The Practical Application and Experimental Verification of Transmissibility Function in Ship Mechanical Noise Prediction

ZHOU Jun-wei;HE Lin;XU Rong-wu;CUI Li-lin;

Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (22) : 78-82.

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PDF(1513 KB)
Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (22) : 78-82.
论文

The Practical Application and Experimental Verification of Transmissibility Function in Ship Mechanical Noise Prediction

  • ZHOU Jun-wei1,2, HE Lin1,2, XU Rong-wu1,2, CUI Li-lin1,2
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Abstract

The traditional response estimation model is based on force-response relationship. According to the transmissibility concept in linear time invariant system, a new response estimation method-transmissibility function (TF) method is provided based on response-response relationship. First, the principle of the method is interpreted in mathematic formula and the restriction condition is presented. Then, an engineering technique called operational conditions combination is presented for calculating the transmissibility function (TF) of vibration responses, and the guideline on how to devise the scheme of working conditions is discussed. Finally, the performance of the developed transmissibility function method is validated by a cylindrical double-shell exciting experiment.

Key words

mechanical noise / real-time prediction / frequency response function (FRF) / transmissibility function (TF) / exciting force / operational conditions combination

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ZHOU Jun-wei;HE Lin;XU Rong-wu;CUI Li-lin;. The Practical Application and Experimental Verification of Transmissibility Function in Ship Mechanical Noise Prediction[J]. Journal of Vibration and Shock, 2014, 33(22): 78-82
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