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A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor-compression cycle between 0.12 and 0.7 MPa. The mass flow rate of the refrigerant is 0.05 kg/s. Show the cycle on a T-s diagram. Determine: a. The rate of heat removal from the refrigerated space. b. The power input to the compressor. c. The rate of heat rejection to the environment. d. The COPR. e. The COPR of a Carnot refrigeration cycle operating between Tsat(0.12MPa) and Tsat(0.7MPa) for R-134a.
A table shows values of a force function f(x), where x is measured in meters and f(x)in newtons. Use Simpson's Rule to estimate the work dome by the force in moving an object a distance of 18m
consider a rankine cycle with a single regenerative feed-water heater. the steam enters the turbine at 30 bar 400c and
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