NEW MATERIAL COULD CUT AIRCRAFT ENGINE NOISE ON TAKEOFF BY 16 DB, UK STUDY SAYS

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NEW MATERIAL COULD CUT AIRCRAFT ENGINE NOISE ON TAKEOFF BY 16 DB, UK STUDY SAYS

机译：英国学习所说，新材料可以在16 dB时削减飞机发动机噪音

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[The University of Bath in the UK issued the following news release on June 18 about a very light, carbon-based material developed by researchers in its Materials and Structures Centre that could be used as insulation in aircraft engines to reduce engine takeoff noise by up to 16 dB.] An incredibly light new material that can reduce aircraft engine noise and improve passenger comfort has been developed at the University of Bath. The graphene oxide-polyvinyl alcohol aerogel weighs just 2.1kg per cubic metre [0.13 lb per cubic foot], making it the lightest sound insulation ever manufactured. It could be used as insulation within aircraft engines to reduce noise by up to 16 decibels - reducing the 105-decibel roar of a jet engine taking off to a sound closer to that of a hair-dryer.

机译：[英国浴室大学在6月18日发布了以下新闻发布，关于一个非常轻的碳的材料，由研究人员开发的材料和结构中心，可以用作飞机发动机的绝缘，以减少发动机起飞噪音到16 dB。]一种令人难以置信的轻盈新材料，可以减少飞机发动机噪音，并在浴室大学开发了提高乘客舒适度。石墨烯氧化物 - 聚乙烯醇气凝胶重量仅为每立方米2.1kg [0.13磅/立方英尺]，使其成为最轻的隔音绝缘。它可以用作飞机发动机内的绝缘，以减少噪音最多16分贝 - 减少喷射发动机的105分贝咆哮，从吹干机的声音较近。

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《Airport Noise Report》 |2021年第21期|84-85|共2页
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1. Design of materials for noise reduction in aircraft engines [J] . Florin Paun, Stephane Gasser, Laurent Leylekian Aerospace science and technology . 2003,第1期

机译：飞机发动机降噪材料设计
2. NEW NOZZLE DESIGN COULD CUT F-18 ENGINE NOISE BY 5-8 DB [J] . Airport Noise Report . 2021,第33期

机译：新的喷嘴设计可以将F-18发动机噪声缩短5-8 dB
3. Development of innovative optimized flight paths of aircraft takeoffs reducing noise and fuel consumption [J] . Khardi S. Acta acustica united with acustica . 2011,第1期

机译：开发创新的飞机起飞优化飞行路线，降低噪音和燃油消耗
4. Study on effects of aircraft takeoff thrust reduction on noise at Narita airport [C] . Toshiyasu Nakazawa, Naoaki Shinohara, Kazuyuki Hanaka International congress on exposition noise control engineering . 2018

机译：成田机场飞机起飞推力降低对噪声的影响研究
5. SEPARATION OF AIRBORNE AND STRUCTUREBORNE NOISE RADIATED BY PLATES CONSTRUCTED OF CONVENTIONAL AND COMPOSITE MATERIALS WITH APPLICATIONS FOR PREDICTION OF INTERIOR NOISE PATHS IN PROPELLER DRIVEN AIRCRAFT (ACOUSTIC INTENSITY, DIAGNOSTICS). [D] . MCGARY, MICHAEL C. 1986

机译：用常规材料和复合材料制成的板分离出的空气和结构噪声，并用于预测螺旋桨驱动飞机的内部噪声路径（声学强度，诊断）。
6. Self-rated health status in relation to aircraft noise exposure noise annoyance or noise sensitivity: the results of a cross-sectional study in France [O] . Clémence BAUDIN, Marie LEFÈVRE, Patricia CHAMPELOVIER, 2021

机译：与飞机噪声暴露噪声烦恼或噪声灵敏度相关的自评健康状况：法国横断面研究的结果
7. Multidisciplinary optimization of aircraft design and takeoff operations for low noise [O] . Jones Anya Rachel 2006

机译：飞机设计的多学科优化和低噪音的起飞操作

NEW MATERIAL COULD CUT AIRCRAFT ENGINE NOISE ON TAKEOFF BY 16 DB, UK STUDY SAYS

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