Buoyancy Induced Convection From Biheaters in a Cavity: A Numerical Study

Asis Giri; Swastika Patel

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Buoyancy Induced Convection From Biheaters in a Cavity: A Numerical Study

机译：腔中锅炉引起的浮力对流：数值研究

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A computational study of natural convection from biheaters of finite thickness and finite conductivity placed on a finite thickness and a finite conductive bottom plate of a cavity is performed under constant heat input condition. Cavity is cooled by the sidewalls, while the top and backside of the bottom plate are insulated. Streamline, isotherms, and local heat flux distribution of the sidewalls are discussed. Base Grashof number is chosen as 2.5 × 10 ~( 6 ) . Biheater maintains a nondimensional distance of 0.4 between them. The left heater is placed at a nondimensional distance of 0.2 from the left wall. Heater length ratio is varied from 0.4 to 1.7, while heater strength ratio is varied from 0.25 to 7.0. Optimum operating temperature condition is found from the analysis.

机译：在恒定的热量输入条件下，对有限厚度和有限电导率的加热炉的自然对流进行了计算研究，该加热器位于空腔的有限厚度和有限导电底板上。空腔由侧壁冷却，而底板的顶部和背面则绝缘。讨论了流线，等温线和侧壁的局部热通量分布。基格拉斯霍夫数被选择为2.5××10〜（6）。 Biheater在它们之间保持无量纲距离为0.4。左加热器与左壁的距离为0.2。加热器长度比在0.4到1.7之间变化，而加热器强度比在0.25到7.0之间变化。通过分析可以找到最佳的工作温度条件。

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来源
《Journal of Heat Transfer》 |2018年第10期|102501.1-102501.12|共12页
作者
Asis Giri; Swastika Patel;
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作者单位

Department of Mechanical Engineering,North Eastern Regional Institute of Scienceand Technology;

Department of Mechanical Engineering,North Eastern Regional Institute of Scienceand Technology;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Heat; Temperature; Cavities; Heat flux; Natural convection; Heat transfer;

机译：热量;温度;腔;热通量;自然对流;传热;

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Buoyancy Induced Convection From Biheaters in a Cavity: A Numerical Study

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