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Title: STUDY OF THE VIBRATION TRANSMITTED TO THE CREW BY THE EQUIPMENT OF A RIVERBOAT BEFORE REPAIRS
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STUDY OF THE VIBRATION TRANSMITTED TO THE CREW BY THE EQUIPMENT OF A RIVERBOAT BEFORE REPAIRS
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1314-2704
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English
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19
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5.2
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This paper examines the level of vibrations transmitted to the crew on a river ship. This ship made a test cruise on the Danube, between Braila and Galati, round-trip (32Km). This cruise was done before the ship was repaired, to compare the levels of vibrations before and after the repairs and to check their efficiency. There were determined both the vibrations produced by the ship's equipment (engine, generator) and those to which crew members are subjected in the areas where they spend most of their time. To determine the level of vibrations transmitted to the crew, several sets of determinations were made on two sailors, on the main deck and in the recreation room. Triaxial accelerometers were used to measure the accelerations in all three directions. The measurements showed that level on the Oz axis is 7.8% higher than those on Ox and Oy. Also, the acceleration averages in the recreation room are lower by 8.7% compared to those obtained on the main deck. The measured vibration values were compared to the limits imposed by EU Vibration Directive (2002/44). Exceeding the daily exposure limit for whole body vibrations by 97.78% confirms the need for reparations to reduce the level of vibrations transmitted to the crew.
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 30 June - 6 July, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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695-700
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30 June - 6 July, 2019
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website
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cdrom
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6139
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river ship; crew; vibrations; acceleration; daily exposure limit
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