keel-drag ratio

简明释义

龙骨坡度

英英释义

例句

1.Engineers often analyze the keel-drag ratio to improve hull designs.

工程师们常常分析龙骨阻力比以改进船体设计。

2.When racing, teams focus on optimizing the keel-drag ratio for speed.

在比赛中，团队专注于优化龙骨阻力比以提高速度。

3.The keel-drag ratio can significantly affect fuel consumption in larger vessels.

在大型船只中，龙骨阻力比会显著影响燃料消耗。

4.A lower keel-drag ratio typically indicates better performance in water.

较低的龙骨阻力比通常表示在水中的表现更好。

5.The keel-drag ratio is crucial for determining the efficiency of a sailing vessel.

对于确定帆船的效率，龙骨阻力比是至关重要的。

作文

The concept of keel-drag ratio is crucial in the field of naval architecture and marine engineering. It refers to the relationship between the drag force experienced by a vessel's keel and the overall resistance of the hull as it moves through water. Understanding this ratio is essential for optimizing a ship's design for better performance and fuel efficiency. A lower keel-drag ratio indicates that the keel is effectively reducing drag, which can lead to improved speed and maneuverability. This is particularly important for racing yachts and high-performance vessels where every knot counts.In practical terms, the keel-drag ratio can be influenced by various factors, including the shape of the keel, the materials used in its construction, and its positioning relative to the hull. For instance, a well-designed fin keel can significantly reduce drag compared to a traditional full keel. The hydrodynamics involved play a vital role in how water flows around the keel, affecting not only speed but also stability and control of the vessel. To calculate the keel-drag ratio, engineers often use computational fluid dynamics (CFD) simulations, which allow them to visualize and analyze how water interacts with the keel and hull. These simulations can help identify areas where drag can be minimized, leading to more efficient designs. Additionally, real-world testing through model tank experiments or sea trials provides valuable data that can further refine the understanding of this ratio.The importance of the keel-drag ratio extends beyond just performance metrics; it also has environmental implications. As the maritime industry increasingly focuses on sustainability and reducing carbon footprints, optimizing this ratio can lead to lower fuel consumption and reduced emissions. By designing vessels that are more hydrodynamically efficient, shipbuilders contribute to a greener future while still meeting the demands of the shipping industry.Moreover, the keel-drag ratio is not solely relevant to large commercial vessels; it is equally significant for recreational boats and personal watercraft. Boaters looking to enhance their experience on the water should consider how the design of their vessel's keel affects performance. For instance, sailing enthusiasts often seek out boats with favorable keel-drag ratios to ensure they can harness wind power effectively, allowing them to travel faster and more efficiently.In conclusion, the keel-drag ratio is a vital parameter in the design and operation of marine vessels. Its impact on speed, efficiency, and environmental sustainability makes it a key focus for engineers and designers alike. As technology advances and the industry evolves, a deeper understanding of this ratio will undoubtedly lead to innovations that improve the performance and ecological footprint of ships across the globe.

“龙骨阻力比”这一概念在海洋建筑和海洋工程领域至关重要。它指的是船舶龙骨所经历的阻力与船体在水中运动时的整体阻力之间的关系。理解这个比率对于优化船舶设计以提高性能和燃油效率至关重要。较低的“龙骨阻力比”表明龙骨有效地减少了阻力，这可以导致速度和机动性的改善。这一点对于竞赛帆船和高性能船只尤其重要，因为每一个节都至关重要。在实际操作中，“龙骨阻力比”会受到多种因素的影响，包括龙骨的形状、其构造材料以及相对于船体的位置。例如，设计良好的鳍式龙骨相比传统的全龙骨可以显著减少阻力。涉及的水动力学在水流如何绕过龙骨的过程中发挥着至关重要的作用，这不仅影响速度，还影响船舶的稳定性和控制能力。为了计算“龙骨阻力比”，工程师通常使用计算流体力学（CFD）模拟，这使他们能够可视化和分析水与龙骨和船体的相互作用。这些模拟可以帮助识别可以最小化阻力的区域，从而导致更高效的设计。此外，通过模型水槽实验或海上试验进行的实际测试提供了宝贵的数据，可以进一步细化对这一比率的理解。“龙骨阻力比”的重要性不仅限于性能指标；它还有环境影响。随着海事行业日益关注可持续性和减少碳足迹，优化这一比率可以降低燃料消耗和减少排放。通过设计更加水动力高效的船舶，造船商为更绿色的未来做出了贡献，同时仍能满足航运业的需求。此外，“龙骨阻力比”不仅与大型商业船舶相关；对于休闲船只和个人水上交通工具同样重要。希望提升水上体验的船主应考虑其船舶龙骨的设计如何影响性能。例如，帆船爱好者通常寻求具有良好“龙骨阻力比”的船只，以确保他们能够有效利用风力，使他们能够更快、更高效地航行。总之，“龙骨阻力比”是海洋船舶设计和操作中的一个重要参数。它对速度、效率和环境可持续性的影响使其成为工程师和设计师关注的重点。随着技术的发展和行业的演变，对这一比率的更深入理解无疑将导致创新，从而改善全球船舶的性能和生态足迹。