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板翅式回热器试验与数值模拟研究 被引量：1

Numerical simulation and experimental study on plate-fin recuperator in microturbine
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摘要 选取圆弧截面平直翅片板翅式回热器芯部中间冷热流体各两层作为控制单元体,引进对称面和内部耦合方法建立数学模型,应用Fluent软件对单元体进行三维数值模拟,得出了芯体内部的温度场、流场和压力场.对回热器芯体内部的换热和流动情况进行分析,得出了换热性能准则关系式和阻力性能准则关系式.通过对回热器运用稳态等流量进行传热性能和阻力性能试验,得出了相应的换热和阻力准则关系式,并将数值模拟结果与试验所得结果进行了对比分析. Take two layers of hot air and cold air respectively of mandril of plate-fin recuperator which has plain fin with arc section as control element volume. Establish mathematical model by introducing symmetry plane and interior coupling. Carry out three-dimensional numerical simulation of the control element volume by use of Fluent software so as to obtain temperature field, flow field and pressure field of mandril. Analyse the performance of heat transfer and fluid flow. Get criterion relational expression of heat transfer and criterion relational expression of resistance. Put the recuperator to heat transfer performance and resistance performance test by adopting constant mass flow method of steady state, then analyse and treat the test data to get corresponding criterion relational expressions of both heat transfer and resistance. Compare the numerical simulation result with the test result.
作者 徐之平 韩冰 张磊 张伟荣
机构地区 上海理工大学能源与动力工程学院
出处 《上海理工大学学报》 CAS 北大核心 2009年第2期177-182,共6页 Journal of University of Shanghai For Science and Technology
基金 上海市科学技术委员会资助项目(08195802900)
关键词 板翅式回热器 数值模拟 等流量 准则关系式 plate-fin recuperator numerical simulation test with constant mass flow rate criterion relational expression
分类号 TK124 [动力工程及工程热物理—工程热物理]
  • 相关文献

参考文献6

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二级参考文献13

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共引文献17

同被引文献19

  • 1张贤安.双金属轧片式翅片管管外对流换热准则关系式研究[J].流体机械,2004,32(7):19-22. 被引量：6
  • 2苏俊林,陈岚,王震坤.分离式热管换热器传热特性研究[J].农机化研究,2006,28(7):161-162. 被引量：7
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  • 7Kumar R, Varma H K, Agrawal K N, Mohanty B. A comprehensive study of modified Wilson plot technique to determine the heat transfer coefficient during condensation of steam and R-134a over single horizontal plain and finned tubes [J]. Heat Transfer Engineering, 2011, 22:3-12.
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引证文献1

二级引证文献1

上海理工大学学报
2009年 第2期

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