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Experimental Study of Spray Characteristics on the Throttleable Dual Manifold Injector  

Youn, Jung-Soo (서울대학교 대학원 기계항공공학부)
Kim, Sung-Hyuk (서울대학교 대학원 기계항공공학부)
Yoon, Young-Bin (서울대학교 항공우주신기술연구소)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.15, no.3, 2011 , pp. 22-30 More about this Journal
Abstract
There is a many way of LPRE throttling methods, high-pressure-drop systems, dual-manifold injector, gas injection, multiple chambers, pulse modulation and movable injector components. Especially dual-manifold injector is essentially combines two fixed-area injectors into a common structure, with independent feed systems controlling flow to each injector manifold. In this paper, using indirect photography and liquid film thickness measurement with various injection pressure and tangential entry diameter to decide stability of spray over a wide thrust range in dual manifold injector.
Keywords
Dual-manifold Injector; Throttleable; Spray Angle; Breakup Length; Film Thickness;
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