用非线性外推主曲线设计隔音复合材料的新方法

Cecchini Federico, Cherubini Valeria, F. Fabbrocino, F. Nanni
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引用次数: 2

摘要

摘要:背景:商用车中越来越多地使用高刚度重量比的复合材料结构,这不仅降低了油耗,但另一方面,也显著增加了噪音的传递,尤其是在薄而轻的结构中。噪音是商用交通工具的主要问题,如飞机、直升机和汽车。目前的研究涉及智能材料的使用,如剪切增稠流体(STF,或膨胀剂),以增加隔音性能的制造元件。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Novel Approach to The Design of Sound Insulating Composites by Means of a Non-linearly Extrapolated Master Curve
Received: April 19, 2018 Revised: May 23, 2018 Accepted: June 02, 2018 Abstract: Background: The increasing use of composite structures with a high stiffness-to-weight ratio in commercial vehicles has brought about a reduction in fuel consumption but, on the other hand, has significantly increased noise transmission particularly in case of thin and lightweight structures. Noise is a primary issue for commercial vehicles, such as airplanes, helicopters and cars. The present research deals with the use of smart materials, as Shear-Thickening Fluids (STF, or dilatants) in view of manufacturing elements with increased sound insulation properties.
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