Numerical Flow Investigation of Hybrid Regenerator

淡江大學機構典藏 > 工學院 > 機械與機電工程學系暨研究所 > 期刊論文 > Item 987654321/123253

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题名:	Numerical Flow Investigation of Hybrid Regenerator
其它题名:	混合網目再生器的流力數值分析
作者:	Kumar, Kuttum Pavan;Gupta, Pratik Prakash;Senthilkumar, Sundararaj;Kang, Shung-Wen
关键词:	Stirling cryocooler;Regenerator;Steady flow
日期:	2022-12
上传时间:	2023-04-28 17:27:11 (UTC+8)
出版者:	Journal of Chinese society of Mechanical Engineers
摘要:	The regenerator is the core heat exchange component of the Stirling refrigerator, and its performance is determined by the configurations and physical properties of the wire mesh. This paper presents the investigation of frictional pressure drop correlation equations obtained from a steady flow numerical analysis for both uniform mesh and hybrid wire mesh regenerator with different wire mesh configurations, stacked aligned and misaligned configuration. Hybrid mesh regenerator comprises different wire-meshes as its porosity is arranged in fine to coarse or coarse to fine aspects. The numerical study uses a finite volume method (FVM) based CFD approach for different configurations of wire mesh regenerator. The working fluid is considered isothermal, and the viscosity is assumed to be a constant. Furthermore, the relationship between Reynolds number and the friction coefficient is numerically solved, providing insight into various configuration flow characteristics. The numerical study is validated by comparing the obtained correlations to previously published research, Reynolds numbers up to 550. The frictional drop correlations derived from the numerical analysis can be used to compute pressure drops in the regenerator's flow direction.
關聯:	Journal of Chinese society of Mechanical Engineers 43(6),499-507 p.
显示于类别:	[機械與機電工程學系暨研究所] 期刊論文

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