Proceedings of the KSME Conference (대한기계학회:학술대회논문집)

The Korean Society of Mechanical Engineers (대한기계학회)
권호 표지

Flow characteristics of high pressurized jet with aspect ratio

형상비에 따른 고압 분사 노즐의 유동 특성 연구

  • 노병준 (전북대학교 기계항공시스템공학부, 전북대학교 공업기술 연구센터) ;
  • 정우태 (전북대학교 대학원 정밀기계과) ;
  • 이상진 (전북대학교 대학원 정밀기계과) ;
  • 김성민 (한국전력연구원)
  • Published : 2003.11.05
Download PDF
⟨ Previous Next ⟩

Abstract

The aspect ratio is the main parameter which governs the outer flow pattern and nozzle performance. And in this study, some flow characteristics with the variation of nozzle aspect ratios such as mean pressure distributions along the center line of the outer flow, flow coefficients and the diffusion angles have been experimentally investigated. Through the experimental analysis, the higher aspect ratio was known to decrease the jet kinetic energy because of the friction losses at the outer of nozzle. As the result, it is found that the nozzle performance depends mainly on the aspect ratio of nozzle.

Keywords