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Vibration Control for Two Air Compressor Units Used in Tandem

World Journal of Engineering and Technology 2014年第4期2卷 314-321页

作者： Viorel-Mihai Nani ioan cires Faculty of Engineering University″Ioan Slavici″TimisoaraTimisoaraRomania Research Department SC PRO ATLAS ING SRL TimisoaraTimisoaraRomania

The paper presents the vibration control for two air compressors used in tandem to an oxygen generating station. The compressors are identical in terms of constructive and functional properties, and are both located on similar foundations. Each compressor is supported on a foundation made from one massive block of concrete, provided with some elastic and damping parts. This anti vibrating structure insulates the machines compared to other station equipment. During operation, were observed dangerous levels of vibration at one of the machines, which forced some unwanted stoppages for the station. Two hypotheses have been promoted. One of them referred to a pronounced wear of one compressor, although this was relatively new. The second hypothesis has taken in consideration the appearance of some cracks in the foundation massive concrete block. Experimental research conducted on the spot led to the identification of some errors done at foundation fabrication. The experimental results and some theoretical investigations are presented in this paper.

关键词： Foundation Harmonic Disturbing Forces Amortized Forced Vibration Vibration Isolation Coefficient of Transmissibility

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