A kilogram of water is contained on a cylinder-piston system and operates as a heat pump...
A kilogram of water is contained on a cylinder-piston system and operates as a heat pump The processes are:
1-2: constant vlume heating from P1=5 bar and
T1=160° until P2=10 bar
2-3: constant pressure cooling until saturated vapor
3-4: constant volume cooling untl T4=160°
4-1: isotermic expansion with Q4-1= 815.8 kJ
Draw the cycle in diagrams P-v and T-v. Determine the performance
coefficient, γ, for the heat bomb.
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A kilogram of water is contained on a cylinder-piston system and
operates as a heat pump...
One kilogram of water vapor as an ideal gas is contained in a piston. cylinder system...
One kilogram of water vapor as an ideal gas is contained in a piston. cylinder system at a pressure of 1 bar and a temperature of 120 C. It is compressed adiabatically and irreversibly up to 200 bar. Calculate the work done by the vapor in kJ.
Referring to the figure shown below, water contained in a piston–cylinder assembly, initially at 1.5 bar...
Referring to the figure shown below, water contained in a piston–cylinder assembly, initially at 1.5 bar and a quality of 60%, is heated at constant pressure until the piston hits the stops. Heating then continues until the water is saturated vapor. The initial height, L1, is 0.05 m and the change in height, L2, is 0.03 m. For the overall process of the water, evaluate the work and heat transfer, each in kJ/kg. Kinetic and potential effects are negligible.
Please answer fast Saturated liquid at a pressure 200 bar is contained in a piston-cylinder system...
Please answer fast
Saturated liquid at a pressure 200 bar is contained in a piston-cylinder system at a volume of V 0.01 m3. The system undergoes a two-step process, which is the following: (1) A constant volume cooling process to a temperature of 200°C; and (2) A constant pressure expansion to 320°C following process 1. Determine the work and heat transfer for both processes and show the processes on p-v and t-v diagrams.
1.Water vapor contained in a piston–cylinder assembly undergoes an isothermal expansion at 277°C from a pressure...
1.Water vapor contained in a piston–cylinder assembly undergoes an isothermal expansion at 277°C from a pressure of 5.1 bar to a pressure of 2.7 bar. Evaluate the work, in kJ/kg. 2.Nitrogen (N2) contained in a piston–cylinder arrangement, initially at 9.3 bar and 437 K, undergoes an expansion to a final temperature of 300 K, during which the pressure–volume relationship is pV1.1 = constant. Assuming the ideal gas model for the N2, determine the heat transfer in kJ/kg. 3.Argon contained in...
Eight (8) kilogram of saturated vapor of refrigerant R-134a is contained in a closed frictionless piston-cylinder...
Eight (8) kilogram of saturated vapor of refrigerant R-134a is contained in a closed frictionless piston-cylinder device at a pressure of 200 kPa. Heat is then transferred to the refrigerant. At the end of the process, the refrigerant has a temperature of 70 °C. Determine the amount of heat that is transferred during the process. Also, show the process on a T-v diagram with respect to the saturated liquid and vapor lines. (35 points).
Water in a piston-cylinder assembly is initially at a pressure of 10 bar and a temperature...
Water in a piston-cylinder assembly is initially at a pressure of 10 bar and a temperature of 500 C. The water is cooled and compressed at constant pressure until it becomes a saturated vapor. The water is then cooled at a constant volume until it reaches a temperature of 150 C. a) Sketch both processes on T-v and p-v diagrams (v here is specific volume). b) Determine the total work for the overall processes. c) Determine the heat transfer for...
Saturated water vapor which is initially at 500 kPa is contained in a piston-cylinder device arranged...
Saturated water vapor which is initially at 500 kPa is contained in a piston-cylinder device arranged to maintain a constant temperature. The piston is now moved until the water becomes a saturated liquid. How much work and how much heat (in kJ/kg) are transferred during this process?
Need Help with Thermodynamics Water vapor contained in a piston–cylinder assembly undergoes an isothermal expansion at...
Need Help with Thermodynamics Water vapor contained in a piston–cylinder assembly undergoes an isothermal expansion at 239°C from a pressure of 5.6 bar to a pressure of 3.4 bar. Evaluate the work, in kJ/kg. ------------------------------------------------------------------------------------------------------------------------------------------------------------------- Water, initially saturated vapor at 10.7 bar, fills a closed, rigid container. The water is heated until its temperature is 200°C. For the water, determine the heat transfer, in kJ/kg. Kinetic and potential energy effects can be ignored.
Answer: W/m=20.94kJ/kg Q/m=1705 kJ/kg Applying the Energy Balance Referring to Fig. P3.71, water contained in a...
Answer: W/m=20.94kJ/kg
Q/m=1705 kJ/kg
Applying the Energy Balance Referring to Fig. P3.71, water contained in a piston-cylinder assembly, initially at 1.5 bar and a quality of 20%, is heated at constant pressure until the piston hits the stops. Heating then continues until the water is saturated vapor. Show the processes of the water in series on a sketch of the 7-vdiagram. For the overall process of the water, evaluate the work and heat transfer, each in kJ/kg. Kinetic and potential...
A mass of 5.5 kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder...
A mass of 5.5 kg of saturated liquid-vapor mixture of water is contained in a piston-cylinder at 101.325 kPa. Initially, 2.3 kg of the water is in the liquid phase and the rest is in the vapor phase. Heat is now transferred to the water, and the piston, which is resting on a set of stops, starts moving when the pressure inside reaches 300 kPa. Heat transfer continues until the total volume increases by 21 percent. Determine: a) the initial...
Please answer fast
Saturated liquid at a pressure 200 bar is contained in a piston-cylinder system at a volume of V 0.01 m3. The system undergoes a two-step process, which is the following: (1) A constant volume cooling process to a temperature of 200°C; and (2) A constant pressure expansion to 320°C following process 1. Determine the work and heat transfer for both processes and show the processes on p-v and t-v diagrams.
Eight (8) kilogram of saturated vapor of refrigerant R-134a is contained in a closed frictionless piston-cylinder device at a pressure of 200 kPa. Heat is then transferred to the refrigerant. At the end of the process, the refrigerant has a temperature of 70 °C. Determine the amount of heat that is transferred during the process. Also, show the process on a T-v diagram with respect to the saturated liquid and vapor lines. (35 points).
Answer: W/m=20.94kJ/kg
Q/m=1705 kJ/kg
Applying the Energy Balance Referring to Fig. P3.71, water contained in a piston-cylinder assembly, initially at 1.5 bar and a quality of 20%, is heated at constant pressure until the piston hits the stops. Heating then continues until the water is saturated vapor. Show the processes of the water in series on a sketch of the 7-vdiagram. For the overall process of the water, evaluate the work and heat transfer, each in kJ/kg. Kinetic and potential...
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