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首页> 外文期刊>International Journal of Heat and Mass Transfer >An analysis of entropy generation through a circular duct with different shaped longitudinal fins for laminar flow
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An analysis of entropy generation through a circular duct with different shaped longitudinal fins for laminar flow

机译：通过不同形状的纵向翅片的圆形管道的层流流动产生熵的分析

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摘要

The present study focuses on the entropy generation analysis in a circular duct with internal longitudinal fins of different shape for laminar flow. Three different fin shapes are chosen for the analysis: Thin, triangular and V-shaped fins. Calculations are performed for various dimensionless lengths and number of fins, dimensionless temperature difference and fin angle for triangular and V-shaped fins. It is found that the number of fins and dimensionless length of the fins for both thin fins and triangular fins, and the fin angle for triangular and V-shaped fins have significant effect on both entropy generation and pumping power. Further, both entropy generation and pumping power also are influenced by dimensionless temperature difference.
机译：本研究的重点是在层流内部具有不同形状的内部纵向翅片的圆形管道中的熵产生分析。选择三种不同的鳍片形状进行分析：薄的，三角形的和V形的鳍片。针对各种无量纲的长度和鳍片数量，三角形和V形鳍片的无量纲温差和鳍片角度进行计算。发现薄鳍片和三角形鳍片的鳍片数量和鳍片的无量纲长度，以及三角形和V形鳍片的鳍片角度对熵产生和泵浦功率都有显着影响。此外，熵的产生和泵浦功率也受到无量纲温差的影响。

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