hull surface roughness

简明释义

船体表面粗糙度

英英释义

例句

1.The hull surface roughness affects the vessel's hydrodynamic efficiency.

船体的表面粗糙度会影响船只的水动力效率。

2.To minimize drag, engineers must carefully measure the hull surface roughness during the design phase.

为了最小化阻力，工程师必须在设计阶段仔细测量船体表面粗糙度。

3.Regular maintenance is required to keep the hull surface roughness within acceptable limits.

定期维护是保持船体表面粗糙度在可接受范围内所必需的。

4.The ship's speed can be significantly affected by the hull surface roughness caused by barnacle growth.

船体因海螺生长而造成的表面粗糙度会显著影响船速。

5.Innovative coatings are being developed to reduce hull surface roughness and improve fuel efficiency.

正在开发创新涂层，以减少船体表面粗糙度并提高燃油效率。

作文

The term hull surface roughness refers to the texture and irregularities present on the exterior surface of a ship's hull. This aspect is crucial in naval architecture and marine engineering as it significantly impacts the hydrodynamic performance of vessels. The hull surface roughness can influence how water flows around the hull, affecting drag and fuel efficiency. A smoother hull typically allows for better water flow, reducing resistance and enhancing speed. Conversely, a rougher surface may increase turbulence, resulting in higher drag forces that require more energy to overcome.In practical terms, the hull surface roughness can be affected by various factors including the materials used in construction, the painting and coating processes, and the wear and tear from environmental conditions. For instance, barnacles and other marine growth can accumulate on the hull, increasing roughness and thereby impacting the vessel's performance. Regular maintenance and cleaning are essential to ensure that the hull remains as smooth as possible, thereby minimizing the adverse effects of increased roughness.Moreover, during the design phase of a ship, engineers must consider the hull surface roughness when selecting materials and finishes. High-performance vessels often utilize advanced coatings that reduce surface friction and improve overall efficiency. These coatings not only enhance the aesthetic appeal of the vessel but also provide functional benefits that contribute to longer operational life and lower operational costs.Research in fluid dynamics has shown that even minor changes in hull surface roughness can lead to significant differences in performance. For example, studies have indicated that reducing hull roughness by just a few micrometers can result in a noticeable decrease in fuel consumption over time. This is particularly important in commercial shipping, where fuel costs can represent a substantial portion of operating expenses.In summary, understanding hull surface roughness is vital for optimizing the design and operation of marine vessels. It encompasses various aspects of shipbuilding and maintenance, influencing both performance and efficiency. As the maritime industry continues to evolve, innovations aimed at reducing hull surface roughness will likely play a pivotal role in enhancing the sustainability and cost-effectiveness of shipping operations. By prioritizing smooth hull surfaces, shipbuilders and operators can achieve better performance while also contributing to environmental conservation efforts through reduced fuel consumption and emissions.

“hull surface roughness”一词指的是船体外部表面上的纹理和不规则性。这一方面在海洋建筑和海洋工程中至关重要，因为它显著影响船舶的水动力性能。hull surface roughness可以影响水流绕过船体的方式，从而影响阻力和燃料效率。通常来说，更光滑的船体允许更好的水流，减少阻力并提高速度。相反，更粗糙的表面可能会增加湍流，导致更高的阻力，需要更多的能量来克服。在实际应用中，hull surface roughness可能受到多种因素的影响，包括建造中使用的材料、涂漆和涂层工艺以及环境条件造成的磨损。例如，海葵和其他海洋生物可能会在船体上积聚，增加粗糙度，从而影响船舶的性能。定期的维护和清洁对于确保船体尽可能光滑至关重要，从而最小化粗糙度增加的不利影响。此外，在船舶设计阶段，工程师在选择材料和涂层时必须考虑到hull surface roughness。高性能船舶通常采用先进的涂层，以降低表面摩擦并提高整体效率。这些涂层不仅增强了船舶的美观性，还提供了功能性好处，有助于延长操作寿命并降低运营成本。流体动力学的研究表明，即使是微小的hull surface roughness变化也会导致性能的显著差异。例如，研究表明，仅通过减少几微米的船体粗糙度，就可以在一段时间内显著降低燃料消耗。这在商业航运中尤为重要，因为燃料成本可能占运营费用的相当大一部分。总之，理解hull surface roughness对于优化海洋船舶的设计和运营至关重要。它涵盖了船舶建造和维护的各个方面，影响着性能和效率。随着海事行业的不断发展，旨在减少hull surface roughness的创新可能在提高航运运营的可持续性和成本效益方面发挥关键作用。通过优先考虑光滑的船体表面，船舶制造商和运营商可以实现更好的性能，同时通过降低燃料消耗和排放为环境保护做出贡献。