How does state of the air that flows out change
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Find the final temperature and mass, assuming a reversible adiabatic process for the air remaining inside the tank.
If the process is adiabatic and reversible, find the final mass in the tank and the turbine work output.
A supply line is supplied by an insulated compressor that takes in R-134a at 5oC. Calculate the total work input to the compressor to charge the tank.
To increase the work out of a turbine for given inlet and exit pressures, how should the inlet state be changed?
A tank contains air at 400 kPa, 300 K, and a valve opens up for flow out to outside which is at 100 kPa, 300 K. How does state of the air that flows out change?
Consider the cooling to be a reversible process and find the specific heat transfer from the entropy equation.
Steam enters a turbine at 3 MPa, 450oC and expands in a reversible adiabatic process. What is the mass flow rate of steam through the turbine?
Determine the exit pressure and cross-sectional area of the nozzle if the mass flow rate is 0.15 kg/s and the expansion is reversible and adiabatic.
Assume you do not know that there is no work. Prove that there is no shaft work using the first and second laws of thermodynamics.
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