书目名称 | Ship Vibration 2 | 副标题 | Propulsion Shafting | 编辑 | Fidaa Karkori | 视频video | | 概述 | Written to advance the technical approach towards shaft alignment analyses and procedures. Describes shaft alignment procedures and practice.Provides clarification to verify consistency of the survey | 丛书名称 | Synthesis Lectures on Ocean Systems Engineering | 图书封面 |  | 描述 | .Working and living onboard vessels imposes a series of generally low-frequency mechanical vibrations as well as single-impulse shock loads on the human body. Also, exposure to noise is characteristic aboard vessels. Low-frequency vibrations are created by vessel motions, which are produced by the various sea states in conjunction with vessel speed and point of sail. These motions can result in motion sickness, body instability, interruptions of task performance, sleep interruption and fatigue, increased health risk aggravated by shock loads due to slam and reduced human efficiency. Higher-frequency vibration influences comfort and is often associated with rotating machinery. The imposition of higher frequency vibrations (about 1 to 80 Hz) induces corresponding motions and forces within the human body creating discomfort and reduced human efficiency. With regard to noise, the above can similarly affect exposed humans, notably with sleep interruption and resulting fatigue, discomfort, and reduced efficiency. Also of concern are transient and permanent hearing loss, masking of audible signals, and interruption of speech communication. The concerns related to levels and characteristic | 出版日期 | Book 2025 | 关键词 | Hull girder reflections; Propulsion shafting; Vessel; Ship vibration; alignment calculation; alignment me | 版次 | 1 | doi | https://doi.org/10.1007/978-3-031-68082-3 | isbn_softcover | 978-3-031-68084-7 | isbn_ebook | 978-3-031-68082-3Series ISSN 2692-4420 Series E-ISSN 2692-4471 | issn_series | 2692-4420 | copyright | The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerl |
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