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Journal of the Korea Institute of Military Science and Technology 2002;5(1):107-115.
Characteristics of the Spray and Combustion in the Liquid Jet
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1
2
수직 분사되는 연료제트의 분무 및 연소특성
윤현진, 문수연, 손창현, 이충원
1경북대학교 기계공학부 대학원
2경북대학교 기계공학부
Abstract
In this paper, spray and combustion characteristics of a liquid-fueled ramjet engine were experimentally investigated. The spray penetrations were measured to clarify the spray characteristics of a liquid jet injected transversely into the subsonic vitiated airstream, which Is maintained a high velocity and temperature. The spray penetrations are increased with decreasing airstream velocity, increasing airstream temperature, and increasing air-fuel momentum ratio. To compensate our results of penetrations, the new experimental equation were modified from Inamura's equation. In the case of insufficient penetration, the combustion phenomenon in ram-combustor were unstable. Therefore, the sufficient penetration must be considered to make a stable flame.
Key Words: Spray Mechanism, Liquid-fueled Ramjet Engine, Vitiated Air Heater, Fluid Visualization, Jet Penetration, Flame Stability


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