skin friction force

简明释义

表面摩擦力

英英释义

例句

1.In aerodynamics, minimizing the skin friction force 表面摩擦力 is crucial for improving aircraft performance.

在空气动力学中，最小化skin friction force 表面摩擦力对提高飞机性能至关重要。

2.The skin friction force 表面摩擦力 affects the drag experienced by vehicles moving through water.

在水中移动的车辆所经历的阻力受到skin friction force 表面摩擦力的影响。

3.Researchers are studying how to reduce the skin friction force 表面摩擦力 in pipeline systems.

研究人员正在研究如何减少管道系统中的skin friction force 表面摩擦力。

4.The engineer calculated the skin friction force 表面摩擦力 acting on the surface of the ship's hull.

工程师计算了作用于船体表面的skin friction force 表面摩擦力。

5.The skin friction force 表面摩擦力 plays a significant role in the design of underwater vehicles.

在水下车辆的设计中，skin friction force 表面摩擦力起着重要作用。

作文

In the study of fluid dynamics, one of the essential concepts that engineers and scientists must understand is the concept of skin friction force. This term refers to the resistance encountered by an object as it moves through a fluid, such as air or water. The skin friction force is primarily caused by the viscosity of the fluid, which is a measure of its thickness or resistance to flow. When an object moves through a fluid, the layers of fluid closest to the object's surface tend to stick to it due to this viscosity, leading to a drag force that opposes the motion of the object. The importance of understanding skin friction force cannot be overstated, particularly in fields such as aerospace engineering, marine engineering, and automotive design. For instance, in aircraft design, reducing the skin friction force can significantly enhance fuel efficiency and overall performance. Engineers often employ various techniques to minimize this force, such as streamlining the shape of the aircraft or using special coatings that reduce surface roughness.In marine applications, the skin friction force plays a critical role in the design of ships and submarines. A vessel with a smooth hull will experience less resistance as it moves through water, allowing it to travel faster and consume less fuel. Therefore, naval architects invest considerable effort into designing hull shapes and materials that can effectively reduce skin friction force.Moreover, the concept of skin friction force is not only limited to large-scale engineering projects. It also has implications in everyday life. For example, when a swimmer moves through water, their body experiences skin friction force, which can slow them down. Competitive swimmers often wear specially designed suits that aim to reduce this friction, allowing them to glide more efficiently through the water.Understanding the factors that influence skin friction force is crucial for improving performance in various applications. Factors such as surface roughness, fluid velocity, and the viscosity of the fluid all play significant roles in determining the magnitude of this force. For instance, a rough surface will create more turbulence in the fluid, increasing the skin friction force compared to a smooth surface. Similarly, higher fluid velocities can lead to greater frictional forces, necessitating careful consideration in design processes.In conclusion, the skin friction force is a fundamental concept in fluid dynamics that affects a wide range of applications, from transportation to sports. By understanding and mitigating this force, engineers and designers can improve efficiency and performance, making it a vital area of study in both theoretical and practical contexts. As technology continues to advance, the methods for analyzing and reducing skin friction force will likely evolve, leading to even greater innovations in engineering and design.

在流体动力学研究中，工程师和科学家必须理解的一个基本概念是表面摩擦力。这个术语指的是物体在流体（如空气或水）中移动时遇到的阻力。表面摩擦力主要是由流体的粘度引起的，粘度是流体厚度或流动阻力的度量。当一个物体在流体中移动时，最靠近物体表面的流体层由于这种粘度而倾向于附着在物体上，从而产生一种与物体运动相反的阻力。理解表面摩擦力的重要性不容小觑，特别是在航空工程、海洋工程和汽车设计等领域。例如，在飞机设计中，减少表面摩擦力可以显著提高燃油效率和整体性能。工程师通常采用各种技术来最小化这种力量，例如使飞机形状流线型或使用特殊涂层以减少表面粗糙度。在海洋应用中，表面摩擦力在船舶和潜艇的设计中发挥着关键作用。具有光滑船体的船只在水中移动时会遭遇更少的阻力，从而能够更快地行驶并消耗更少的燃料。因此，海军建筑师花费大量精力设计能够有效减少表面摩擦力的船体形状和材料。此外，表面摩擦力的概念不仅限于大型工程项目。它在日常生活中也有影响。例如，当游泳者在水中移动时，他们的身体会经历表面摩擦力，这可能会减缓他们的速度。竞技游泳者通常穿着专门设计的泳衣，旨在减少这种摩擦，使他们能够更有效地在水中滑行。理解影响表面摩擦力的因素对于改善各种应用中的性能至关重要。表面粗糙度、流体速度和流体粘度等因素在确定这种力量的大小方面都发挥着重要作用。例如，粗糙表面会在流体中产生更多的湍流，增加表面摩擦力，而平滑表面则会减少。同样，较高的流体速度也会导致更大的摩擦力，因此在设计过程中需要仔细考虑。总之，表面摩擦力是流体动力学中的一个基本概念，影响着广泛的应用，从交通运输到体育运动。通过理解和减轻这种力量，工程师和设计师可以提高效率和性能，使其成为理论和实践研究中的一个重要领域。随着技术的不断进步，分析和减少表面摩擦力的方法可能会不断演变，带来更大的工程和设计创新。