3 - 4 Work Out Problems 1 Air enters the compressor of a...

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Unformatted text preview: 4 Work Out Problems 1. Air enters the compressor of a Bravton cycle at $1 = 14 psia, T1 = 520m. The compressor is isentropic and has a pressure ratio of 153124. The temperature at the turbine inlet is 2500°R. The isentropic efficiency of the turbine is 90%. The air has a uolu metric flow rate of 63.?83 flats at the entrance to the compressor. a]: Draw the cycle on a T5 diagram [5 pts] 6 {a {e l' Assuming variable specific heats, determine: _ b] The net power of the cycle [5 pts] P :- i‘Lf PS i 6’1 c} Thethermalefficiencvls pt's) 0 cl] The backwork ratio [5 ptsi T: 5 3.0 E i? t tr h : :2 4.2 7 Te" h {Btuflbmi F _ l "1 mu v r * * l ”I ? 1255 28 123i: . Pr .a—a‘g'r :2 I5. 3129' :2 .3; 1.1M? Prg318.60 —> T2: H20 ”R §tete #5 Stet-e; 2 f: 15.3111: P, : Jill-37 r9” Pr; 3435. 7 7:: law flawemresg a ...
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