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Research of Noise Contour Plotting of Steeper Approaches

FEI Dai-xiang .YAN Guo-hua .BAO Hai-bing .CHEN Tuo

2012, 32 (1): 86-88. DOI: 10.3969/j.issn.1006-1355-2012.01.020

Abstract （1368）

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With the development of civil aviation industry, the influence of noise around airports has been becoming a serious problem. Since there is a lot of works on noise reduction of noise source, this paper will mainly pay attention to the steeper (6 degrees) approach noise reduction procedures. Since the INM software is not suitable for plotting steeper approach contour, each noise value in the Z-axis in three-dimensional coordinates is converted to an equivalent height. Then, the Surfer 8.0 software, the meteorology software with powerful functions, is adopted to plot the steeper approach contour and the three-dimensional surface map of noise level, so as to evaluate the noise influence of steeper approach on Cherry Park area near the Capital Airport. This work may be helpful for environmental noise control around the airports.

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Research of Noise Reduction with Steeper Approach

YAN Guo-hua;FEI Dai-xiang

2011, 31 (5): 121-125. DOI: 10.3969/j.issn.1006-1355-2011.05.028

Abstract （1353）

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With the development of civil aviation industry, the aircraft’s noise around the airports has been becoming a serious problem. In this paper, several domestic and international noise reduction procedures are studied. The attention is paid mainly to the steeper (6 degrees) approach noise reduction procedures. The potential benefits of the steeper approach are evaluated by the reduction of the area covered by the noise of aircraft’s landing. This work is a part of the project supported by the International Civil Aviation Organization (ICAO).