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تحقیق و طراحی مهندسی شیمی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • influence of solids on macro-instabilities in a stirred tank

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 600
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     measurements were conducted in a cylindrical tank stirred with a pbt in order to study the effect of varying amounts of suspended solids, up to 11.8% by volume, on the frequency and amplitude of macro-instabilities (mi). solid glass particles of three different sizes were used in order to investigate the influence of the particle stokes number. measurements were made at 18 different locations in the vessel using laser doppler anemometry (lda) and were evaluated with the lomb algorithm to obtain the frequency spectrum of the liquid flow. the results showed that the mi frequency is not influenced by the addition of solids. however, the mi amplitude was reduced by the addition of the solid phase although still detectable up to the highest concentration measured (11.8 vol.%). in the studied system there seems to be a difference dependent on the particle stokes number.

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