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A Study of Core Water Injection Effect Influencing Plume in 75 tf $1^{st}$ Stage Liquid Propellant Rocket Engine Ground Test  

Moon, Yoon-Wan (한국항공우주연구원 발사체엔진팀)
Seol, Woo-Seok (한국항공우주연구원 발사체엔진팀)
Publication Information
Aerospace Engineering and Technology / v.10, no.1, 2011 , pp. 129-135 More about this Journal
Abstract
A study of efficient plume cooling by core water injection type was performed by computational fluid dynamics. A side injection type is well known, on the contrary, a core injection type is not well known. In order to figure out the characteristics of core injection type, several calculations were performed by computational fluid dynamics along various mass flow rates and locations of water injection. On the basis of analysis it was the adequate cooling condition that water mass flow rate to total mass flow rate was two times at least and location of water injections was L/De=1.2.
Keywords
liquid rocket engine; plume; cooling; water injection; core injection; total temperature;
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