山地居住环境中输电线风噪声分布的仿真研究
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摘要
为研究输电线风噪声对山地居住环境的影响,采用声场仿真的方法,对周壤—腾蛟220k V输电线风噪声进行了分析。结果表明:在复杂山地环境中,平坦区域由于直达声占据主导,在建筑物不同楼层间的噪声声压级改变很小;山谷区域噪声较小但有明显的混响。研究可为建设选址、建筑高度等设计问题提供建筑环境声学方面的参考。
In order to study the influence of wind noise of transmission line on residential environment in the mountainous region.Using sound field simulation we analyze the wind noise of Zhourang-Tengjiao 220 kV transmission line,the results show that:in the complex mountainous environment,direct sound dominates.In f lat areas,the differences of noise level being small between building floors of different heights.In valley areas wind noise is relatively lower but with more obvious reverberation.The study can provide reference for the design issues such as site selection,building height and so on from the aspect of architectural and environmental acoustics.
In order to study the influence of wind noise of transmission line on residential environment in the mountainous region.Using sound field simulation we analyze the wind noise of Zhourang-Tengjiao 220 kV transmission line,the results show that:in the complex mountainous environment,direct sound dominates.In f lat areas,the differences of noise level being small between building floors of different heights.In valley areas wind noise is relatively lower but with more obvious reverberation.The study can provide reference for the design issues such as site selection,building height and so on from the aspect of architectural and environmental acoustics.
引文
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[2]GB/T1179-2008圆线同心绞架空导线[Z].
[3]石磊.圆柱杆件气动噪声仿生控制研究[D].长春:吉林大学,2013.
[4]Odeon Room Acoustics Software User's Manual[M].2016.
[5]彭健新,吴硕贤,赵越喆.建筑声学设计软件ODEON及其在工程上的应用[J].电声技术,2002(5):14-17.
[6]王静波.室内声场计算机模拟软件ODEON在声学设计中的应用[J].声学技术,2003(4):236-239.
[7]陈剑军.建筑声学软件ODEON应用研究[D].重庆:重庆大学,2012.
[8]陈剑军,林泰勇.室内声场的ODEON软件模拟与实测比对[J].电声技术,2014,38(11):1-5+21.
[9]王红卫,吴硕贤,赵越喆,等.基于仿真脉冲响应的厅堂音质评价[J].重庆建筑大学学报,2005(1):23-25+31.
[10]王红卫,张龙.厅堂侧向能量因子的仿真与实测[J].重庆建筑大学学报,2016(4):127-132.
[11]周晓雯,张三明,陈林冰.餐饮空间声环境及其控制[J].华中建筑,2016(8):55-59.