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Paper Information

Journal:   AEROSPACE MECHANICS JOURNAL   MAY 2007 , Volume 3 , Number 1; Page(s) 11 To 21.
 
Paper: 

DUAL BASE SWIRL INJECTOR DESIGN FOR INCREASING SPECIFIC IMPLUSE IN A LIQUID-FUEL ROCKET ENGINE

 
 
Author(s):  OMI F., MOVAHEDNEZHAD E., KARGAR A.*
 
* ENGINE AND PROPULSION LAB., SCHOOL OF ENG., TARBIAT MODARRES UNIV.
 
Abstract: 

In this article, the fundamental calculations of swirl injectors were investigated and the design method for these kinds of injector, i.e. dual-base liquid-liquid injectors, was presented based on this theory and some experimental results. Then, some special conditions related to dual based liquid-liquid injectors were studied and the corresponding results were considered in the design manipulation. The behavior of injector in various performing conditions and mutual effects on twin spray envelopes in dual base injector were investigated, and the design procedure was presented based on the obtained results. Finally, the computer code for designing this type of injector was proposed. Using this code, some injectors were designed and tested. The results were satisfactory.

 
Keyword(s): LIQUID PROPELLANT ROCKET, SWIRL DUAL BASE INJECTOR, PROPULSION, SPRAY CONE, SPRAY ANGLE
 
References: 
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