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Heat transfer metrology issues in two-phase bubble column reactors

Abstract : The metrology and the impact of various parameters and operating conditions on the bulk-to-tube heat transfer coefficients in two-phase bubble columns are investigated on a small-scale mock-up. It is shown that (1) quasi-adiabatic conditions can be reached in the column; (2) the bulk-to-tube heat transfer coefficients for each U-tube downward and upward sections may or may not differ significantly, depending on the way uncertainty of the measurements is estimated; (3) using the different measurements and uncertainty estimates for given conditions, a mean heat transfer coefficient over all tubes is estimated within +/- 5%. The consequences for bulk-to-tube heat transfer coefficient prediction in a larger column are discussed.
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Submitted on : Thursday, November 15, 2018 - 2:10:38 PM
Last modification on : Thursday, August 4, 2022 - 5:13:39 PM

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Pierre-Emmanuel Béliard, Daniel Schweich, Patrice Clement, Paola Gauthier-Maradei, Nicolas Dromard. Heat transfer metrology issues in two-phase bubble column reactors. Canadian Journal of Chemical Engineering, 2010, 88 (4), pp.543-550. ⟨10.1002/cjce.20313⟩. ⟨hal-01923761⟩



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