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小孔型脉管制冷机的二维数值研究 被引量：2

TWO-DIMENSIONAL NUMERICAL SIMULATION OF ORIFICE PULSE TUBE REFRIGERATOR
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摘要 本文建立了小孔型脉管制冷机的物理和数学模型,开发了描述小孔型脉管制冷机内二维可压缩交变流动与传热耦合计算的模拟程序,并对制冷机内的流场和温度场特性及其他一些重要的热力参数进行了详细的分析。通过对小孔型脉管制冷机的数值分析,直观地刻画了脉管制冷机内的工作过程和复杂流动现象,如二次质量流动和速度环形效应等。另外还得到了最佳小孔阀半径,对所研究的小孔型脉管制冷机,最佳小孔阀半径约为0.3 mm,当小孔阀开度为此最佳值时,制冷机的制冷量最大。 Two-dimensional numerical simulation of the viscous compressible oscillating flow and heat transfer was carried out for an orifice pulse tube refrigerator (PTR) on the simplified physical and numerical model by using a compressible SIMPLEC algorithm code developed by the authors.The characteristics of some major thermodynamic parameters such as flow velocity and temperature have been numerically investigated.The working process and complex flow phenomena such as secondary flow and velocity annual effect in the orifice PTR have been displayed vividly according to the two dimensional numerical study.The simulation results also indicate that there is an optimum orifice radius for orifice PTR.When the PTR works with this optimum orifice radius,the performance can be improved a lot.
作者 赵春凤 何雅玲 黄竞 刘迎文
机构地区 西安交通大学能源与动力工程学院动力工程多相流国家重点实验室
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2007年第z1期45-48,共4页 Journal of Engineering Thermophysics
基金 国家杰出青年科学基金(No.50425620)
关键词 小孔型脉管制冷机 数值研究 交变流动 orifice PTR numerical simulation oscillating flow
分类号 TK124 [动力工程及工程热物理—工程热物理]
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参考文献7

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同被引文献26

  • 1丁文静,何雅玲,陶文铨.基于脉管制冷机的二维可压缩流动数值计算程序的开发与应用[J].工程热物理学报,2004,25(6):949-951. 被引量：1
  • 2Gifford W E, Longsworth R C. Pulse tube refrigeration [J]. Trans of the ASME, Journal of Engineering for Industry, Series B, 1964, 86(1): 264-268.
  • 3Mikulin E I, Tarasov A A, Shkrebyonock M P. Low temperature expansion pulse tubes[J]. Advances in Cryogenic Engineering, 1984, 29 : 629-637.
  • 4Razani A, Roberts T, Flake B. A thermodynamic model based on exergy flow for analysis and optimization of pulse tube refrigerators[J]. Cryogenics, 2007, 47 (3) : 166-173.
  • 5He Y L, Huang J, Zhao C F, et al. First and second law analysis of pulse tube refrigerator[J]. Applied Thermal Engineering, 2006, 26(17/18): 2301-2307.
  • 6Wang X L, Zhao M G, Cai J H, et al. Experimental flow characteristics study of a high frequency pulse tube regenerator[J]. Cryocoolers, 2005, 13:439-444.
  • 7Masuyama S, Kim Y H, Park S J, et al. Experimental research of Stirling type pulse tube refrigerator with an active phase control[J]. Cryogenics, 2006, 46(5):385-390.
  • 8Richardson R N. Pulse tube refrigerator---an alternative coryocoder[J]. Cryogenics, 1986, 26(6) :331-340.
  • 9Zhu S W, Nogawa M, Inoue T. Numerical simulation of a step-piston type series two stage pulse tube refrigerator[J]. Cryogenics, 2007, 47(9/10)7483-489.
  • 10Andersen S K, Dietrich M, Carlsen H, et al. Numerical study on transverse asymmetry in the temperature profile of a regenerator in a pulse tube cooler[J]. International Journal of Heat and Mass Transfer, 2007, 50( 13/14): 2795- 2804.

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工程热物理学报
2007年 第z1期

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