本文针对船舶管路系统中阀门引起的流噪声问题,以不同类型、不同规格的船用阀门的声学性能为研究对象,建立流道的几何模型,借助于计算流体力学通用软件Fluent通过计算其内部流体通道中的流噪声,并通过定量对比确定其优劣。研究结果表明,球阀相比其他类型阀门声学性能更优,该方法可为阀门选型提供一定的理论依据。
In this paper, in view of the characteristics of the flow-noise,created by marine valves of piping systems,the acoustic performances of marine valves on different types and specifications are researched. After establishing the flow geometric model,the flow-noise in the internal fluid channel is accomplished with the common Computational Fluid Dynamics software Fluent. Finally we determine its advantages and disadvantages through quantitative comparison. The results show that the ball valve has better acoustic performance than other types of valves,this method can provide a certain theoretical basis for the valve selection.
2019,41(6): 81-84 收稿日期:2018-05-03
DOI:10.3404/j.issn.1672-7649.2019.06.017
分类号:TK26
作者简介:刘洋(1984-),男,工程师,研究方向为主要从事船舶管路系统振动与噪声控制研究
参考文献:
[1] 刘少刚, 刘海丰, 舒海生, 等. 通海阀内流道优化降低流噪声[J]. 哈尔滨工程大学学报, 2013, 34(4):511
[2] 江山, 张京伟, 吴崇健, 等. 通海阀内流场的三维数值模拟[J]. 中国舰船研究, 2009, 4(2):37
[3] ITO K, TAKAHASHI K, INOUE K. Pressure distributions and flow force on the body of a poppet valve[C]//Proceddings of Fourth Bath International, Fluid Power Workshop, Bath:UK, 199l:123-136.
[4] 杨博, 傅立敏. 稳态数值模拟在轿车外气动噪声源预测中的应用[J]. 吉林大学学报:工学版, 2007, 37(5):1005-1008
[5] HORVATH Csaba, VAD Janos. Broadband Noise Source Model Acoustical Investigation on Unskewed and Skewed Axial Flow Fan Cascades[J]. Conference on Modelling Fluid Flow, 2009, 9:682-689
[6] 董仁义, 吴崇健. 基于Lilley宽带声源模型的舵叶流噪声数值模拟研究[J]. 船海工程, 2009, 38(5):24-26