BS EN ISO 10846-2-2008 声学和振动.弹性元件的振动-声学传输性能的实验室测量.第2部分:连续变换活动用弹性支架动态刚性的测定直接法

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标准号:BS EN ISO 10846-2-2008
中文标准名称:声学和振动.弹性元件的振动-声学传输性能的实验室测量.第2部分:连续变换活动用弹性支架动态刚性的测定直接法
英文标准名称:Acoustics and vibration - Laboratory measurement of vibro-acoustic transfer properties of resilient elements -Part 2: Direct method for determination of the dynamic stiffness of resilient supports for translatory motion
标准类型:Z32
发布日期:2008/9/30 12:00:00
实施日期:2008/9/30 12:00:00
中国标准分类号:Z32
国际标准分类号:17.140.01
引用标准:ISO 266;ISO 2041;ISO 5348;ISO 7626-1;ISO 10846-1;ISO 16063-21;ISO/IEC Guide 98-3
适用范围:This part of ISO 10846 specifies a method for determining the dynamic transfer stiffness for translations ofresilient supports, under specified preload. The method concerns the laboratory measurement of vibrations onthe input side and blocking output forces and is called “the direct method”. The method is applicable to testelements with parallel flanges.Resilient elements, which are the subject of this part of ISO 10846, are those which are used to reduce- the transmission of vibration in the lower part of the audible frequency range (typically 20 Hz to 500 Hz) to a structure which may, for example, radiate unwanted fluid-borne sound (airborne, waterborne or others),and- the transmission of low-frequency vibrations (typically 1 Hz to 80 Hz), which may, for example, act uponhuman subjects or cause damage to structures of any size when vibration is too severe.NOTE 1 In practice, the size of the available test rig(s) can restrict the use of very small or very large resilient supports.NOTE 2 Samples of continuous supports of strips and mats are included in this method. Whether or not the sampledescribes the behaviour of the complex system sufficiently is the responsibility of the user of this part of ISO 10846.Measurements for translations normal and transverse to the flanges are covered in this part of ISO 10846.The direct method covers the frequency range from 1 Hz up to a frequency fUL, which is usually determinedby the test rig.NOTE 3 Because of the large variety of test rigs and test elements, fUL is variable. In this part of ISO 10846, theadequacy of the test rig is not defined for a fixed frequency range, but on the basis of measured data, as described in 6.1to 6.4.The data obtained according to the method specified in this part of ISO 10846 can be used for the following:- product information provided by manufacturers and suppliers;- information during product development;- quality control;- calculation of the transfer of vibration energy through isolators.

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