Buoyancy-induced airflow in a side-heated structure consisting of a cubic box and vertical ducts

N. S. Buenconsejo, Tetsu Fujii, Shigeru Koyama

    研究成果: Contribution to journalArticle査読

    抄録

    Buoyancy-induced airflow in a box with one wall heated, an unheated inlet duct connected to its floor, and an exit duct with one side heated connected to its ceiling is experimentally investigated. A flow rate prediction method based on buoyancy and flow resistance balance is proposed and experimentally validated. The flow pattern and thermal stratification in the box; the flow resistance characteristics for low Reynolds numbers; the relationship among buoyancy, flow resistance, and pressure defect; the chimney effect caused by the exit duct; and the heat transfer characteristics of the heated walls are clarified. The flow rate, thermal stratification, and flow enhancement due to the chimney effect are considerably dependent on the size of the gap of the exit duct.

    本文言語英語
    ページ(範囲)603-612
    ページ数10
    ジャーナルExperimental Thermal and Fluid Science
    3
    6
    DOI
    出版ステータス出版済み - 1 1 1990

    All Science Journal Classification (ASJC) codes

    • 化学工学(全般)
    • 原子力エネルギーおよび原子力工学
    • 航空宇宙工学
    • 機械工学
    • 流体および伝熱

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