• infrared imaging of temperature profiles in microreactors for fast and exothermic reactions

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 548
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     though microreactors provide high heat transfer rates, temperature profiles are formed in case of fast and highly exothermic reactions. a method based on non-intrusive infrared thermometry has been developed to track these profiles quantitatively with a resolution of 250 data points/cm2 and a precision of 1 °c. by placing the microreactor at a pressure of 10−2 mbar, convective heat losses are efficiently suppressed which assures well defined boundaries and reproducible results. the temperature profiles of the fast and exothermic hydrolysis of tetraethoxysilane were measured inside a microcapillary at different flow rates via infrared transparent window. in the reactor provided with a cooling system, the heat transfer coefficient was determined by thermal imaging for different operating conditions. the data obtained are in good agreement with the values reported in literature.

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