توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقاله‌های نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده می‌شوند.
۱CFD MODELING AND EXPERIMENTAL VALIDATION OF PARTICLE–TO–FLUID MASS AND HEAT TRANSFER IN A RANDOMLY PACKED BED OF CYLINDRICAL CATALYSTS
نویسنده(ها): ،
اطلاعات انتشار: پنجمین کنگره بین المللی مهندسی شیمی، سال
تعداد صفحات: ۹
The mass and heat transfer characteristics of a randomly packed bed of cylindrical particles were investigated. The goal of the present study is to assess whether commercial Computational Fluid Dynamics(CFD) software can be used to adequately predict the rate of mass and heat transfer from the cylindrical catalyst particles to the fluid in a randomly packed–bed. The simulations were done by FEMLAB ,commercial CFD software, and the results were validated by naphthalene sublimation mass transfer experiments. These experiments were carried out to obtain the corresponding Sherwood numbers from the sublimation rate of naphthalene based on which the Nusselt numbers were found by the use of analogy between mass and heat transfer. It is shown that the CFD code can predict the heat\mass transfer characteristics, with an acceptable average error compared to experimental values.<\div>

۲CFD Simulation of Heat Transfer from Finite Cylindrical Catalyst
نویسنده(ها): ،
اطلاعات انتشار: پنجمین کنگره بین المللی مهندسی شیمی، سال
تعداد صفحات: ۸
Three dimensional CFD modeling of steady state heat transfer from constant temperature finite cylindrical particle in cross flow for a wide range of Reynolds number have been reported. The effect of aspect ratio on heat transfer has been investigated with FEMLAB, commercial CFD software. The results show good agreement with experimental data from research papers and also experimental correlations. Based on these simulations, influence of aspect ratio on Nusselt number as a correction factor has been proposed for the experimental correlation which has been reported by Zhukauskas and Whitaker.<\div>
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