6kW静音型柴油发电机组排风通道风阻仿真研究

李安静; 张鸿; 徐利梅; 李学生; 张树峰

6kW静音型柴油发电机组排风通道风阻仿真研究

1.
电子科技大学航空航天学院,成都 611731;
2.
上海科泰电源混合能源部,上海 201703

详细信息

作者简介:
李安静(1989－),硕士研究生,研究方向为系统有限元建模、分析和优化,lianjing－14@126．com;徐利梅(联系人),教授,xulimei@uestc．edu．cn

李安静(1989－),硕士研究生,研究方向为系统有限元建模、分析和优化,lianjing－14@126．com;徐利梅(联系人),教授,xulimei@uestc．edu．cn

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- 被引次数: 0
出版历程
- 收稿日期: 2012-07-04
- 刊出日期: 2015-06-10

Numerical Simulation on the Air Resistance of Exhaust Channel in 6 kW Silent Canopy Diesel Generator Set

1.
School of Astronautics and Aeronautics,University of Electronic Science and Technology of China,Chengdu 611731;
2.
Hybrid Energy Department of Shanghai Cooltech Power Co.,Ltd,Shanghai 201703

摘要

摘要: 为了研究6 kW静音型柴油发电机组排风通道结构对空气流动阻力的影响,通过计算流体力学方法(CFD)分析排风通道内流体模型的压力场和流场分布,研究了排风通道内风阻的影响因素。通过改变阻风板、消声器相对位置和排风出口形状、尺寸,对比风阻变化及流体流速变化。结果表明移动阻风板,扩大排风通道体积及移动消声器相对阻风板的距离可以减小风阻,同时增大排风出口处U型挡板宽度可以减小风阻,当不考虑排风出口处吸音海绵表面粗糙度时其厚度对风阻影响不大。为排风通道结构设计和优化提供理论依据。
- 阻力 /
- 计算流体力学 /
- 模型 /
- 优化
Abstract: In order to study the impacts on the air resistance which from the structural parameters of exhaust chan-nel in 6 kW silent canopy diesel generator set,the pressure field and flow field of the exhaust channel are analyzed with the help of the Computational fluid dynamics (CFD) method to study the factors which affect the air resist-ance. By changing the location of the wind resistance board or the muffler, the size of exhaust export shape, air flu-id model in the exhaust channel is numerically simulated and the results of air resistance and flow field are com-pared. The results show that air resistance can be reduced by moving the wind resistance board to expand the ex-haust channel's volume,adjusting the location of muffler,increasing the distance between intakes and the U-shaped baffle can reduce air resistance; when the surface roughness of the sound-absorbing sponge isn't consid-ered; changing the thickness has little effect on air resistance. And it provides the theoretical basis for structure de-sign and parameter optimization of exhaust channel.
- computer simulation /
- optimization /
- flow fields /
- air resistance

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