이중원관의 혼합 유동특성에 관한 실험적 연구 An Experimental Study on the Mixing Flow Characteristics of Double Coaxial Jet
한국기계기술학회지
(韓國機械技術學會誌)
제18권 제1호
(2016.02)
pp.52-57
pp.52-57
한국기계기술학회
(Korean Society of Mechanical Technology)
초록
The flow acting on a confined jet flow can be represented as a conventional turbulence flow with its complex phase and characteristics. This is still effectively applied in a variety of industries, for example in ejectors. In this study coaxial confined model made of transparent acrylic pipe and driving water nozzle in order to figure out of recirculation flow near the wall of pipe and prove how flow in the pipe can be developed. It was revealed that length of the recirculation flow adjacent to wall of pipe was characterized to be larger when Reynolds Number is getting bigger.
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