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Measures of vibration exposure for a high-speed craft crew
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine.
2011 (English)In: Journal of Engineering for the Maritime Environment (Part M), ISSN 1475-0902, Vol. 225, no 4, 338-349 p.Article in journal (Refereed) Published
Abstract [en]

The paper compares measurement-based measures for human vibration exposure. Data were collected during sea trials on a 10 m, 50 kn coastguard craft equipped with a three-axial accelerometer at the coxswain seat and with vertically mounted gauges measuring the acceleration of the cockpit floor. The ISO 2631-1:1997 measures of vibration (namely the root-mean-square (r.m.s.) value of the whole-body vibration (determined from the frequency-weighted acceleration signal), the maximum transient vibration value (MTVV), and the vibration dose value), the ISO 2631-5:2004 measure (namely the daily equivalent static compression dose Sed), and also statistically based measures to evaluate the acceleration magnitude are compared and discussed with respect to their ability to identify the mitigating effect of the suspension seat and how the different measures rank the severity of the high-speed craft (HSC) ride. The paper concludes that the r.m.s. value and the MTVV are unsuitable for evaluation of the conditions aboard while the other investigated measures show potential in this respect. Further the approach of ISO 2631-5:2004 taking both the short-term and the long-term perspectives on the human exposure to vibration is concluded to be the most mature method well suited to evaluation of HSC conditions.

Place, publisher, year, edition, pages
London: IMechE , 2011. Vol. 225, no 4, 338-349 p.
Keyword [en]
whole-body vibration, high-speed craft, sea trials, ISO 2631-1:1997, 1997, ISO 2631-5:2004
National Category
Marine Engineering
URN: urn:nbn:se:umu:diva-49974DOI: 10.1177/1475090211418747ISI: 000296227000003OAI: diva2:458427
Proceedings of the Institution of Mechanical EngineersAvailable from: 2011-11-23 Created: 2011-11-22 Last updated: 2011-11-28Bibliographically approved

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Burstrom, Lage
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