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Analytical study on start-up process in parallel-plate channel under uniform heat flux

机译：均匀热通量下平行板通道启动过程的分析研究

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Start-up heat transfer process in a parallel-plate channel has been studied in this article. Transient Graetz problem has been modeled to investigate the effects of geometry, flow regime, and fluid properties on the time of start-up process. An analytical solution based on the Graetz number has been presented as a solution to the partial differential equation of energy with associated initial and boundary conditions in details. Start-up process has been studied regarding Reynolds and Prandtl numbers. Obtained results showed that start-up process was shorter for flow regime with greater Graetz number, which corresponded to greater Reynolds and Prandtl numbers. (C) 2015 Elsevier Masson SAS. All rights reserved.
机译：本文研究了平行板通道中的启动传热过程。对瞬态Graetz问题进行了建模，以研究几何形状，流态和流体特性对启动过程时间的影响。详细介绍了基于Graetz数的解析解，作为能量偏微分方程的解。已经研究了有关雷诺数和Prandtl数的启动过程。获得的结果表明，对于具有更大Graetz数的流态，启动过程更短，这对应于更大的雷诺数和Prandtl数。 （C）2015 Elsevier Masson SAS。版权所有。

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