Volume 17, Issue 12 (2-2018)
Modares Mechanical Engineering 2018, 17(12): 354-360 |
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jalili B, Ommi F, Nourazar S. Experimental Study of Effective Factors on Liquid Jet Trajectory and Breakup in Gaseous Crossflow. Modares Mechanical Engineering 2018; 17 (12) :354-360
URL: http://mme.modares.ac.ir/article-15-11825-en.html
URL: http://mme.modares.ac.ir/article-15-11825-en.html
1- PhD student at Tarbiat modares university
2- Tarbiat Modares University, Jalal Ale Ahmad Highway, P.O.Box: 14115-111, Tehran, Iran
3- Associate Professor of university
2- Tarbiat Modares University, Jalal Ale Ahmad Highway, P.O.Box: 14115-111, Tehran, Iran
3- Associate Professor of university
Abstract: (3793 Views)
Jet injected transversely into a crossflow is used to the propulsion system such as, turbo jet engines, ram jet and scram jet engines and cooling of combustion chamber. Earliest research of a jet in a crossflow has been motivated by applications related to environmental problems such as plume dispersal from exhaust but gradually its application increased. In comparison to co-axial injection, transversely injection have a better efficiency. Difference in direction of injection helped to forming the smaller particles indeed, increases the combustion chamber performance. In this paper, effective factors on liquid jet trajectory and breakup are studied. Effect of nozzle geometry, Weber number and moment ratio of liquid jet to the air crossflow are investigated and equation of trajectory for elliptical and circular nozzle is obtained. In addition, length and height of breakup point are obtained and Show that the elliptical and circular liquid jet trajectory have different together. Also the breakup height equation has investigated and comparison to other study. These results are very important for designing of combustion chamber. The results compared to other researchers, the results shows, answers have a good compatibility and accuracy, and they are reliable and trustworthy.
Article Type: Research Article |
Subject:
other......
Received: 2017/09/28 | Accepted: 2017/12/2 | Published: 2017/12/15
Received: 2017/09/28 | Accepted: 2017/12/2 | Published: 2017/12/15
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