대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제20권3호
  • /
  • Pages.1005-1014
  • /
  • 1996
  • /
  • 1226-4881(pISSN)
  • /
  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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액체 로켓용 충돌형 Triplet 인젝터의 미립화 특성에 관한 연구

A study on spray characteristics of the triplet impinging stream type injector for liquid rocket

  • 박성영 (충남대학교 대학원 기계공학과) ;
  • 김선진 (충남대학교 대학원 기계공학과) ;
  • 박승운 (충남대학교 대학원 기계공학과) ;
  • 김유 (충남대학교 기계공학과)
  • Park, Sung-Young (Dept. of Mechanical Engineering, Graduate School of Chungnam National University) ;
  • Kim, Seon-Jin (Dept. of Mechanical Engineering, Graduate School of Chungnam National University) ;
  • Park, Seung-Woon (Dept. of Mechanical Engineering, Graduate School of Chungnam National University) ;
  • Kim, Yoo
  • 발행 : 1996.03.01
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초록

An experimental investigation has been carried out to examine the influence of injector design variables and operating conditions on the resultant drop size for triplet impinging streams injectors. The variables studied in this investigation are pressure drop, impinging angle, orifice length to diameter ratio, and impinging point distance. Droplet-size data are obtained using water as the propellant simulant by Malvern Particle Analyzer System. Drop size decreases with increasing impinging angle and pressure drop while other injector parameters remain constant at the same point. But it is found that there is no noticeable droplet-size change which results from change in orifice length to diameter ratio or impinging point distance within the investigated range.

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