Maurice Tutor

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Category > Computer Science Posted 13 Jul 2017 My Price 4.00

evaporator of a refrigeration system

Refrigerant-22 absorbs heat from a cooled space at 50°F as it flows through an evaporator of a refrigeration system. R-22 enters the evaporator at 10°F at a rate of 0.08 lbm/s with a quality of 0.3 and leaves as a saturated vapor at the same pressure. Determine (a) the rate of cooling provided, in Btu/h, (b) the rate of exergy destruction in the evaporator, and (c) the second-law efficiency of the evaporator. Take T0 5 778F. The properties of R-22 at the inlet and exit of the evaporator are: h1 = 107.5 Btu/lbm, s1= 0.2851 Btu/lbm·R, h2 = 172.1 Btu/lbm, s2 = 0.4225 Btu/lbm·R.

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Maurice Tutor
(5)
Status NEW Posted 13 Jul 2017 07:07 PM My Price 4.00

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