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首页> 外文期刊>The Aeronautical Journal >Life before and after implementation of an acoustic noise reduction enclosure
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Life before and after implementation of an acoustic noise reduction enclosure

机译：实施隔音罩前后的使用寿命

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This paper looks back on the designs and ambitions of ARA in resolving a long term acoustic noise problem which threatened ARA with closure. This paper today briefly looks back to the original issues but deals more fully with the later phases of a two phase project implementation and construction. ARA is now a truly 'silent site', where closure was once threatened, ARA has achieved the implementation of a bespoke noise reduction enclosure where 24-hour running has proved to be a reality. This paper looks at the design and construction phases, the 'before and after' noise footprints and at some of the financial benefits ARA has achieved. The ARA transonic wind tunnel is sited on an industrial estate on the north west perimeter of Bedford. When it was first built it was on an original farm site with no appreciable residential houses in close proximity. Since the early 1950s there has been considerable residential development around the ARA site resulting in the local householders complaining about the wind tunnel acoustic noise. In early 1999 ARA was obliged to consider several options for noise reduction measures to reduce the noise to within UK government statutory requirements. This paper deals briefly with the original noise nuisance characteristics and footprint, the noise reduction design and method that ARA selected and shows the construction phases, the further noise treatment ARA had to do on other major ancillary equipment to make ARA a truly quiet industrial site. The paper shows how ARA has utilised the resulting benefits of these investments to increase productivity and reduce costs, and the influence it has had on ARA's financial health.
机译：本文回顾了ARA的设计和目标，以解决长期存在的噪音问题，该问题会威胁到ARA的封闭。今天的本文简要回顾了最初的问题，但更全面地处理了两阶段项目实施和建设的后期阶段。 ARA现在是一个真正的“寂静之地”，曾经一度受到封锁的威胁，ARA已经实现了定制降噪罩的实施，事实证明，这种降噪罩已实现了24小时运行。本文着眼于设计和施工阶段，“前后”的噪声足迹以及ARA获得的一些财务收益。 ARA跨音速风洞位于贝德福德西北边缘的一个工业区。最初建造时，它位于原始农场，附近没有可观的住宅。自1950年代初以来，ARA站点周围已有相当多的住宅开发项目，导致当地居民抱怨风洞的声学噪声。在1999年初，ARA有义务考虑采取多种降噪措施，以将噪声降低到英国政府法定要求之内。本文简要介绍了ARA的原始噪声滋扰特性和占地面积，降噪设计和方法，并显示了施工阶段，ARA必须在其他主要辅助设备上进行进一步的噪声处理，以使ARA成为真正的安静工业场所。本文显示了ARA如何利用这些投资的收益来提高生产率和降低成本，以及它对ARA财务状况的影响。

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  • 来源
    《The Aeronautical Journal》 |2005年第1092期|p.65-74|共10页
  • 作者

    B. Timmins;

  • 作者单位

    Aircraft Research Association Bedford, UK;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 航空;
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