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首页> 外文期刊>Transactions of Navigation >Comparison of Underwater Cruising Noise in Fuel-Cell Fishing Vessel, Same-Hull-Form Diesel Vessel, and Aquaculture Working Vessel
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Comparison of Underwater Cruising Noise in Fuel-Cell Fishing Vessel, Same-Hull-Form Diesel Vessel, and Aquaculture Working Vessel

机译：燃料电池渔船，同船型柴油船和水产养殖工作船中水下巡航噪声的比较

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摘要

Hydrogen fuel-cells produced using surplus electric power and industrial by-products have desired energy efficiency and do not produce discharges containing atmospheric toxic substances such as carbon dioxide and NOx. The development of a vehicle and a vessel that can transport hydrogen fuel cells is considered at present. In the case of the vessel, a decrease in the underwater noise is an additional advantage. In this study, we considered the differences between the amplitude and frequency characteristics of underwater noise of a fuel-cell, small diesel, and aquaculture working vessels. Recordings were acquired based on four speed condition of 4, 8, 10, and 14 knots. The radiated underwater noise spectrum levels (RNL , dB re 1μ Pa/√Hz at 1 m) were calculated from the recording sounds. The RNLs of the fuel-cell vessel at every speed were lower than those of the other vessels and less than 300 Hz of the sound frequency. In contrast, the RNL of the aquaculture working vessel exhibited some peaks for low frequencies less than 300 Hz, and it was thought that engine noise had a considerable influence on this behavior.
机译：使用剩余电力和工业副产品生产的氢燃料电池具有所需的能源效率，并且不会产生包含大气有毒物质（例如二氧化碳和NOx）的排放物。目前正在考虑开发能够运输氢燃料电池的车辆和船舶。在船舶的情况下，降低水下噪音是另一个优点。在这项研究中，我们考虑了燃料电池，小型柴油机和水产养殖工作船的水下噪声的幅度和频率特性之间的差异。根据4节，8节，10节和14节的四个速度条件获取记录。从记录的声音中计算出辐射的水下噪声频谱水平（RNL，dB re 1 i Pa /√Hz在1 m处）。燃料电池容器在每种速度下的RNL均低于其他容器，且声频小于300 Hz。相反，对于小于300 Hz的低频，水产养殖工作容器的RNL表现出一些峰值，并且认为发动机噪声对此行为有相当大的影响。

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