期刊论文详细信息
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
HEAT TRANSFER BETWEEN WALL AND SOLID-WATER SUSPENSION FLOW IN HORIZONTAL PIPES
MASAYUKI TODA1  MASAFUMI KURIYAMA1  EIJI HARADA1  HIROTAKA KONNO1 
[1] Department of Chemical Engineering, Yamagata University
关键词: Multiphase Flow;    Heat Transfer;    Solid-Water;    Two Phase Flow;    Stationary Bed;    Moving Bed;    Asymmetric Suspension;    Suspended Solid Particle;    Slurry Reactor;   
DOI  :  10.1252/jcej.18.33
来源: Maruzen Company Ltd
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【 摘 要 】

References(8)Cited-By(17)Apparatus made of copper and acrylic pipes of 14 mm, 19 mm and 25 mm i.d. were constructed to study the fundamental characteristics of heat transfer from the wall to water suspensions of glass beads (d=0.06 to 1.0mm) or ion exchange resin (d= 0.8 mm) flowing through horizontal pipes. The operating range of Reynolds numbers and volume fraction of solid is from 3000 to 50, 000 and from 0 to 0.1, respectively. In the case of particle sizes larger than 0.35 mm in diameter, the heat transfer coefficient is always larger than that of a simple water flow and is not strongly affected by particle size, pipe diameter or volume fraction of the solid in the asymmetric suspension flow. In the case of particle sizes smaller than 0.15 mm in diameter, on the other hand, heat transfer reduction is found to occur in the range of Reynolds numbers from 6000 to 15, 000. The temperature profiles of fluids in the horizontal radial direction are symmetric with respect to the pipe axis even at low Reynolds numbers. In the vertical radial direction perpendicular to the pipe axis, the temperature profiles of fluids are asymmetric with respect to the pipe axis.

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