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首页> 外文会议>10th international conference on phase change materials and slurries for refrigeration and air conditioning >FLOW AND HEAT TRANSFER CHARACTERISTICS OF ICE SLURRIES IN A HELICALLY COILEDED PIPE
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FLOW AND HEAT TRANSFER CHARACTERISTICS OF ICE SLURRIES IN A HELICALLY COILEDED PIPE

机译：螺旋管中冰浆的流动和传热特性

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摘要

Recently, ice slurry has attracted much attention in order to save the energy of air conditioning device.rnThe helically coiled pipes are used on the supposition of a heat exchanger in a dynamic-typernice thermal storage system. In this study, flow and heat transfer characteristics of ice slurry in somernhelically coiled pipes have been investigated. The flow visualization, pressure loss and heat transferrncoefficient of ice slurry were measured as a function of Ice Packing Factor (IPF), flow velocity, heatrnflux and coil radius. It was found that the flow resistance of ice slurry in a helically coiled pipe isrninfluenced with the interaction between the friction force effect of the ice particles and the turbulentrnincrease due to the secondary flow. The heat transfer coefficient of ice slurry in a helically coiledrnpipe increases with increasing the melting ratio of the ice particles except that all ice particles arernmelted. And useful correlations for predicting the flow resistance and heat transfer coefficient of thernice slurry were proposed in terms of some non-dimensional parameters.
机译：近年来，为了节省空调装置的能量，冰浆引起了广泛的关注。螺旋盘绕管被用于动态式蓄热系统中的热交换器的假设上。在这项研究中，研究了螺旋状盘绕管中冰浆的流动和传热特性。测量了冰浆的流动可视化，压力损失和传热系数，它是冰填充因子（IPF），流速，热通量和盘管半径的函数。已经发现，螺旋盘管中的冰浆的流动阻力受到二次流引起的冰粒的摩擦力作用和湍流增加之间的相互作用的影响。螺旋盘管中的冰浆的传热系数随着冰粒的融化率的增加而增加，除了所有冰粒都被融化。根据一些无量纲参数，提出了预测浆液流动阻力和传热系数的有用关系式。

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  • 会议地点 Kobe(JP)
  • 作者

    N. HARUKI; A. HORIBE; M. MOURI;

  • 作者单位

    Graduate School of Natural Science and Technology, Okayama University 1-1, Naka 3-chome, Tsushima, Kita-ku, Okayama, 700-8530, Japan +81-86-251-8266, haruki@mech.okayama-u.ac.jp;

    Graduate School of Natural Science and Technology, Okayama University 1-1, Naka 3-chome, Tsushima, Kita-ku, Okayama, 700-8530, Japan;

    Graduate School of Natural Science and Technology, Okayama University 1-1, Naka 3-chome, Tsushima, Kita-ku, Okayama, 700-8530, Japan;

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