Argon is compressed in a polytropic process with n= 1 from 120 kPa and 10°C to 600 kPa in a piston–cylinder device. Determine the work produced and heat transferred during this compression process, in kJ/kg. For Argon, R is 0.2081 KJ/kg K, Cv =0.3122 KJ/kg K
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Argon is compressed in a polytropic process with n= 1 from 120
kPa and 10°C to...
Argon is compressed in a polytropic process with n = 1.2 from 170 kPa and 30°C...
Argon is compressed in a polytropic process with n = 1.2 from 170 kPa and 30°C to 110 kPa in a piston-cylinder device. Determine the final specific volume in m /kg of argon.
Air goes through a polytropic process in a piston/cylinder setup. The polytropic index is n. The...
Air goes through a polytropic process in a piston/cylinder setup. The polytropic index is n. The process starts at P1 kPa, T1 oC, and ends with a pressure of P2 kPa. Answer Questions 6-8 about this process, considering the given information in Question 6. Assume air to be an ideal gas. Let, n=1.5 P1=2.3 MPa T1= 8.9 ×102 °C P2=2.1 ×102 kPa Cp = 1.004 kJ/kg-K, Cv = 0.717 kJ/kg-K, R = 0.287 kJ/kg-K Find the final temperature, in oC...
A mass of 1.5 kg of air at 120 kpa and 24 degrees C is contained...
A mass of 1.5 kg of air at 120 kpa and 24 degrees C is contained in a gas-tight, frictionless piston-cylinder device. The air is now compressed to a final pressure of 600 kPa. During the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. Calculate the work input during the process.
ME 372: Homework# 4 a) Argon, considered as an ideal gas, is compressed through an isentropic...
ME 372: Homework# 4 a) Argon, considered as an ideal gas, is compressed through an isentropic process (1-2s) in a single stage compressor as shown in figure below isentropic From inlet (1) where the pressure and temperature are (200 kpa) and (27o c) respectively to exit (2s) where the pressure is (2000 kpa ) . If (k= 1.667 ) and ( R = 0.2081 kJ/kg. k ) a.1) determine the specific work (Wis) done by the compressor on Argon along...
A piston-cylinder device contains 0.78 kg of nitrogen gas at 140 kPa and 37°C. The gas...
A piston-cylinder device contains 0.78 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3 = constant. The process ends when the volume is reduced by one-half. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R= 0.2968 kJ/kg-K. The constant volume specific heat of nitrogen at room temperature is Cr=0.743 kJ/kg-K. (Round the final answer to five decimal places.) The entropy...
(10 pts) Air is compressed from 5.3 L, 7°C and 98 kPa to 0.65 L inside...
(10 pts) Air is compressed from 5.3 L, 7°C and 98 kPa to 0.65 L inside a piston-cylinder device. The compression is reversible and adiabatic. Rair 0.287 k]/kg.K. Using variable specific heat analysis, determine: 1. a. b. c. The temperature after compression, in K. The pressure after compression, in kPa. The work done on the system, in k].
A piston-cylinder device contains 0.63 kg of nitrogen gas at 140 kPa and 37°C. The gas...
A piston-cylinder device contains 0.63 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3. constant. The process ends when the volume is reduced by one-halt. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R-0.2968 kJ/kg K. The constant volume specific heat of nitrogen at room temperature is C -0.743 kJ/kg K. (Round the final answer to five decimal places.) The...
) A mass of 1.5 kg of air at 120 kPa and 24°C is contained in...
) A mass of 1.5 kg of air at 120 kPa and 24°C is contained in a gas-tight, frictionless pistoncylinder device. The air is now compressed to a final pressure of 600 kPa. During this process, heat is transferred from the air such that the temperature inside the temperature inside the cylinder remains constant. Calculate the work input during this process
A gas in a cylinder piston system occupies V, - 15 mºat P. = 220 kPa...
A gas in a cylinder piston system occupies V, - 15 mºat P. = 220 kPa and T, -20°C. Then, the gas undergoes a polytropic compression process until its temperature becomes T, 300'C. The entropy change of the gas during this process is AS - -1.7626 kJ/K, (AS-S.-5.). By assuming ideal gas (R = 0.3 kJ/kg.K. cp = 0.8 kJ/kg.K. cv = 0.5 kJ/kg.K), determine: 3pt) the mass of the gas, m (kg) = (9pt) the work transfer, W (kl)...
Problem #4: Air is compressed in a piston cylinder from 1 bar, 17 °C such that...
Problem #4: Air is compressed in a piston cylinder from 1 bar, 17 °C such that the "2-30% v1 Assume polytropic compression with n - 1.3, negligible kinetic and potential energy changes, and ideal gas behavior. Determine the following. (a) the temperature of the exiting air, in °C; (b) the work and heat transfer, in kJ/kg (c) the entropy generated, in kJ/kgK, if heat transfer takes place at 520 K; (d) Also sketch the process on p-v and T-s diagrams...
Argon is compressed in a polytropic process with n = 1.2 from 170 kPa and 30°C to 110 kPa in a piston-cylinder device. Determine the final specific volume in m /kg of argon.
ME 372: Homework# 4 a) Argon, considered as an ideal gas, is compressed through an isentropic process (1-2s) in a single stage compressor as shown in figure below isentropic From inlet (1) where the pressure and temperature are (200 kpa) and (27o c) respectively to exit (2s) where the pressure is (2000 kpa ) . If (k= 1.667 ) and ( R = 0.2081 kJ/kg. k ) a.1) determine the specific work (Wis) done by the compressor on Argon along...
A piston-cylinder device contains 0.78 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3 = constant. The process ends when the volume is reduced by one-half. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R= 0.2968 kJ/kg-K. The constant volume specific heat of nitrogen at room temperature is Cr=0.743 kJ/kg-K. (Round the final answer to five decimal places.) The entropy...
(10 pts) Air is compressed from 5.3 L, 7°C and 98 kPa to 0.65 L inside a piston-cylinder device. The compression is reversible and adiabatic. Rair 0.287 k]/kg.K. Using variable specific heat analysis, determine: 1. a. b. c. The temperature after compression, in K. The pressure after compression, in kPa. The work done on the system, in k].
A piston-cylinder device contains 0.63 kg of nitrogen gas at 140 kPa and 37°C. The gas is now compressed slowly in a polytropic process during which PV1.3. constant. The process ends when the volume is reduced by one-halt. Determine the entropy change of nitrogen during this process. The gas constant of nitrogen is R-0.2968 kJ/kg K. The constant volume specific heat of nitrogen at room temperature is C -0.743 kJ/kg K. (Round the final answer to five decimal places.) The...
A gas in a cylinder piston system occupies V, - 15 mºat P. = 220 kPa and T, -20°C. Then, the gas undergoes a polytropic compression process until its temperature becomes T, 300'C. The entropy change of the gas during this process is AS - -1.7626 kJ/K, (AS-S.-5.). By assuming ideal gas (R = 0.3 kJ/kg.K. cp = 0.8 kJ/kg.K. cv = 0.5 kJ/kg.K), determine: 3pt) the mass of the gas, m (kg) = (9pt) the work transfer, W (kl)...
Problem #4: Air is compressed in a piston cylinder from 1 bar, 17 °C such that the "2-30% v1 Assume polytropic compression with n - 1.3, negligible kinetic and potential energy changes, and ideal gas behavior. Determine the following. (a) the temperature of the exiting air, in °C; (b) the work and heat transfer, in kJ/kg (c) the entropy generated, in kJ/kgK, if heat transfer takes place at 520 K; (d) Also sketch the process on p-v and T-s diagrams...
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