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QUESTION 7 A piston-cylinder assembly contains 6kg of water that undergoes a series of processes to...
A piston-cylinder assembly undergoes a cycle consisting of the following three processes:
A piston-cylinder assembly undergoes a cycle consisting of the following three processes: • Process 1-2: Compression with constant internal energy • Process 2-3: Constant-volume cooling to p3 = 100 kPa, V3 = 0.1 m3 • Process 3-1: Constant-pressure expansion with W31 = 12 kJ Sketch the cycle on a p-V diagram, labeling each of the states and indicating the process directions with arrows. If the work for the entire cycle is Wcycle = -20 kJ and changes in kinetic and potential energy are negligible,...
A gas within a piston-cylinder assembly undergoes a thermodynamic cycle consisting of three processes: Process 1-2:...
A gas within a piston-cylinder assembly undergoes a thermodynamic cycle consisting of three processes: Process 1-2: Constant volume V1 = 2 m3, p1 = 1 bar, to p2 = 3 bar, U2 – U1 = 400 kJ. Process 2-3: Constant pressure compression to V3 = 1 m3. Process 3-1: Adiabatic expansion, with W31 = 150 kJ. There are no significant changes in kinetic or potential energy. Determine the net work for the cycle, in kJ, and the heat transfers for...
A piston-cylinder assembly contains air modeled as an ideal gas. The air undergoes a power cycle...
A piston-cylinder assembly contains air modeled as an ideal gas. The air undergoes a power cycle consisting of four processes in series: • Process 1-2: Constant-temperature expansion at 600 K from p1 = 0.5 MPa to p2 = 0.4 MPa. • Process 2-3: Polytropic expansion with n = 1.3 to p3 = 0.3 MPa. • Process 3-4: Constant-pressure compression to ν4 = ν1. • Process 4-1: Constant-volume heating. a) Sketch the cycle on a p-ν diagram. b) Calculate the work...
A gas undergoes a cycle in a piston-cylinder assembly consisting of the following three processes:
A gas undergoes a cycle in a piston-cylinder assembly consisting of the following three processes:Process 1-2: Constant pressure, p=1.4 bar, v₁=0.028 m³, w12=10 kJProcess 2-3: Compression with p V= constant, U₃=U₂Process 3-1: Constant volume, U₁-U₃=-25 kJThere are no significant changes in kinetic or potential energy.(a) Calculate the net work for the cycle, in kJ.(b) Calculate the heat transfer for process 1-2, in kJ.
One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas...
One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P, = 0.5 MPa to P2 = 0.4 MPa Process 2-3: Polytropic expansion with n=k to P; - 0.3 MPa Process 3-4: Constant-pressure compression to V4-V Process 4-1: Constant-volume heating. (a) Sketch the cycle on...
Argon is contained within a piston-cylinder assembly with initial state of V1 25 ft3 significant change...
Argon is contained within a piston-cylinder assembly with initial state of V1 25 ft3 significant change in kinetic or potential energy, undergoes a thermodynamic cycle consisting of three processes as follows: Process 1-2: Adiabatic expansion with P aV + c, where c- 15 in Hg, a constant, and V2 40 ft3 p1 70 in Hg, and with no Process 2-3: Compression with pV-constant, U2 U3. Process 3-1: Constant-volume with AU-0.5 BTU 1. For process 1-2, find the constant a (with...
Ammonia in a piston-cylinder assembly undergoes two processes in series. At the initial state, pi- 120...
Ammonia in a piston-cylinder assembly undergoes two processes in series. At the initial state, pi- 120 lbfin? and the quality is 100%. Process 1-2 occurs at constant volume until the temperature is 100°F. The second process, from state 2 to state 3, occurs at constant temperature, with Q23-98.9 Btu, until the quality is again 100%. Kinetic and potential energy effects are negligible. For 2.2 lb of ammonia, determine (a) the heat transfer for Process 1-2, in Btu, (b) the work...
A gas in a piston-cylinder undergoes the following 3 step cycle: Process A: constant pressure compression...
A gas in a piston-cylinder undergoes the following 3 step cycle: Process A: constant pressure compression from 0.3ft^3 to 0.1ft^3 Process B: constant volume pressure reduction from 50psi to 28psi Process C: polytropic expansion Draw the 3 processes on a P-V diagram, labeling all states, property values, and processes.
PROBLEM-4 (50%) One kg of air is in a piston-cylinder assembly. Air is modeled as an...
PROBLEM-4 (50%) One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P1 = 0.5 MPa to P2 = 0.4 MPa Process 2–3: Polytropic expansion with n=k to P3 = 0.3 MPa Process 3–4: Constant-pressure compression to V4 = V1 Process 4–1: Constant-volume heating. (a)...
C only please Question 1 (50 points) One kg of air is in a piston-cylinder assembly....
C
only please
Question 1 (50 points) One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P, = 0.5 MPa to P2 = 0.4 MPa Process 2–3: Polytropic expansion with n=k to Pz = 0.3 MPa Process 3-4: Constant-pressure compression to V4 = V....
One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P, = 0.5 MPa to P2 = 0.4 MPa Process 2-3: Polytropic expansion with n=k to P; - 0.3 MPa Process 3-4: Constant-pressure compression to V4-V Process 4-1: Constant-volume heating. (a) Sketch the cycle on...
Argon is contained within a piston-cylinder assembly with initial state of V1 25 ft3 significant change in kinetic or potential energy, undergoes a thermodynamic cycle consisting of three processes as follows: Process 1-2: Adiabatic expansion with P aV + c, where c- 15 in Hg, a constant, and V2 40 ft3 p1 70 in Hg, and with no Process 2-3: Compression with pV-constant, U2 U3. Process 3-1: Constant-volume with AU-0.5 BTU 1. For process 1-2, find the constant a (with...
Ammonia in a piston-cylinder assembly undergoes two processes in series. At the initial state, pi- 120 lbfin? and the quality is 100%. Process 1-2 occurs at constant volume until the temperature is 100°F. The second process, from state 2 to state 3, occurs at constant temperature, with Q23-98.9 Btu, until the quality is again 100%. Kinetic and potential energy effects are negligible. For 2.2 lb of ammonia, determine (a) the heat transfer for Process 1-2, in Btu, (b) the work...
A gas in a piston-cylinder undergoes the following 3 step cycle: Process A: constant pressure compression from 0.3ft^3 to 0.1ft^3 Process B: constant volume pressure reduction from 50psi to 28psi Process C: polytropic expansion Draw the 3 processes on a P-V diagram, labeling all states, property values, and processes.
PROBLEM-4 (50%) One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P1 = 0.5 MPa to P2 = 0.4 MPa Process 2–3: Polytropic expansion with n=k to P3 = 0.3 MPa Process 3–4: Constant-pressure compression to V4 = V1 Process 4–1: Constant-volume heating. (a)...
C
only please
Question 1 (50 points) One kg of air is in a piston-cylinder assembly. Air is modeled as an ideal gas with a constant specific heat ratio, k = 1.4. The air undergoes a power cycle consisting of four processes in series: Process 1-2: Constant-temperature expansion at 600 K from P, = 0.5 MPa to P2 = 0.4 MPa Process 2–3: Polytropic expansion with n=k to Pz = 0.3 MPa Process 3-4: Constant-pressure compression to V4 = V....
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