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http://dx.doi.org/10.3795/KSME-B.2012.36.5.495

Spray Characteristics of Single and Double Liquid Jets in Crossflow  

Yoon, Hyun-Jin (Dept. of Mechanical Engineering, Kyungpook Nat'l Univ.)
Hong, Jung-Goo (Dept. of Mechanical Engineering, Kyungpook Nat'l Univ.)
Park, Cheol-Woo (Dept. of Mechanical Engineering, Kyungpook Nat'l Univ.)
Lee, Choong-Won (Dept. of Mechanical Engineering, Kyungpook Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.36, no.5, 2012 , pp. 495-501 More about this Journal
Abstract
Spray characteristics of liquid jets in crossflow, which can be observed in the liquid jet injection system of a gas turbine or ramjet engine, were experimentally investigated. By measuring liquid jet penetration in the case of single orifice and double orifice injectors, the experimental formula for jet penetration was modified to consider penetration distances greater than that considered in a previous study. The changes in spray characteristics resulting from changes in the liquid jet and crossflow pressure, including SMD and jet disintegration, were carefully studied. Specifically, the jet penetration was measured for different injector shapes, and in the case of a double orifice injector, the penetration of the rear orifice jet was found to be greater by approximately 20% ($L_h$ = 4 mm) compared to that in the case of a single orifice injector because of the influence of the front orifice.
Keywords
Jet in Crossflow; Jet Penetration; SMD;
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