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Effect of Mixing Elements in Line Mixer on Mixing and Flow Characteristics

혼화 및 유동특성에 미치는 라인믹서 내 혼합요소의 영향

  • Yu, Dae-Gyeom (School of Mechanical Engineering, Chungbuk National University) ;
  • Lee, Kye-Bock (School of Mechanical Engineering, Chungbuk National University)
  • 유대겸 (충북대학교 기계공학부) ;
  • 이계복 (충북대학교 기계공학부)
  • Received : 2018.08.30
  • Accepted : 2018.10.05
  • Published : 2018.10.31

Abstract

This study investigates the effect of the mixing elements on the pressure loss and mixing performance in line mixer. The high density ozone water devices mixed with gas and liquid are used in various fields such as sterilizing of group feeding facilities and water quality management at a fish farm. Due to the decrease in rainfall due to climate change, pasteurization of drinking water from ground water and surface water is extremely important. Therefore, it is intended to develop a line-mixed gas liquid mixer with a small amount of space. In this study, the effects of the number of static mixers and the types and the number of the orifice used in line mixer on the volume fraction and the pressure loss were studied by CFD simulation. The pressure drops of line mixer with orifice which curved vanes were attached to were down to more than 50 percent of that of line mixer with static mixer whereas the mixing performance of the former was similar to that of the latter.

Keywords

Mixing Element;Orifice;Pressure Drop;Static Mixer;Volume Fraction

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