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흡입관이 부착된 이젝터의 속도분포와 압력분포 연구

A Study on the Velocity Profiles and Pressure Distributions in Ejector Linking Inhale Duct

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주제분류기계공학

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Abstract

The ejector is used to obtain a vacuum state, and it has been applied to a lot of industry field such as a heat engine, a fluid instrument power plant, a food industry, an environment industry etc., because there is no problem even it is mixed with any kind of liquid, gas, and solid. The flow characteristics in the ejector was investigated by a PIV and a CFD. The agreement between numerical analysis and experiment shows the validity of this study and the results of this study would be useful to the engineers who design for the flow systems for heating, ventilation, air conditioning and wastewater purification plants.

참고문헌 (7)

  1. Koh.Y.H, "A Study on Turbulent Characteristics of Developing Turbulent Steady and Unsteady Flows in the Entrance Region of a Square Duct" (1992), Ph.D Thesis. Chosun. Univ.
  2. Sun, "Recent developemets in the design the-ories and applications of Ejectors-a review", 68, pp.665~676 (1995)
  3. Witte, "Efficiency and design of liquid-gas ejector", 10, pp.9602~607 (1965)
  4. M.N, "Momentum Transfer in Horizontal Engineering multi-jet liquid-gas ejector", 59, pp.634~637 (1989)
  5. 윤석훈, "각종 이젝터를 이용한 진공 냉각장치", pp.229~304 (1995)
  6. 오석영, "혼합탱크 내의 임펠라 형태에 따른 유동 특성에 관한 수치해석", pp.454~459 (2001)
  7. 이행남, "흡입관이 부착된 이젝터의 효과에 관한연구", pp.107~112 (2003)

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