Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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Liquid Flow Characteristics in 3D-Printed Rectangular Microchannel

3D 프린터 마이크로채널 제작 및 액상 물의 압력강하 특성에 관한 연구

  • Park, Jaehyun (Graduate school of Mechanical Engineering, Changwon Nati'l Univ.) ;
  • Park, Heesung (Graduate school of Mechanical Engineering, Changwon Nati'l Univ.)
  • 박재현 (창원대학교 대학원 기계공학과) ;
  • 박희성 (창원대학교 대학원 기계공학과)
  • Received : 2016.08.04
  • Accepted : 2016.09.27
  • Published : 2017.01.01
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Abstract

The validity of friction factor theory, based upon conventional-sized passages for microchannel flows, is an active area of research. The high surface to volume ratio of a microchannel offers many advantages over macroscale devices and processes. This study focused on the laminar flow (16$161{\mu}m$ to $664{\mu}m$ for single-phase liquid flow. A controllable syringe pump was used to provide flow while a differential pressure transducer was used to record the pressure drop. These results demonstrated that a 3D printer can drastically simplify custom microchannel fabrication and still support complex features, which are typically only accessible with advanced fabrication techniques.

마이크로채널은 단위체적당 표면적비가 높기 때문에 컴퓨터 마이크로 프로세서 냉각, 정밀 화학분석 및 바이오 분야로의 응용이 다양하게 적용 될 수 있어 많은 연구가 진행 중이다. 본 연구에서는 3D 프린터를 이용하여 사각 마이크로채널을 제작하였고, 실험에서 마이크로채널을 통과하는 액상 물은 탈이 온수를 사용하여 유량변화에 대한 압력강하를 측정하였다. 마이크로채널의 크기는 $161{\mu}m$에서 $664{\mu}m$로 변화시켜 제작하였으며, 유동의 레이놀즈 수는 16

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References

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