STUDY ON FLOW AND HEAT TRANSFER CHARACTERISTICS IN TRANSITION REGION FOR ICE SLURRY

机译：冰泥过渡区流动和传热特性的研究

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The flow and heat transfer characteristics of ice slurry were investigated experimentally. Therncharacteristics in the transition region were examined in detail. The ice slurry was produced fromrnethanol solution. Ice packing factor (IPF), Reynolds number and tube diameter were varied as experimentalrnparameters and the coefficients of pipe friction and heat transfer were measured. In thernlow IPF region, it was found that the coefficients of pipe friction and heat transfer were constantrnand the values were the same as that for turbulent flow of the ethanol solution. However, for thernhigh IPF region, a laminarization phenomenon occurs and the flow and heat transfer characteristicsrncan be estimated from the laminar flow of the ice slurry. Moreover, the laminarization point for thernIPF can be predicted using the apparent Reynolds number.

机译：实验研究了冰浆的流动和传热特性。详细研究了过渡区的特征。冰浆是由甲醇溶液制得的。随实验参数改变冰的堆积系数（IPF），雷诺数和管的直径，并测量管的摩擦系数和热传递系数。在较低的IPF区域，发现管道摩擦系数和热传递系数是恒定的，并且该值与乙醇溶液的湍流值相同。然而，对于高IPF区域，会发生层流现象，并且可以从冰浆的层流估算流动和传热特性。此外，可以使用表观雷诺数预测rnIPF的层化点。

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来源
《10th international conference on phase change materials and slurries for refrigeration and air conditioning》|2012年|1-8|共8页
会议地点 Kobe(JP)
作者
S. SAWADA; F. TAMURA; H. KUMANO;
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Dept. of Mechanical Systems Eng., Shinshu Univ., 4-17-1 Wakasato, Nagano, 380-8553, Nagano, Japan;

Dept. of Mechanical Systems Eng., Shinshu Univ., 4-17-1 Wakasato, Nagano, 380-8553, Nagano, Japan;

Dept. of Mechanical Eng., Aoyama Gakuin Univ., 5-10-1 Fuchinobe, Chuo-ku, Sagamihara,252-5258, Kanagawa, Japan +81-42-759-6212, kumano@me.aoyama.ac.jp;

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1. Study on flow and heat transfer characteristics of ice slurry in the transition region [J] . Hiroyuki Kumano, Fumito Tamura, Seigo Sawada, International Journal of Refrigeration . 2013,第3期

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2. Flow and heat transfer characteristics of a tetra-n-butyl ammonium bromide hydrate slurry in the transition region [J] . Hiroyuki Kumano, Tetsuo Hirata, Yuki Kobayashi International Journal of Refrigeration . 2012,第8期

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3. Experimental study on the flow and heat transfer characteristics of a tetra-n-butyl ammonium bromide hydrate slurry (second report: Heat transfer characteristics) [J] . Hiroyuki Kumano, Tetsuo Hirata, Tomoya Kudoh International Journal of Refrigeration . 2011,第8期

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4. STUDY ON FLOW AND HEAT TRANSFER CHARACTERISTICS IN TRANSITION REGION FOR ICE SLURRY [C] . S. SAWADA, F. TAMURA, H. KUMANO International Institute of Refrigeration Conference on Phase Change Materials and Slurries for Refrigeration and Air Conditioning . 2013

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5. Flow and heat transfer characteristics of microencapsulated phase change material slurry in a coil heat exchanger [D] . Kong, Minsuk. 2015

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6. An Experimental Study on Flow and Heat Transfer Characteristics of Ethanol/Polyalphaolefin Nanoemulsion Flowing Through Circular Minichannels [O] . Vu Trinh, Jiajun Xu 2017

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7. The Use of Transition Region Characteristics to Improve the Numerical Simulation of Heat Transfer in Bypass Transitional Flows [O] . Frederick F. Simon 1995

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8. The use of transition region characteristics to improve the numerical simulation of heat transfer in bypass transitional flows [R] . Simon, Frederick F. 1993

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STUDY ON FLOW AND HEAT TRANSFER CHARACTERISTICS IN TRANSITION REGION FOR ICE SLURRY

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