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http://dx.doi.org/10.7316/KHNES.2017.28.3.308

Three Dimensional Simulation Model of Fuel Delivery Jet Pump  

PARK, DAIN (Graduate school, Chungnam National University)
YUN, JIN WON (Graduate school, Chungnam National University)
YU, SANGSEOK (School of Mechanical Engineering, Chungnam National University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.28, no.3, 2017 , pp. 308-314 More about this Journal
Abstract
Jet pump in automotive fuel tank module is used to deliver fuel to fuel pump so that the pump is operated without aeration in suction side. In this study, three dimensional simulation model of jet pump is developed to understand performance variation over design parameters. Performance of jet pump is also investigated experimentally in terms of operating pressures. The experimental data is used to verify the three dimensional simulation model of jet pump. Verification results show that the three dimensional simulation model of jet pump is about 1% error with experiment. The simulations are conducted in terms of throat ratio and primary flow induction angle. As the throat ratio is increased, the flux ratio is trade-off at 3 times of throat diameter. On the other hand, as primary flow induction angle is increased, vapor pressure inside the nozzle is decreased. In summary, the results show that liquid jet pump has to be optimized over design parameters. Additionally, high velocity of induced flow is able to evolve cavitation phenomena inside the jet pump.
Keywords
Jet pump; 3D computational analysis; Flux ratio; Throat ratio; Primary flow induction angle; Cavitation;
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Times Cited By KSCI : 5  (Citation Analysis)
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