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首页> 外文期刊>Ocean Engineering >Noise sources and hazardous noise levels on fishing vessels: The case of Newfoundland and Labrador's fleet
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Noise sources and hazardous noise levels on fishing vessels: The case of Newfoundland and Labrador's fleet

机译：渔船上的噪声源和有害噪声水平：纽芬兰和拉布拉多船队的情况

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摘要

Fishing is one of the most important and riskier working activity in the province of Newfoundland and Labrador (NL) Canada. Fish harvesters are exposed to many occupational hazards on board fishing vessels. Amongst these, the combination of high noise levels and prolonged exposure on fishing vessels is thought to be responsible for noise induced hearing loss. Also, high noise levels in the crew spaces are known to reduce comfort. This research provides a first look at noise sources and noise levels on fishing vessels in NL.The study first looked at data on fishing vessel types and identified the characteristics of the most common fishing vessels. Vessel inspections identified sources of noise and structural layouts by vessel type. An in-situ program was then carried out to measure noise during seven fishing trips on board different vessels fishing for cod, whelk, lobster and crab, each characterized by different fishing gear and operations. During the trips, noise levels were measured and subsequently processed to identify the main noise components. The research identified the propulsive engine and auxiliary machinery as the main steady state noise sources and showed that the noise is beyond recommended levels for most spaces on the vessels.
机译：钓鱼是加拿大纽芬兰和拉布拉多（NL）省最重要，风险最高的工作之一。捕捞者在渔船上面临许多职业危害。其中，高噪音水平和长时间暴露在渔船上的组合被认为是噪音引起的听力损失的原因。另外，已知乘员空间中的高噪声水平会降低舒适度。这项研究为NL渔船上的噪声源和噪声水平提供了初步了解，该研究首先查看了渔船类型的数据并确定了最常见的渔船的特征。船只检查按船只类型确定了噪声源和结构布局。然后，执行了一项现场计划，以测量在鳕鱼，海藻，龙虾和螃蟹的不同船只上进行的七个捕捞行程中的噪声，每种渔船的特征均在于不同的渔具和操作。在旅途中，对噪音水平进行了测量，然后进行处理以识别主要的噪音成分。研究确定了推进发动机和辅助机械是主要的稳态噪声源，并表明该噪声超出了船舶大多数空间的建议水平。

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