基于航迹分割的航空器噪声预测模型
收稿日期: 2013-06-19
修回日期: 2013-11-26
网络出版日期: 2014-01-16
基金资助
国家自然科学基金（61139002）；国家"863"计划（2012AA063301）；中国民用航空局科技项目（MHRD201006，MHRD201101）；中央高校基本科研业务费专项资金（3122013P013）
Aircraft Noise Prediction Model Based on Flight Track Segmentation
Received date: 2013-06-19
Revised date: 2013-11-26
Online published: 2014-01-16
Supported by
National Natural Science Foundation of China (61139002); National High-tech Research and Development Program of China (2012AA063301); Science and Technology Projects of Civil Aviation Administration of China (MHRD201006, MHRD201101); The Fundamental Research Funds for the Central Universities (3122013P013)
丁建立 , 周磊 . 基于航迹分割的航空器噪声预测模型[J]. 航空学报, 2014 , 35(4) : 1102 -1110 . DOI: 10.7527/S1000-6893.2013.0474
To predict aircraft noise according to aircraft tracks, the aircraft tracks are divided into two basic track elements based on their geometric characteristics, i.e. the straight line tracks and the curve line tracks, and then the noise contribution of the straight line track and the curve line track are calculated respectively for their area of influence. After a statistical treatment of the noise impact on all segments of the track monitoring points, the noise finally comes together to affect the entire track segment monitoring points. Thus an aircraft track noise prediction model is established in this paper. Compared with similar prediction software and the actual monitoring data, the predicted average noise values of the present model are relatively accurate, and the predicted noise peak values are more accurate.
Key words： flight track; aircraft noise; noise intensity; prediction model; noise prediction
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