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Analysis of a practical method for estimating the ship's best possible speed when passing under bridges or other suspended obstacles

机译：在通过桥梁或其他悬浮障碍时估算船舶最佳速度的实用方法

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The purpose and scope of this article is to present the best marine practices and author's own researches used to determine the ship's domain height understood here as a ship's air draft increased by required overhead clearance (OHC) and analysis the safest and best possible speed of the ship when passing under bridges or other suspended water obstacles (power cables, rope-ways, pipes, natural rock vaults etc.). The author also presents a method that can be used to estimate the so-called navigational risk factor RNH (specified in the range from 0 to 1) developed in relation to obstacles suspended above water surface on the ship's crossing route based on the analysis of a three-dimensional model of the ship's domain. The essence of the method proposed in this paper is a systematic approach to the operation of a seagoing ship in the aspect of assessing its navigation safety (navigational risk factor) when manoeuvring in restricted sea areas, in particular when passing under bridges or other suspended obstacles.
机译：本文的目的和范围是展示最好的海洋法实践和作者自己的研究，用于确定船舶的域名高度在此理解为船舶的航空司令部通过所需的架空清除（OHC）增加，并分析最安全和最佳速度通过桥梁或其他悬浮水障碍物（电源线，绳索，管道，天然岩石拱顶等）。作者还提供了一种方法，可以用于估计所谓的导航风险因子RNH（从0到1的范围内指定）基于船舶交叉路线上的水面上的障碍物，基于A的分析船舶域的三维模型。本文提出的方法的本质是在评估其导航安全（导航风险因素）时，在限制海域的操纵时，尤其是在桥梁或其他悬浮障碍物时进行航行（导航风险因素）的系统方法。 。

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