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산업환기시스템 토출 장치의 균일류 형성기술 개발연구 원문보기
Development of Design Criteria on the Formation of Uniform Flow for Supply Device in Industrial Ventilation System

  • 저자

    서회경

  • 학위수여기관

    昌原大學校 大學院

  • 학위구분

    국내석사

  • 학과

    환경·화공시스템공학과 환경공학전공

  • 지도교수

  • 발행년도

    2003

  • 총페이지

    iii, 34p.

  • 키워드

    산업환기시스템 토출 장치 균일류 형성기술 환기시설;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T9471480&outLink=K  

  • 초록

    In this study, the design parameters of forming the uniform face velocities were sought by using computational fluid dynamics(CFD). The plenum type supply hood with perforated hood face was chosen for this study because this type of hood might be the most general hood to be considered. The possible influencing parameters for uniform flow were selected as 1) the perforated plate hole size, 2) the ratio of open face area to plenum cross-sectional area, 3) the hood face velocity, 4) the plenum depth and 5) the duct mean velocity. Mean face velocity of hood with various conditions was predicted by using commercially available CFD code, AIRPAK(Ver. 2.0). For numerical simulation, the standard k-ε turbulence model was applied for solving the flow filed in front of hoods. The result of using one-way ANOVA, significant parameters affecting the uniformity of hood face velocity were proved to be the hood face velocity, the opening ratio and the duct velocity while the others were insignificant. Subsequently, the effect of significant parameters was more closely tested to develope the design guideline for achieving the uniform flow condition.


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