# 贯流风机的数值模拟(毕业论文封面+毕业论文致谢)

AbstractSince its well compact design and low noise characteristics, Cross-Flow fan are increasingly used in rear cooling units of minivans. In this thesis, for using the Cross-Flow fan to send air in the family hanging air conditioner, we use the FLUENT software to simulate the flow-field of 2D Cross-Flow fan. And the numerical simulation work was successfully done. Compared with the result of experiment and of other’s, this result of numerical simulation is according with the experiment.
At the same time, we simulated the flow-field of the Double-Fan model, and compared with the result of experiment. We found that the result of simulation is according with experiment.
In this thesis, we want to supply a new method for the design of Cross-Flow fan, using the numerical simulation.Keyword: Cross-Flow fan, numerical simulation, unstructured grid, pressure field, velocity field.
摘     要
贯流风机以其流量大，低噪声，送风平稳等优良特性在空调设备和小型送风

致谢
摘要

§ 1.1  问题背景   ……………………………………………………    1
§ 1.2  数值计算方法   ………………………………………………    2
§ 1.3  本文的主要工作   ……………………………………………  3

§ 2.1  风机的概述   …………………………………………………    4
§ 2.2  贯流式风机的工作原理   ……………………………………    5
§ 2.3  贯流式风机叶轮内的流动分析   ……………………………    9
第三章  数值计算   ……………………………………………………   11
§ 3.1  模型的建立及网格的划分   …………………………………   11
§3.1.1  结构的简化和求解区域的划分   …………………   11
§3.1.2  求解区域网格的划分   ……………………………   12
§ 3.2  求解方法与过程   ……………………………………………   14

§ 4.1  压力场的结果与分析   ………………………………………   15
§ 4.2  流场的结果与分析   …………………………………………   16
§ 4.3  流量的分析   …………………………………………………   19
§ 4.4  小结   …………………………………………………………   19

§ 5.1  工业背景   ……………………………………………………   20
§ 5.2  双风机系统的数值计算与结果分析   ………………………   21
§ 5.2.1  数值计算  …………………………………………   21
§ 5.2.2  计算结果及分析  …………………………………   23
§5.3   小结   …………………………………………………………   27

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