课题基金 / 基金详情

Fluid Flow, Pressure Drop, and Heat and Mass Transfer in Packed Beds at Moderate Reynolds Numbers

Fluid Flow, Pressure Drop, and Heat and Mass Transfer in Packed Beds at Moderate Reynolds Numbers
中等雷诺数下填充床中的流体流动、压降以及传热传质
批准号:
9526149
负责人:
Donald Koch
金额:
$26.5万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1996
资助国家:
美国
项目状态:
已结题
起止时间:
1996-04-15 至 2000-03-31

项目摘要

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中文摘要
翻译
建议编号:CTS-9526149科赫本项目的总体目标是通过理论和数值分析更好地了解中等雷诺数下的填充床性能。流体通过周期性和随机排列的球体和圆柱体的流动方程将使用格子-Boltzman细胞自动机方法来求解。这将是唐纳德·L·科赫教授和劳伦斯·利弗莫尔国家实验室的安东尼·J·C·拉德博士的合作努力。拟议的方法是一种严格的方法,可以很容易地为未来的基准和定性比较产生新的见解和大量可靠的数据。拟议的努力既有理论上的意义,也有相当大的实际意义。填充床是化学工业中最常见的反应器类型。这些反应器的设计受压力降、流动中颗粒的热量和质量传递以及流体中的热量和质量扩散的影响。虽然对这些现象有大量的实验数据可用,但缺乏对非零雷诺数下填充床内流体流动和输送过程的理论分析。一名研究生将获得为期三年的资助,期望通过这种资助获得一篇博士论文。罗杰·A·阿恩特日期:1996年2月1日
英文摘要
Proposal Number: CTS-9526149 Koch The overall aim of this project is to obtain a better understanding of packed bed performance at moderate Reynolds number through theoretical and numerical analysis. The equations of fluid flow through periodic and random arrays of spheres and cylinders will be solved using the lattice-Boltzman cellular automation approach. This will be a collaborative effort between Professor Donald L. Koch and Dr. Anthony J.C. Ladd of the Lawrence Livermore National Laboratories. The proposed approach is a rigorous one, which can readily be expected to produce new insight and a considerable body of reliable data for future benchmarking and qualitative comparisons. The proposed efforts are both theoretically interesting and of considerable practical relevance. Packed beds are the most common type of reactor used in the chemical industry. The design of these reactors is influenced by pressure drop, heat and mass transfer from particles in the flow and the heat and mass diffusion within the fluid phase. While an extensive body of experimental data is available for these phenomena, there is a dearth of theoretical analysis on the fluid flow and transport processes in packed beds at non-zero Reynolds numbers. A graduate student will be supported for three years with the expectation that a Ph.D. thesis will result from this support. Roger E.A. Arndt Date: February 1, 1996
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会议论文
Slender body theory and finite difference computations to characterize particle-fluid interactions at moderate Reynolds numbers
  • 批准号:
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The Effect of Particle-polymer Interactions on the Rheology and Structure of Dilute Particle-filled Polymeric Liquids
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UNS: Employing hydrodynamic lift and particle trajectory ratcheting to achieve sieve-free separations based on size and shape in cross-flow filtration
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    1505795
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Using shape to control the orientations and positions of particles in processing flows
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    2014
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