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A gas turbine for an automobile is designed with a regenerator. Air enters the compressor of this engine at 100 kPa and 20 C. The compressor pressure ratio is 8; the maximum cycle temperature is 800 C: and the cold air stream leaves the regenerator 10 C coller than the hot air stream at the inlet of the regenerator. Assuming both the compressor and the turbine to be isentropic, determine the rates of heat addition and rejection for this cycle when it produces 150 kW. Use constant specific heats at room temperature.
a rigid tank contains 5lb of a two-phase liquid-vapor mixture of h2o initially at 26of with a quality of 0.6. heat
a helical compression spring is made of no. 18 .0147 in wire having a torsional yield strength of 108 kpsi. it has an
what is the difference between the pressure inside a soap bubble and atmospheric pressure for a 3-in-diameter bubble?
nitrogen gas at steady-state-steady-flow undergoes a compression provess through a well-insulated compressor. the inlet
an air standard brayton closed cycle receives air at 1 atm and 298 k. the upper temperature and pressure limits are 5
Find the needed length of the heated section of the tube and find the temperature of the water when it exits the heated section of the tube.
Consider a cold air-standard Diesel cycle. Operating data at principal states in the cycle are given in the table below.For k=1.4 Cv=0.718kJ/(kg*k), and Cp= 1.005 kJ/(kg*K)
Solve for the pressure of a gas using both equations at a temperature of 400K and a molar volume of 1x 10-4 m3/mol. For the van der Waals EOS, use parameters of a= 4.1x10-1 (m3/mol)2 Pa, and b=4.3x10-5 m3/mol.
a bar of aluminum is subjected to a tensile load of 15000 lbs. if the bar is 0.35 inches in diameter and 20 inches long
calculate the velocity at the exit of a diffuser when air at 100kpa and 20 degree c enters it with a velocity of 500ms
Entropy explained in this solution, Liquid H2O at 8 MPa and 40 degrees C is heated reversibly at constant pressure until the temperature reaches 600 degrees C
a man dives horizontally and to the right off the end of a 220 kg boat. the boat is initially at rest and the man
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