surface friction drag

简明释义

摩擦阻力

英英释义

例句

1.Swimmers often use specialized suits to decrease surface friction drag (表面摩擦阻力) in water.

游泳者常常使用专门的泳衣来减少水中的表面摩擦阻力 (surface friction drag)。

2.Engineers analyze surface friction drag (表面摩擦阻力) when testing new car designs in wind tunnels.

工程师在风洞测试新车设计时分析表面摩擦阻力 (surface friction drag)。

3.In marine engineering, reducing surface friction drag (表面摩擦阻力) on ship hulls is crucial for faster travel.

在海洋工程中，减少船体上的表面摩擦阻力 (surface friction drag)对更快的航行至关重要。

4.The reduction of surface friction drag (表面摩擦阻力) is essential for high-speed trains to maintain speed.

减少表面摩擦阻力 (surface friction drag)对高速列车保持速度至关重要。

5.The design of the aircraft's wings must minimize surface friction drag (表面摩擦阻力) to improve fuel efficiency.

飞机机翼的设计必须尽量减少表面摩擦阻力 (surface friction drag)以提高燃油效率。

作文

In the field of fluid dynamics, understanding the various forces acting on an object immersed in a fluid is crucial for optimizing performance and efficiency. One significant force that must be considered is surface friction drag. This term refers to the resistance encountered by an object as it moves through a fluid due to the friction between the surface of the object and the fluid itself. The amount of surface friction drag experienced by an object depends on several factors, including the texture of the object's surface, the velocity of the fluid, and the properties of the fluid. For instance, when considering the design of a streamlined vehicle, engineers must pay close attention to the shape and surface material of the vehicle. A smooth, sleek surface can minimize surface friction drag, allowing the vehicle to move more efficiently through the air or water. In contrast, a rough surface can significantly increase surface friction drag, leading to greater energy consumption and reduced speed. This principle is not only applicable to vehicles but also to a wide range of objects, from aircraft wings to underwater submarines. Additionally, the concept of surface friction drag is essential in sports science, particularly in swimming and cycling. Athletes in these sports often utilize specialized suits or equipment designed to reduce surface friction drag to enhance their performance. For example, competitive swimmers wear streamlined swimsuits that minimize resistance in the water, thereby allowing them to swim faster with less effort. Similarly, cyclists may use aerodynamic helmets and clothing to decrease surface friction drag and gain a competitive edge during races. Moreover, understanding surface friction drag has implications beyond just performance; it also plays a critical role in environmental considerations. For example, ships and boats are designed with hull shapes that aim to reduce surface friction drag to improve fuel efficiency and decrease greenhouse gas emissions. By minimizing the resistance they encounter while moving through water, these vessels can travel further on less fuel, contributing to more sustainable practices in maritime transport. In conclusion, surface friction drag is a fundamental concept in fluid dynamics that affects a wide range of applications, from engineering and sports to environmental sustainability. By understanding and optimizing this force, designers and athletes can enhance performance, improve efficiency, and contribute to a more sustainable future. As we continue to explore the complexities of fluid interactions, the importance of minimizing surface friction drag will remain a key focus across various fields of study and industry.

在流体动力学领域，理解浸入流体中的物体所受的各种力对于优化性能和效率至关重要。其中一个重要的力就是表面摩擦阻力。这个术语指的是物体在流体中运动时，由于物体表面与流体之间的摩擦而遇到的阻力。物体所经历的表面摩擦阻力的大小取决于多个因素，包括物体表面的纹理、流体的速度以及流体的特性。例如，在考虑流线型车辆的设计时，工程师必须密切关注车辆的形状和表面材料。光滑、流线型的表面可以最小化表面摩擦阻力，使车辆能够更高效地穿过空气或水。相反，粗糙的表面会显著增加表面摩擦阻力，导致能量消耗增加和速度降低。这一原理不仅适用于车辆，也适用于各种物体，从飞机机翼到水下潜艇。此外，表面摩擦阻力的概念在体育科学中也至关重要，尤其是在游泳和骑行等运动中。这些运动的运动员常常利用专门设计的服装或设备来减少表面摩擦阻力，以提高他们的表现。例如，竞技游泳运动员穿着流线型泳衣，以最小化在水中的阻力，从而让他们以更少的努力游得更快。类似地，骑自行车的人可能会使用空气动力学头盔和服装，以减少表面摩擦阻力，在比赛中获得竞争优势。此外，理解表面摩擦阻力不仅影响表现，还对环境考虑有重要意义。例如，船只和小艇的设计采用了旨在减少表面摩擦阻力的船体形状，以提高燃油效率并减少温室气体排放。通过最小化它们在水中移动时遇到的阻力，这些船只可以在更少的燃料上行驶更远，从而为海洋运输的可持续实践做出贡献。总之，表面摩擦阻力是流体动力学中的一个基本概念，影响着从工程、体育到环境可持续性等广泛应用。通过理解和优化这种力，设计师和运动员可以提高性能、改善效率，并为更可持续的未来做出贡献。随着我们继续探索流体相互作用的复杂性，最小化表面摩擦阻力的重要性将在各个研究领域和行业中保持重点关注。