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

The Korean Society of Mechanical Engineers (대한기계학회)
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Measurements of Five-Hole Pressure Probe on Swirling Flow Fields of Gun-Type Gas Burner for Furnace

온풍난방기용 Gun식 가스버너의 스월유동장에 대한 5공압력프로브의 측정

  • 김장권 (군산대학교 동력기계시스템공학과) ;
  • 오석형 (군산대학교 기계공학부)
  • Received : 2014.06.27
  • Accepted : 2014.08.28
  • Published : 2014.12.01
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Abstract

This study investigated the swirling flow fields of a gun-type gas burner (GTGB) without a combustion chamber under cold flow conditions. Three velocity components and the static pressure were measured with a straight-type five-hole pressure probe (GHPP) using a non-nulling calibration method and compared with the results of an X-type hot-wire probe (X-probe) and computational fluid dynamics (CFD). The GHPP measured the velocity and static pressure for the swirling flow of the central region of the GTGB better than the X-probe but produced slightly worse results than the CFD.

이 연구는 Gun식 가스버너의 스월유동장을 연소실과 화염이 없는 상태에서 직선형 5공압력프로브의 측정을 통해 고찰하였다. 직선형 5공압력프로브에 의한 속도 및 정압성분들은 넌널링 교정방법에 의해 연산하였으며, X형 열선프로브와 전산유체역학의 해석에 의한 결과들과 비교하였다. 결과적으로 Gun식 가스버너의 중심부에서 스월유동장에 대해 5공압력프로브에 의한 속도 및 정압의 측정값들은 비교적 X형 열선프로브에 의한 경우보다는 좋은 성능을 보였으나 전산유체역학의 해석에 의한 경우보다는 다소 미흡한 결과를 보였다.

Keywords

References

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