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Low Noise Cabin Design for Construction Equipment
Technical Paper
2013-01-1919
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Recently, the noise regulations are being reinforced to restrict the noise levels in the workplace and to protect the operator on the construction equipment. So, the cabin noise level is one of the crucial barometers determining the quality of construction equipment.
In this paper, numerical and experimental studies for the identification of noise sources and noise transmission paths were carried out for the cabin noise control of construction equipment. First of all, measurements of sound absorption, transmission and radiation noise were performed using cabin assembly models. Noise contribution factors of cabin components were obtained through these measurements. Using these results, cabin noise levels were re-analyzed. The calculated noise levels for cabin model were confirmed to agree well with measurement results within 3dB [1]. Furthermore, acoustic resonance can be avoided at the design stage to control the booming noise.
The established method was applied to wheel loader for prediction and control of cabin noise. It is expected to be very helpful in the design stage for low noise construction equipment.
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Authors
Citation
Kim, K., Kim, H., and Joo, W., "Low Noise Cabin Design for Construction Equipment," SAE Technical Paper 2013-01-1919, 2013, https://doi.org/10.4271/2013-01-1919.Also In
References
- Lee Tae-Kyoung , Joo Won-Ho , and Bae Jong-Gug Experimental Study for Construction Equipment's Cabin Noise Control Proceedings of the Korean Society for Noise and Vibration Engineering Conference 84 89 April 2009
- Jangbam Chai Design sensitivity studies for statistical energy analysis modeling of construction vehicle cab Transactions of the Korean Society for Noise and Vibration Engineering 8 4 609 615 1998
- Tanabe Yosuke et al. Transfer path analysis to hydraulic excavator for reducing cabin noise caused by hydraulic pulsation Proceedings of the Inter-Noise 2008 2008
- ISO 140-4 Field measurements of airborne sound insulation between rooms
- ASTM C 423-02a Standard test method for sound absorption and sound absorption coefficients by the reverberation room method
- ISO 3382 Acoustics : Reverberation time measurement