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확대유로에서 정방형주 영향에 의한 후류특성에 관한 연구 A Study on Wake Characteristics in a Divergent Flow with Square Prism

박병훈, 조대환
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한국기계기술학회지 (韓國機械技術學會誌)
제18권 제1호 (2016.02)
pp.58-63
한국기계기술학회 (Korean Society of Mechanical Technology)
초록

In this study, we have modeled the rear side of the HVAC diffuser with square prism and tried to investigate the influence of a wake flow by PIV and a numerical analysis using computational fluid dynamics based on steady-state Navier-Stokes equation and standard k-ε model. A commercial CFD program, FLUENT, is used on the analysis. The wake is generated by a square prism, which is installed at the divergent flow. The results show that a fluid are distributed up and down directions of prism, and the recirculation regions are decreased.

키워드
Square Prism(정방형주)Divergent Flow(확대유로)Vortex(와류)PIV(입자영상유속계)Numerical Analysis(수치해석)Wake Characteristics(후류특성)
저자
  • 조대환(Member, Faculty of Marine Engineering of Mokpo National Maritime University) | Dae-Hwan Cho Corresponding Author
  • 박병훈(Mokpo National Maritime University) | Byong-Hun Park