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A gas refrigeration cycle with a pressure ratio of 3 uses helium as the working fluid. The temperature of teh helium is -10 degrees celsius at the compressor inlet and 50 degrees celsius at the turbine inlet. Assuming isentropic efficiencies of 80 percent for both the turbine and the compressor, determine (a) the minimum temperature in the cycle, (b) the coefficient of performance, and (c) the mass flow rate of 18 kW
The uniform rectangular plate is released from rest in the position shown. Determine the maximum angular velocity during the ensuing motion. Friction at the pivot is negligible.
shape memory alloys are metals that undergo a change in crystaline structure within a relatively narrow temperature
What is the compressor's steady state response when a 30kg absorber with a stiffness of 1.3*10^5 N/m is added to the end of the beam? Please determine how to change the absorber to minimize the response of the beam.
Estimate the torque required at the base of a flag pole to hold it in place in a 30mph wind. Assume the flag pole is a vertical cylinder with D=10cm and L=10m, and assume the wind drag force is uniform along the pole.
Steady State Thermal analysis can be use to simulate and obtain results to support the design optimization / objectives
a steam power plant implements an ideal reheat rankine cycle. steam enters the inlet of the high-pressure turbine at 8
a construction vehicle of mass 30 mg is used to unload sand in a horizontal line through a port on the bottom of the
Estimate the infiltration flow rate if the window is partially open (assuming the window open area is 2 meter squared).
in measuring the strains applied to a symmetrical i beam a full bridge is used. two strain gages are attached to the
How much heat is required to raise the temperature of 10 pounds of water from 50 degrees fahrenheit to 70 degrees fahrenheit?
Explain the differences between fire-tube boilers and water-tube boilers and discuss the major factors which affect the choice of boiler type for particular applications.
Cylinder problem, Determine the strains in thick walled cylindrical vessel with inside diameter 1000 mm and outside diameter of 1400 mm
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