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AN EXPERIMENTAL ANALYSIS OF LIQUID AIR JET PUMP

V. W. Bhatkar, Anirban Sur
Frontiers in Heat and Mass Transfer (FHMT) 17 - 12 (2021)


Abstract


A jet pump or an ejector uses primary fluid flow as motive fluid to entrained secondary fluid. In this paper, the main intention is to find suction flow rate, primary flow rate, secondary flow rate, loss factors and ejector efficiency for an applied pressure. The values of the different loss factors estimated are primary nozzle loss factor (Kp)=0.06, suction loss factor (Ks)=0.04-0.1, mixing loss factor (Km)=0.07-0.1 and diffuser loss factor (Kd)=0.0289. It is found that with the increase in pressure across the ejector, efficiency increases with increase in flow ratio and decrease in pressure ratio.


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DOI: http://dx.doi.org/10.5098/hmt.17.12

ISSN: 2151-8629