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风扇区域
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  fan area
     Numerical Simulation and Optimization of Fan Area Flow Field in Indirect-Cool Refrigerator
     间冷式冰箱风扇区域流场的数值模拟和优化
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  相似匹配句对
     The Regional Dimension
     关于区域
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     Outline of regional geological setting
     区域地质概况
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     Numerical Simulation and Optimization of Fan Area Flow Field in Indirect-Cool Refrigerator
     间冷式冰箱风扇区域流场的数值模拟和优化
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     Research of Piezoelectric Ceramic Fan
     压电陶瓷风扇的研制
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     Lift fan of air cushion vehicle
     气垫船垫升风扇
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  fan area
During periods of low sea level, inner- and middle-fan channels funnel sand to distal depositional sites in the outer-fan area where the sand/shale ratios are highest.
      
Although the lower-fan area is underlain by sandy sediments, little sand has been recovered in piston cores from the leveed-valley unit.
      
Estimation Of Selenium Concentration In Shallow Groundwater In Alluvial Fan Area In Tsukui, Central Japan
      
Total selenium (Se) and water-soluble Se in soil, and Se in a shallow groundwater were hydrogeochemically researched in an alluvial fan area in Tsukui, Central Japan.
      
A marked increase in deposition is seen first in the northern part of the study area, and slightly later in the Whitefish Fan area at the southern end of the study area.
      
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The flow field of fan zone in an indirect cool refrigerator was simulated with FLUENT code in order to visualize the airflow distribution, study the reason of vortex accruing, and find the methods of how to improve the performance of the refrigerator. The standard k ε model was used as a turbulence model, while the domain of fan blades was simplified as a multiple reference frame model, and the evaporator was simplified as porous media. To warrant the accuracy of calculation, the fan blades were scanned...

The flow field of fan zone in an indirect cool refrigerator was simulated with FLUENT code in order to visualize the airflow distribution, study the reason of vortex accruing, and find the methods of how to improve the performance of the refrigerator. The standard k ε model was used as a turbulence model, while the domain of fan blades was simplified as a multiple reference frame model, and the evaporator was simplified as porous media. To warrant the accuracy of calculation, the fan blades were scanned into computer with a laser scanner. The simulation result shows that modifying the fan cover can improve the uniformity of the freezer compartment, while moving the fan a proper distance away from the fan cover can get rid of the vortex, but moving the fan away from the freezer refrigerator duct does no good to improving the airflow distribution and increasing the efficiency of the evaporator.

应用 FLUENT软件对一个 BCD- 2 35 W型家用间冷式冰箱风扇区域流场进行数值模拟 .紊流模型采用二价 k- ε模型 ,风扇叶片所在旋转区域采用多坐标系模型 ,蒸发器区域采用多空介质模型进行简化 ,目的是通过该部位流场的可视化 ,研究涡流形成的原因 ,并寻求消除该部位涡流以提高冰箱性能的方法 .为保证数值计算的精确性 ,风扇叶片通过激光扫描仪直接扫描进电脑 .研究发现 ,对风扇盖板作适当的改进 ,可以提高冰箱冷冻室内气流分布的均匀性 ,风扇向远离盖板方向移动一个适当的距离会基本消除盖板与风扇之间的涡流现象 ,而风扇朝远离冷藏室风道的方向移动 ,对改善风扇与盖板之间的流场 ,提高蒸发器的使用效率不利

 
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