model-ship correlation allowance

简明释义

船模-实船换算裕度

英英释义

例句

1.The model-ship correlation allowance helps in minimizing discrepancies between model tests and actual ship performance.

为了最小化模型测试与实际船舶性能之间的差异，模型与船舶的相关性补偿发挥了重要作用。

2.The engineer calculated the model-ship correlation allowance to ensure accurate performance predictions.

工程师计算了模型与船舶的相关性补偿以确保性能预测的准确性。

3.Adjustments were made to the model-ship correlation allowance based on new testing data.

根据新的测试数据，对模型与船舶的相关性补偿进行了调整。

4.The research team presented their findings on the model-ship correlation allowance at the conference.

研究小组在会议上展示了关于模型与船舶的相关性补偿的研究结果。

5.In naval architecture, understanding the model-ship correlation allowance is crucial for effective design.

在船舶建筑中，理解模型与船舶的相关性补偿对有效设计至关重要。

作文

In the field of naval architecture and marine engineering, the term model-ship correlation allowance refers to the adjustments made to account for differences between a scaled model and the actual ship. This concept is crucial in the design and testing phases of shipbuilding, as it ensures that the performance characteristics observed in model tests can be accurately translated to the full-scale vessel. The process of creating a scale model is inherently complex, as various factors such as fluid dynamics, material properties, and environmental conditions can affect the results. Therefore, engineers must apply a model-ship correlation allowance to bridge the gap between model tests and real-world performance. When a ship is constructed, it undergoes extensive testing to determine its hydrodynamic efficiency, stability, and overall performance. Often, these tests are conducted on smaller models in controlled environments, such as towing tanks or wind tunnels. However, these models cannot perfectly replicate every aspect of the full-sized ship due to limitations in scale, material, and the physical phenomena involved. Consequently, the model-ship correlation allowance is introduced to adjust the data obtained from model tests to reflect what can be expected from the actual ship.One of the primary reasons for implementing a model-ship correlation allowance is the difference in Reynolds number between the model and the full-size vessel. The Reynolds number is a dimensionless quantity that helps predict flow patterns in different fluid flow situations. In simpler terms, it indicates whether the flow is laminar or turbulent. Because the model and the full-sized ship operate at different speeds and dimensions, their Reynolds numbers will differ significantly. This discrepancy can lead to variations in drag, lift, and other performance metrics. By applying a model-ship correlation allowance, engineers can compensate for these differences, ensuring that the model's performance data can be accurately applied to the design of the actual ship.Another factor that necessitates the use of a model-ship correlation allowance is the impact of surface roughness and hull form. The materials used in model construction may not mimic the actual ship's surface characteristics, which can alter how water flows over the hull. Furthermore, the shape of the model may be slightly different due to scaling, which can affect its hydrodynamic properties. Engineers must carefully analyze these aspects and make necessary adjustments through the model-ship correlation allowance to ensure that the final design meets performance expectations.In conclusion, the concept of model-ship correlation allowance is vital in the realm of ship design and testing. It serves as a bridge between model testing and real-world application, allowing engineers to make informed decisions based on accurate data. By recognizing the limitations of model testing and applying appropriate allowances, naval architects can enhance the reliability and efficiency of ship designs, ultimately leading to safer and more effective vessels on the water. Understanding and mastering the implications of model-ship correlation allowance is essential for anyone involved in the maritime industry, as it directly influences the success of shipbuilding projects.

在海洋建筑和海洋工程领域，术语模型与船舶相关性补偿指的是为了解决缩放模型与实际船舶之间的差异而进行的调整。这个概念在船舶设计和测试阶段至关重要，因为它确保了在模型测试中观察到的性能特征能够准确地转化到全尺寸船舶上。创建缩放模型的过程本质上是复杂的，因为流体动力学、材料特性和环境条件等各种因素都可能影响结果。因此，工程师必须应用模型与船舶相关性补偿来弥补模型测试与实际性能之间的差距。当一艘船被建造时，它会经过广泛的测试以确定其水动力效率、稳定性和整体性能。通常，这些测试是在控制环境中进行的小型模型上进行的，例如拖曳水槽或风洞。然而，由于规模、材料和涉及的物理现象的限制，这些模型无法完美复制全尺寸船舶的每个方面。因此，引入模型与船舶相关性补偿来调整从模型测试中获得的数据，以反映可以期望的实际船舶的表现。实施模型与船舶相关性补偿的主要原因之一是模型与全尺寸船舶之间雷诺数的差异。雷诺数是一个无量纲量，有助于预测不同流体流动情况下的流动模式。简单来说，它指示流动是层流还是湍流。由于模型和全尺寸船舶在不同的速度和尺寸下运行，它们的雷诺数将显著不同。这种差异可能导致阻力、升力和其他性能指标的变化。通过应用模型与船舶相关性补偿，工程师可以弥补这些差异，确保模型的性能数据可以准确地应用于实际船舶的设计。另一个需要使用模型与船舶相关性补偿的因素是表面粗糙度和船体形状的影响。模型构造中使用的材料可能无法模拟实际船舶的表面特性，这可能改变水流过船体的方式。此外，由于缩放，模型的形状可能略有不同，这可能影响其水动力特性。工程师必须仔细分析这些方面，并通过模型与船舶相关性补偿进行必要的调整，以确保最终设计符合性能预期。总之，模型与船舶相关性补偿的概念在船舶设计和测试领域至关重要。它作为模型测试与实际应用之间的桥梁，使工程师能够根据准确的数据做出明智的决策。通过认识到模型测试的局限性并应用适当的补偿，海洋建筑师可以提高船舶设计的可靠性和效率，最终导致水上更安全、更有效的船舶。理解和掌握模型与船舶相关性补偿的含义对于任何参与海事行业的人来说都是必不可少的，因为它直接影响船舶建造项目的成功。