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사이드 채널형 재생블로워의 내부 유동 가시화

Visualization of Flow inside the Side Channel Type Regenerative Blower

  • 양현모 (한국기술교육대학교 대학원) ;
  • 이경용 (한국생산기술연구원 그린에너지설비센터) ;
  • 최영석 (한국생산기술연구원 그린에너지설비센터) ;
  • 정경석 (한국기술교육대학교 기계공학과)
  • Yang, Hyeonmo (Graduate School, Korea University of Technology and Education) ;
  • Lee, Kyoung-Yong (Green Energy System Technology Center, Korea Institute of Industrial Technology) ;
  • Choi, Youngseok (Green Energy System Technology Center, Korea Institute of Industrial Technology) ;
  • Jeong, Kyungseok (Department of Mechanical Engineering, Korea University of Technology and Education)
  • 투고 : 2013.07.01
  • 심사 : 2013.09.24
  • 발행 : 2013.10.01

초록

Visualization of internal flow of a regenerative blower has been made by injecting a tracer directly into the flow. For the convenience of visualization, working fluid has been replaced by water and marbling color oil has been used as a tracer. Oil droplet has been injected near the inlet of the blower and the streak has been recorded using a high speed camera with the illumination of high power light sources. At first, droplets have irregular motion in the near inlet area and enter into a groove of the impeller. Then the droplets circulate inside the groove while translated by the rotational motion of the impeller. When the droplets get out of the impeller groove, their speed is lower than that of impeller. And the droplets repeatedly enter into the groove and circulate inside the grooves. Then the droplets either flow to the outlet or reenter into the inlet area through stripper. Through this experimental study, internally circulating motion of the flow inside a regenerative blower has been characterized.

키워드

참고문헌

  1. 이경용, 최영석, 2005.12., "사이드채널형 재생블로워의 성능평가," 유체기계공업학회, 유체기계공업학회 2005 유체기계 연구개발 발표회 논문집, pp. 378-383.
  2. 송재욱, 2003.11., "재생형 유체기계의 성능해석에 관한 연구," 한국과학기술원 박사학위논문.
  3. Shimosaka Minoru, Yamazaki Shinzo, 1960, "Research on the Characteristics of Regenerative pump(1st Report)," Bulletin of JSME, Vol. 3, No. 10, pp. 185-190. https://doi.org/10.1299/jsme1958.3.185