Problem

Saturated water with a quality of 0.25 and a temperature of 300°F enters an uninsulated di...

Saturated water with a quality of 0.25 and a temperature of 300°F enters an uninsulated diffuser at a velocity of 510 ft/s. The mass flow rate is 5.2 lbm/s.

(a) If the water is to exit as saturated water vapor at a temperature of 300°F, with a velocity of 25 ft/s, determine the necessary heat transfer rate.


(b) Using your model of a diffuser, determine the necessary heat transfer rates for the flow to exit as a saturated substance with qualities ranging from 0.40 to 1.0.


(c) Using your model of a diffuser, determine the necessary heat transfer rates for the flow to exit as a saturated vapor at 300°F, with exit velocities ranging from 0 ft/s to 300 ft/s.

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