Saturated liquid-vapor mixture of water, called wet steam, in a steam line at 20

Question

Saturated liquid-vapor mixture of water, called wet steam, in a steam line at 2000 kPa is throttled to 100 kPa and 120 degree C. What is the quality in the steam line? Answer:0.957 A hot-water stream at 80degreeC enters a mixing chamber with a mass flow rate of 0.5 kg/s where it is mixed with a stream of cold water at 20degreeC. If it is desired that the mixture leave the chamber at 42degreeC. determine the mass flow rate of the cold-water stream. Assume all the streams are at a pressure of 250 kPa. Answer. 0.865 kg/s

Explanation / Answer

Solution:
The hot water stream at 80

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