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RISS 인기검색어
- 검색키워드
- 저자 : Navid Sharifi (검색결과 1 건)
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An investigation on the supersonic ejectors working with mixture of air and steam
Maziar Shafaee,Mohsen Tavakol,Rouzbeh Riazi,Navid Sharifi 대한기계학회 2015 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.29 No.11
This study evaluated the performance of an ejector using two streams of fluids as suction flow. Three motive flow pressures were consideredwhen investigating ejector performance; the suction flow pressure was assumed to be constant. The suction flow consisted of amixture of air and steam and the mass fraction of air in this mixture varied from 0 to 1. The ejector performance curves were analyzed fordifferent mass fractions of air. The results indicate that variation of the mass fraction of air in the suction flow mixture had a significanteffect on ejector performance. At all motive flow pressures, the ejector entertainment ratio increased as the mass fraction of air in thesuction flow increased. The results also show that the sensitivity of ejector performance to variation in the mass fraction of air in the suctionflow decreases at higher motive flow pressures. An increase in motive flow pressure caused the transition from supersonic to subsonicflow to occur at higher ejector discharge pressures.
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