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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Experimental investigation on steam-water two-phase flow boiling heat transfer in a staggered horizontal rod bundle under cross-flow condition
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Experimental investigation on steam-water two-phase flow boiling heat transfer in a staggered horizontal rod bundle under cross-flow condition

机译：交叉流量条件下交错杆束蒸汽水两相流沸腾热传递的实验研究

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摘要

Single-phase convection and steam-water two-phase flow boiling heat transfer experiments in an electrically heated 4 x 16 staggered horizontal rod bundle under cross-flow condition have been carried out for the fol- lowing range: 45 kg m(-2)s(-1) = G = 383 kg m(-2)s(-1), 20.0 kW m(-2) = q = 55.0 kW m(-2), 0.02 = x(out) = 0.57 and 112 kPa = P-in = 190 kPa. The major effects on local flow boiling heat transfer coefficients in horizontal rod bundles were analyzed. Firstly, the row number has a significant effect on local flow boiling heat transfer coefficients since the vapor bubbles generated from the lower rods impinge on the surface of the upper rods and enhance the turbulence there. Secondly, an increasing heat flux contributes to an increase of the average bundle flow boiling heat transfer coefficient at all mass velocities. Thirdly, the local quality can also slightly enhance the flow boiling heat transfer. Fourthly, the flow boiling heat transfer can be enhanced with an increasing mass velocity under lower heat fluxes. In a general, a Chen-type correlation was developed to predict local flow boiling heat transfer coefficients in horizontal rod bundles with a maximum deviation of +/- 20%.
机译：None

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  • 作者

    Zhang K.; Hou Y. D.; Tian W. X.; Zhang Y. P.; Su G. H.; Qiu S. Z.;

  • 作者单位

    Xi An Jiao Tong Univ Shanxi Key Lab Adv Nucl Technol State Key Lab Multiphase Flow Power Engn Sch Nucl Sci &

    Technol 28 Xianning West Rd Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Shanxi Key Lab Adv Nucl Technol State Key Lab Multiphase Flow Power Engn Sch Nucl Sci &

    Technol 28 Xianning West Rd Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Shanxi Key Lab Adv Nucl Technol State Key Lab Multiphase Flow Power Engn Sch Nucl Sci &

    Technol 28 Xianning West Rd Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Shanxi Key Lab Adv Nucl Technol State Key Lab Multiphase Flow Power Engn Sch Nucl Sci &

    Technol 28 Xianning West Rd Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Shanxi Key Lab Adv Nucl Technol State Key Lab Multiphase Flow Power Engn Sch Nucl Sci &

    Technol 28 Xianning West Rd Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Shanxi Key Lab Adv Nucl Technol State Key Lab Multiphase Flow Power Engn Sch Nucl Sci &

    Technol 28 Xianning West Rd Xian 710049 Shaanxi Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 流体力学;
  • 关键词

    Heat transfer experiments; Flow boiling; Horizontal rod bundle; Cross-flow;

    机译：传热实验;流沸腾;水平杆束;交叉流动;

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