• experimental study of the convective heat transfer from a rotating disc subjected to forced air streams

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 639
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the convective heat transfer from a rotating disc subjected to forced streams of air has been investigated experimentally by means of an electrically heated disc in a wind tunnel. mean heat transfer coefficients have been obtained for a wide range of air crossflow velocities and rotational speeds. the influence of finite disc thickness and incidence (angle of attack) on heat transfer has been investigated. the extreme conditions of a stationary disc in a crossflow and a rotating disc in still air have been considered, too. concerning the onset of rotational heat transfer augmentation it is found that a universal ratio exists between the rotational and the crossflow reynolds numbers.

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