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  • transient heat flux measurement of natural convection in an inclined enclosure with time-periodically-varying wall temperature

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 780
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the transient natural convection in an inclined enclosure filled with water is studied experimentally for the time-periodically-varying wall temperature on one side wall and constant average temperature on the opposing side wall. this system has no temperature difference between the opposing two side walls in time-averaged sense. the temperatures of two opposing walls and the heat flux across the enclosure are measured by a heat flux meter. based on the experimental results, the effects of time-periodically-varying wall temperature and inclined angles of the enclosure on heat transfer characteristics are studied. the experimental results show that, with the upper wall temperature oscillating, the heat flux across the enclosure is also periodically varied with time, and the net heat flux is from the lower wall to the upper wall. numerical computations are also conducted and numerical results are qualitatively assured by the experimental measurements.

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