南京大学学报(自然科学版) ›› 2022, Vol. 58 ›› Issue (2): 213218.doi: 10.13232/j.cnki.jnju.2022.02.004
• • 上一篇
Shilong Wang1, Jize Lu2, Xiaopai Zhang1(), Bo Wen1
摘要:
铁路车站售票厅功能日趋多样化,因其客流量大、嘈杂,声环境有待改善.测试了某售票厅内的噪声,确定其主要噪声源,针对测试结果,提出了吸声降噪方案,建立售票厅降噪前后的声场仿真模型,计算了售票厅的吸声降噪量.研究表明,售票厅内平均声压级为74.2 dB (A),主要噪声源是售票员与顾客交流时由扬声器发出的声音.综合考虑降噪量和混响时间,吸水性海绵降噪效果较佳.采用吸水海绵降噪时,室内平均降噪量为5.4 dB,降噪后售票厅内平均声压级为68.8 dB (A),混响时间为1.2~1.3 s,声压级达到限值要求,混响时间符合最佳混响时间要求.
中图分类号:
1 | 国家市场监督管理总局,国家标准化管理委员会. 公共场所卫生指标及限值要求. GB 37488?2019. |
State Administration of Market Supervision and Administration,State Standardization Administration Commission. Hygienic indicators and limits for public places. GB 37488?2019. | |
2 | 陈丽丽,闫兵,李聪,等. 火车站噪声现状调查与研究. 中国高新技术企业,2007,18(11):71-72. |
Chen L L, Yan B, Li C,et al. Investigation and research on the present situation of railway station noise. China High?tech Enterprises,2007,18 (11):71-72. | |
3 | 冉汶民,张迅,李小珍. 成灌快铁线下桥式车站振动噪声实测与分析. 振动与冲击,2016,35(7):225-232. |
Ran W M, Zhang X, Li X Z. Test and analysis for vibration and noise of an elevated?station?under?viaduct of Chengdu?Dujiangyan fast railroad line. Journal of Vibration and Shock,2016,35 (7):225-232. | |
4 | 刘培杰. 高铁车站候车厅的噪声状况调查. 噪声与振动控制,2018,38(3):120-123. |
Liu P J. Investigation of noise conditions in waiting halls of high?speed railway stations. Noise and Vibration Control,2018,38 (3):120-123. | |
5 | 刘钜. 高铁客站候车大厅材料对声环境的影响——以武汉火车站为例. 硕士学位论文. 武汉: 华中科技大学,2011. (Liu J. The research of the influence by the materials of high?speed railway station waiting room on sound environment,for example of Wuhan railway station. Master Dissertation. Wuhan,China:Huazhong University of Science & Technology,2011.) |
6 | 黄旭炜,周宇,韩延彬,等. 城市轨道交通车站轨行区降噪措施仿真分析. 城市轨道交通研究,2019,22(7):145-150. |
Huang X W, Zhou Y, Han Y B,et al. Simulation analysis of noise reduction measures in the track area of urban rail transit station. Urban Mass Transit,2019,22 (7):145-150. | |
7 | 傅秀章,曹玥,刘珏. 苏南地区不同教堂声学性能比较研究. 南京大学学报(自然科学),2017,53(4):686-692. |
Fu X Z, Cao Y, Liu J. Comparison of acoustic performance in different churches. Journal of Nanjing University (Natural Science),2017,53 (4):686-692. | |
8 | 乐意,赵其昌,沈勇,等. 大型厅堂的建筑声学设计方法研究. 南京大学学报(自然科学),2011,47(2):208-217. |
Le Y, Zhao Q C, Shen Y,et al. Study on the acoustic design of large auditoriums. Journal of Nanjing University (Natural Science),2011,47 (2):208-217. | |
9 | 郭文成,闵鹤群. 有限大背腔单层微穿孔板吸声体吸声特性研究. 南京大学学报(自然科学),2017,53(4):681-685. |
Guo W C, Min H Q. Investigation on the absorption characteristics of single?layermicro?perforated panel absorber with finite?sized cavity. Journal of Nanjing University (Natural Science),2017,53 (4):681-685. | |
10 | 毛东兴,洪宗辉. 环境噪声控制工程. 北京:高等教育出版社,2002. (Mao D X,Hong Z H. Environmental noise control engineering. Beijing,China:Higher Education Press,2002.) |
11 | 马大猷. 噪声与振动控制工程手册. 北京:机械工业出版社,2002:451-466. (Ma D Y. Manual of noise and vibration control engineering. Beijing,China:China Machine Press,2002:451-466.) |
12 | 中华人民共和国国家质量监督检验检疫总局. 声学 阻抗管中吸声系数和声阻抗的测量 第2部分:传递函数法. GB/T 18696.2?2002. (General Administra?tion of Quality Supervision,Inspection and Quarantine of the People's Republic of China. Acoustics?Determination of sound absorption coefficient and impedance in impedance tubes?Part 2: Transfer function method. GB/T 18696.2?2002.) |
13 | 蒋坤,向阳,张波. 基于FOAM?X的多孔材料吸声性能研究. 舰船科学技术,2019,41(4):54-60. |
Jiang K, Xiang Y, Zhang B. Research on sound absorption performance of porous materials based on FOAM?X. Ship Science and Technology,2019,41 (4):54-60. | |
14 | 刘子豪,窦培林. 多层复合吸声材料降噪性的仿真研究. 中外船舶科技,2015,39(4):7-13. |
Liu Z H, Dou P L. Simulation study on noise reduction of multilayer composite sound absorbing material. Chinese & Foreign Ship Science and Technology,2015,39 (4):7-13. | |
15 | 胡永,张洪英,徐永生,等. EASE软件在试验建筑空间建设中的应用研究. 电声技术,2019,43(12):18-22. |
Hu Y, Zhang H Y, Xu Y S,et al. Application research of EASE software in the construction of experimental building space. Audio Engineering,2019,43 (12):18-22. | |
16 | 李素云. 最佳混响时间. 音响技术,2007,37(12):37-38. |
Li S Y. Optimum reverberation time. Audio Technology,2007,37 (12):37-38. |
[1] | 傅秀章1,2*,曹 玥1,刘 珏3. 苏南地区不同教堂声学性能比较研究[J]. 南京大学学报(自然科学版), 2017, 53(4): 686-. |
[2] | 张雷岳,张兴敢*,刘 超. 麦克风阵列声源定位中时延估计的改进[J]. 南京大学学报(自然科学版), 2015, 51(1): 25-30. |
[3] | 高志华1,责可荣1,章林柯2** . 一种基于直推置信的遗传优化概率神经网络* [J]. 南京大学学报(自然科学版), 2012, 48(1): 48-54. |
|