calm-water resistance

简明释义

静水阻力

英英释义

Calm-water resistance refers to the resistance encountered by a vessel or object moving through water that is relatively still or undisturbed, typically characterized by minimal waves and currents.

平静水域阻力是指在相对静止或不受干扰的水中移动的船只或物体所遇到的阻力，通常以波浪和水流最小为特征。

例句

1.Understanding calm-water resistance 静水阻力 is crucial for optimizing fuel efficiency in boating.

理解静水阻力对于优化船只的燃油效率至关重要。

2.The boat's design minimizes calm-water resistance 静水阻力, allowing for faster speeds on tranquil lakes.

这艘船的设计最大限度地减少了静水阻力，使其在宁静的湖面上能够更快行驶。

3.The kayak's streamlined shape helps to decrease calm-water resistance 静水阻力, making paddling easier.

这款皮划艇的流线型设计有助于减少静水阻力，使划桨更加轻松。

4.Sailing in calm-water resistance 静水阻力 conditions requires different techniques than in rough waters.

在静水阻力条件下航行需要与在波涛汹涌的水域中不同的技巧。

5.To improve efficiency, engineers focused on reducing calm-water resistance 静水阻力 in the new hull design.

为了提高效率，工程师们专注于减少新船体设计中的静水阻力。

作文

In the realm of physics and engineering, the concept of resistance often comes into play, especially when discussing fluid dynamics. One particular term that stands out is calm-water resistance, which refers to the resistance experienced by an object moving through a body of still water. Understanding calm-water resistance is essential for various applications, including naval architecture, marine engineering, and even recreational boating.When a vessel moves through calm water, it encounters resistance that can be attributed to several factors. The primary component of calm-water resistance is the drag force, which is influenced by the shape of the hull, the speed of the vessel, and the viscosity of the water. A streamlined hull design minimizes drag, allowing the vessel to glide more efficiently through the water. In contrast, a flat-bottomed or bulky hull creates more turbulence, increasing the calm-water resistance and requiring more energy to maintain speed.Another important aspect of calm-water resistance is its relationship with speed. As a vessel accelerates, the resistance it faces also increases due to the square of the speed. This means that small increases in velocity can lead to significant increases in drag. For instance, if a boat is designed to travel at a specific cruising speed, understanding the calm-water resistance it will encounter at that speed is crucial for determining fuel efficiency and overall performance.Furthermore, the impact of calm-water resistance is not limited to large vessels. Even small boats and personal watercraft experience this resistance, which affects their handling and maneuverability. For recreational boaters, being aware of how calm-water resistance influences their craft can enhance their experience on the water. It can inform decisions about speed, fuel consumption, and even safety, as higher resistance can lead to slower response times during navigation.In addition to practical applications, the study of calm-water resistance also has implications for environmental considerations. As vessels strive for greater efficiency, reducing calm-water resistance becomes a priority not only for performance but also for minimizing fuel consumption and, consequently, reducing emissions. Advances in technology, such as the use of computer simulations and fluid dynamics modeling, allow engineers to optimize hull designs to achieve lower resistance in calm water.In conclusion, the term calm-water resistance encapsulates a critical concept in fluid dynamics that has far-reaching implications in various fields. Whether one is involved in designing ships, operating recreational boats, or studying environmental impacts, a thorough understanding of calm-water resistance is vital. As we continue to explore the intricacies of movement through water, this knowledge will undoubtedly contribute to innovations that enhance efficiency and sustainability in marine activities.

在物理和工程领域，阻力的概念经常出现，特别是在讨论流体动力学时。有一个特别的术语引人注目，那就是平静水域阻力，它指的是物体在静止水体中移动时所遇到的阻力。理解平静水域阻力对于各种应用至关重要，包括海洋建筑、海洋工程，甚至休闲航行。当一艘船在平静水中移动时，它会遇到几种因素造成的阻力。平静水域阻力的主要组成部分是阻力，这受到船体形状、船速和水的粘度的影响。流线型的船体设计可以最小化阻力，使船只能够更高效地滑行在水面上。相反，平底或笨重的船体会产生更多的湍流，从而增加平静水域阻力，需要更多的能量来维持速度。平静水域阻力的另一个重要方面是它与速度的关系。当船只加速时，它所面临的阻力也会因速度的平方而增加。这意味着速度的小幅增加可能会导致阻力的显著增加。例如，如果一艘船被设计为以特定巡航速度行驶，了解在该速度下它将遇到的平静水域阻力对于确定燃油效率和整体性能至关重要。此外，平静水域阻力的影响不仅限于大型船只。即使是小型船只和个人水上交通工具也会经历这种阻力，这影响它们的操控性和机动性。对于休闲航行者来说，了解平静水域阻力如何影响他们的船只可以增强他们在水上的体验。它可以为关于速度、燃料消耗甚至安全的决策提供信息，因为更高的阻力可能会导致导航时的响应时间变慢。除了实际应用外，研究平静水域阻力还对环境考虑有影响。随着船只追求更高的效率，减少平静水域阻力不仅成为提高性能的优先事项，也成为最小化燃料消耗和因此减少排放的优先事项。技术的进步，如计算机模拟和流体动力学建模的使用，使工程师能够优化船体设计，以实现平静水域中的更低阻力。总之，术语平静水域阻力概括了流体动力学中一个关键概念，其在各个领域具有深远的影响。无论是参与船舶设计、操作休闲船只，还是研究环境影响，全面理解平静水域阻力都是至关重要的。随着我们继续探索水中运动的复杂性，这一知识无疑将促进提升海洋活动效率和可持续性的创新。