Two-dimensional cfd model for the prediction of flow pattern.pressure drop and heat transfer coefficient in bubble column reactors

M.T.Dhotre; J.B.Joshi

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Two-dimensional cfd model for the prediction of flow pattern.pressure drop and heat transfer coefficient in bubble column reactors

机译：二维cfd模型的预测流模式。系数在泡罩塔反应堆

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In this paper,a CFD model has been developed for the prediction of flow pattern and eddy diffusivity profiles in bubble columns.A low Reynolds number k-epsilon model has been incorporated for the near-wall region.Simulations have been carried out for a wide range of superficial gas velocity (V_G),column diameter (D),column height (H_D) and the nature of the gas-liquid system.The model predictions have been compared with all the experimental data available in the literature.Complete energy balance has been established in all the cases.The validated CFD model has been extended for the prediction of pressure drop and heat transfer for two-phase gas-liquid flows in bubble columns.The predicted values of the two-phase friction multiplier and heat transfer coefficient were in good agreement with the experimental data.

机译：在这篇文章中,已经开发了CFD模型流模式和艾迪的预测扩散率泡沫列中的配置文件。雷诺数k-epsilon模型靠近壁面区域合并。进行了广泛的吗表面气体速度(V_G),柱直径(D)、列(H_D)和高度的性质气液系统。相比之下,所有可用的实验数据在文献中。在所有的情况下建立了。CFD模型扩展的预测对两相压降和传热气液流动泡沫列。价值的乘数和两相摩擦传热系数是在良好的协议与实验数据。

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来源
《Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers》 |2004年第6期|689-707|共19页
作者
M.T.Dhotre; J.B.Joshi;
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作者单位

Institute of Chemical Technology,University of Mumhai,Matunga,Mumbai,India;

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原文格式 PDF
正文语种英语
中图分类国际共产主义运动;
关键词
Thermal Conductivity; FLOW PATTERNS; Pressure declineExperimental databubble column reactorBubble columnslow Reynolds number;

机译：热导率;流动模式;压力declineExperimental databubble列reactorBubble columnslow雷诺数;

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Two-dimensional cfd model for the prediction of flow pattern.pressure drop and heat transfer coefficient in bubble column reactors

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