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摘要:
In recent years, the new type of tumble waste dryer has been promoted and developed. Heat generation through phase transition is an environmental, friendly and efficient heat transfer drying method. In order to know under what conditions the water vapor has higher heat transfer efficiency in the semi-circular cylinder and more sufficient liquid phase transition, and under what conditions the quantity of heat transferred can be exactly controlled, we carried out relevant work. Based on the analysis of two-phase heat transfer of rotating body, a three-dimension model of garbage dryer is established. Then, the commercial CFD software ANSYS Fluent is used to simulate the two-phase flow in the semi-circular cylinder, and the simulation calculation is carried out. Finally, the theoretical calculation results are verified by experiments. Calculated by the simulation results analysis: according to the industrial use of setting conditions, simulation calculation results can achieve convergence, namely water vapor through the pipe wall heat conduction. Finally condense into liquid water, and to ensure that the liquid cavity in the body has a higher volume fraction, water vapor phase change rate is of more than 90%, the Nusselt number of the heat transfer surface is 60 to 300.
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篇名 Two-Stream Numerical Simulation of a New Type Drum Dryer
来源期刊 应用数学与应用物理(英文) 学科 医学
关键词 DRYER TWO-PHASE Flow Model ROLLER Type Heat Transfer
年,卷(期) 2019,(8) 所属期刊栏目
研究方向 页码范围 1606-1624
页数 19页 分类号 R73
字数 语种
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DRYER
TWO-PHASE
Flow
Model
ROLLER
Type
Heat
Transfer
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期刊影响力
应用数学与应用物理(英文)
月刊
2327-4352
武汉市江夏区汤逊湖北路38号光谷总部空间
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983
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