한국유체기계학회 논문집 (The KSFM Journal of Fluid Machinery)

한국유체기계학회 (Korean Society for Fluid machinery)
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질량유량 증폭기 형상변화에 따른 유동 특성 연구

Flow Characteristics of Mass Flow Amplifier with Various Geometrical Configurations

  • 이정민 (성균관대학교 대학원 기계공학과) ;
  • 강현수 (성균관대학교 대학원 기계공학과) ;
  • 김윤제 (성균관대학교 기계공학부)
  • Lee, Jeong-Min (Graduate school of Mechanical Engineering, SungKyunKwan University) ;
  • Kang, Hyun-Su (Graduate school of Mechanical Engineering, SungKyunKwan University) ;
  • Kim, Youn-Jea (School of Mechanical Engineering, SungKyunKwan University)
  • 투고 : 2015.05.25
  • 심사 : 2016.02.26
  • 발행 : 2016.04.01
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초록

Mass flow amplifier, which is an aerodynamic device, makes air flow increased by ejecting small amount of compressed air with $Coand{\breve{a}}$ effect. In this study, the flow characteristics of a mass flow amplifier were studied with various flow conditions and geometrical configurations. In order to improve the performance of mass flow amplifier, various values of clearance, diffuser angle and the aspect ratio of induced flow inlet to outlet were considered as design parameter. Furthermore, four different pressure conditions of compressed air were also considered. Numerical study was performed using the commercial CFD code, ANSYS CFX 14.5 with shear stress transport(SST) turbulent model. The results of pressure and velocity distributions were graphically depicted with different geometrical configurations and operating conditions.

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참고문헌

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