机场附近学校的噪声指标分析：巴西案例研究

IF 1.7 Q2 ACOUSTICS

Noise Mapping Pub Date : 2020-01-01 DOI:10.1515/noise-2020-0003

Mariani Dan Taufner, Ana Paula Gama, J. Slama, J. Torres

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引用次数: 4

摘要

摘要本研究比较了机场附近学校的环境噪声诊断指标。目标是分析和确定在着陆和起飞操作期间，衡量飞机噪音对学校影响的最合适标准。在噪声映射和声级验证的基础上，对巴西进行了案例研究。为了识别关键接收器，使用声学模拟和噪声映射对昼夜平均噪声水平（DNL）和时间上限（TA）进行了研究。机场周围两所学校的DNL和TA结果表明，市政和机场当局用于描述机场噪声的标准不令人满意，并且不能反映这类噪声的间歇性行为。经验证，基于噪声干扰的个体接收器分析认为TA参数更适合于评估机场附近学校的噪声影响。

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Noise metrics analysis in schools near airports: A Brazilian case study

Abstract This study compares metrics for environmental noise diagnosis in schools at airport vicinity. The goal is to analyze and identify the most suitable criteria for scaling aircraft noise impact over schools, during landing and take-off operations. A Brazilian case study is conducted, based on the noise mapping and sound level verification. The day-night average noise level (DNL) and the time above limit (TA) are investigated using acoustic simulation and noise mapping and in order to identify the critical receivers. Results of DNL and TA for two schools at airport surroundings show that the criteria adopted by the municipal and airport authorities to describe the airport noise are unsatisfactory and do not reflect the intermittent behavior of this type of noise. It was verified that individual receiver analysis, based on noise interruptions thought TA parameter is more suitable for evaluation of noise impact over schools at airport vicinity.

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来源期刊

Noise Mapping ACOUSTICS-

CiteScore

7.80

自引率

17.90%

发文量

审稿时长

12 weeks

期刊介绍： Ever since its inception, Noise Mapping has been offering fast and comprehensive peer-review, while featuring prominent researchers among its Advisory Board. As a result, the journal is set to acquire a growing reputation as the main publication in the field of noise mapping, thus leading to a significant Impact Factor. The journal aims to promote and disseminate knowledge on noise mapping through the publication of high quality peer-reviewed papers focusing on the following aspects: noise mapping and noise action plans: case studies; models and algorithms for source characterization and outdoor sound propagation: proposals, applications, comparisons, round robin tests; local, national and international policies and good practices for noise mapping, planning, management and control; evaluation of noise mitigation actions; evaluation of environmental noise exposure; actions and communications to increase public awareness of environmental noise issues; outdoor soundscape studies and mapping; classification, evaluation and preservation of quiet areas.