A Piston system is compressed to a volume of 0.0125 m3 and the air temperature of...
A Piston system is compressed to a volume of 0.0125 m3 and the air temperature of 375 K. The piston compress to a volume of 0.005 m3. What will be the final temperature?
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A Piston system is compressed to a volume of 0.0125
m3 and the air temperature of...
Air is being compressed in a piston-cylinder device in a reversible and adiabatic manner. During the...
Air is being compressed in a piston-cylinder device in a reversible and adiabatic manner. During the process both the temperature and pressure of the gas increase, while the volume is decreasing. If the initial volume and temperature of the air are 3 m3 and 13 °C, respectively, and the final volume is measured to be 0.3 m3, the final temperature of the air is
A piston cylinder device contains air with a volume of 0.05 m3 at 25oC and 100...
A piston cylinder device contains air with a volume of 0.05 m3 at 25oC and 100 kPa pressure. The gas is now compressed to a final temperature of 95oC at 250 kPa. This compression is polytropic and follows PVn=constant. a. Determine how much boundary work was added to the gas [in kJ] b. How much heat was added or removed from this system during this process? [in kJ]
Consider a piston-cylinder device (system) that contains 0.06 m3 of air at 300 kPa and 125...
Consider a piston-cylinder device (system) that contains 0.06 m3 of air at 300 kPa and 125 ̊C. (a) If the volume of air in the device increases to 0.15 m3 while the pressure remains constant, determine the work done by the system during the process. (b) If as a result of heat transfer to the surrounding, the pressure and temperature in the device drop to 240 kPa and 55 ̊C, respectively, and the piston is held such that the volume...
AIR A 45-cm piston-cylinder system contains 0.65 m3 of air. At the position shown, there is...
AIR A 45-cm piston-cylinder system contains 0.65 m3 of air. At the position shown, there is no force in the spring (k = 2.5 kN/m), and the pressure and temperature are 1,100 kPa and 350 °C respectively. Heat is transferred to the air until its volume increases 30 %. Determine: a) The final temperature and pressure of the air in °C; b) the change in total internal energy of the air in kJ.
1. Air in a cylinder with a volume of 500 cm3 is compressed by a piston...
1. Air in a cylinder with a volume of 500 cm3 is compressed by a piston to a volume of 150 cm3. If the initial air pressure is 5 x 104 Pa (N/m2), what is the pressure in the cylinder after compression? (Assume that this is a slow process, and that T remains constant.) 8. The sample of gas in Question 2 is contained in a rigid closed container. If the pressure of the gas is 1013 mb at 20°C, what...
5. Air expands isothermally constant temperature) in a closed, piston-cylinder device. The original state is given...
5. Air expands isothermally constant temperature) in a closed, piston-cylinder device. The original state is given by pı = 20 MPa, T = 1000 K. the process continues until the pressure drops to 2 MPa. The original volume of the air is V1 = 1 m². Determine the following: a. the mass of the air in the system, in kg. b. the final density of the air, in kg/m". Remember, Rair = 0.287 kJ/kg-K c. the final volume of the...
Thermodynamics A piston-cylinder system contains 0.005 m3 of liquid water and 0.8 m3 of water vapor...
Thermodynamics A piston-cylinder system contains 0.005 m3 of liquid water and 0.8 m3 of water vapor in equilibrium at 600 kPa. Heat is transferred at constant pressure until the temperature reaches 200ºC. a- Determine the initial thermodynamic state of the system. b- Find the initial temperature of water. c- Calculate the total mass of water in the cylinder. d- Find the final volume of the system. e- Sketch the above thermodynamic process on a P-V phase diagram.
A stoichiometric mixture of ethanol (C2H6O), octane (C8H18), and air initially at T1 = 300 K,...
A stoichiometric mixture of ethanol (C2H6O), octane (C8H18), and air initially at T1 = 300 K, P1 = 100 kPa, P2 =4500 kPa, and V1 = 5 liters (0.005 m3) is compressed in a piston-cylinder assembly in a polytropic process where n = 1.2 What is the final volume V2 (m3 ), the initial total volume of moles (kmol), and the final Temperature T2? NOTE: Universal gas constant: Ru = 8.314 k]/ kmolK Please show ALL steps and units with...
Piston Cylinder device contains a 0.32 m3 of air at an initial condition of 300 KPa,...
Piston Cylinder device contains a 0.32 m3 of air at an initial condition of 300 KPa, 500 K and is compressed isothermally to a final pressure of 700 kPa. For air, R= 287 J/Kg.K 1. Determine the work done during the process. 2. Determine if the work is done on the system or done by the system. 3. Plot the PV diagram showing all the states and numbers on it.
Piston Cylinder device contains a 0.32 m3 of air at an initial condition of 300 kPa,...
Piston Cylinder device contains a 0.32 m3 of air at an initial condition of 300 kPa, 500 K and is compressed isothermally to a final pressure of 700 kPa. For air, R= 287 J/Kg.K 1. Determine the work done during the process. 2. Determine if the work is done on the system or done by the system. 3. Plot the PV diagram showing all the states and numbers on it.
AIR A 45-cm piston-cylinder system contains 0.65 m3 of air. At the position shown, there is no force in the spring (k = 2.5 kN/m), and the pressure and temperature are 1,100 kPa and 350 °C respectively. Heat is transferred to the air until its volume increases 30 %. Determine: a) The final temperature and pressure of the air in °C; b) the change in total internal energy of the air in kJ.
5. Air expands isothermally constant temperature) in a closed, piston-cylinder device. The original state is given by pı = 20 MPa, T = 1000 K. the process continues until the pressure drops to 2 MPa. The original volume of the air is V1 = 1 m². Determine the following: a. the mass of the air in the system, in kg. b. the final density of the air, in kg/m". Remember, Rair = 0.287 kJ/kg-K c. the final volume of the...
Piston Cylinder device contains a 0.32 m3 of air at an initial condition of 300 kPa, 500 K and is compressed isothermally to a final pressure of 700 kPa. For air, R= 287 J/Kg.K 1. Determine the work done during the process. 2. Determine if the work is done on the system or done by the system. 3. Plot the PV diagram showing all the states and numbers on it.
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