FILTRATION MODEL OF LONGITUDINAL FLOW IN A FINNED CYLINDRICAL CHANNEL

E. V. Mosina; I. V. Chernyshev

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FILTRATION MODEL OF LONGITUDINAL FLOW IN A FINNED CYLINDRICAL CHANNEL

机译：圆柱状通道中纵向流动的过滤模型

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The problem of laminar flow of a viscous incompressible fluid in a finned circular tube is considered. A solution is obtained in the form of series in eigenfunctions of the Laplace operator; the coefficients in the series are found numerically. For the same problem, a simpler filtration approximation is proposed in which the system of fins is modeled by a radially inhomogeneous porous layer, and fluid flow in it is described by the Brinkman equation. A formula for the effective permeability of the porous medium is obtained by varying the number and height of fins. The formula provides an accurate evaluation of the mean flow velocity and viscous drag coefficient in finned channels.

机译：考虑了粘性不可压缩流体在翅片圆管中的层流问题。以拉普拉斯算子本征函数的级数形式得到解。该序列中的系数可以通过数字找到。对于相同的问题，提出了一种更简单的过滤近似方法，其中，鳍片系统由径向不均匀的多孔层建模，并且其中的流体流动由Brinkman方程描述。通过改变散热片的数量和高度可以得到多孔介质有效渗透率的公式。该公式可精确评估带翅片通道中的平均流速和粘性阻力系数。

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来源
《Journal of Applied Mechanics and Technical Physics》 |2012年第3期|349-355|共7页
作者
E. V. Mosina; I. V. Chernyshev;
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作者单位

Volgograd State University, Volgograd, 400062 Russia;

Volgograd State University, Volgograd, 400062 Russia;

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原文格式 PDF
正文语种 eng
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关键词
finned channel; filtration approximation; brinkman equation; effective permeability; drag coefficient;

机译：翅片通道过滤近似布林克曼方程有效渗透率阻力系数;

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2. Semi-analytical thermal modeling of transverse and longitudinal fins in a cylindrical phase change energy storage system [J] . International Journal of Thermal Sciences . 2020,第期

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3. Close-contact melting in a horizontal cylindrical enclosure with longitudinal plate fins: Demonstration, modeling and application to thermal storage [J] . T. Rozenfeld, Y. Kozak, R. Hayat, International Journal of Heat and Mass Transfer . 2015,第jula期

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4. CONJUGATED HEAT TRANSFER AT FLOW CONDENSATION IN MINICHANNEL WITH LONGITUDINAL FINS [C] . Kabov O.A., Marchuk I.V., Legros J.C. International Conference on Microchannels and Minichannels(ICMM2004); 20040617-20040619; Rochester,NY; US . 2004

机译：纵向翅片在微通道内的凝结换热
5. An experimental investigation on liquid methane heat transfer enhancement through the use of longitudinal fins in cooling channels [D] . Galvan, Manuel de Jesus. 2014

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6. A Model for Transport Phenomena in a Cross-Flow Ultrafiltration Module with Microchannels [O] . Aiko Nishimoto, Shiro Yoshikawa, Shinichi Ookawara 2011

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7. Modelación del transporte de solutos en condiciones de flujo no permanente con alta dispersión y zonas muertas en canales de baja pendiente: aplicación al caso del Río Bogotá en el tramo de Puente Vargas – Puente la Virgen / Solute transport modeling under unsteady flow conditions in channels with high longitudinal dispersion and dead zones: study case application: Bogotá River reach Puente Vargas – Puente la Virgen [O] . Cantor Monroy Miguel Mauricio 2010

机译：在低坡度通道中具有高色散和死区的非永久性流动条件下的溶质运移模拟：应用于巴尔加斯河在巴尔加斯河段 - puente la Virgen /溶质运输模型在非定常流动条件下的通道高纵向扩散和死区：研究案例应用：波哥大河到达puente Vargas - puente la Virgen
8. Computational model for optimizing longitudinal fin heat transfer in laminar internal flows. [R] . Landram, C. S. 1990

机译：优化层流内流纵向翅片传热的计算模型。

FILTRATION MODEL OF LONGITUDINAL FLOW IN A FINNED CYLINDRICAL CHANNEL

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