skin friction

简明释义

表面摩擦

英英释义

例句

1.Reducing skin friction 摩擦力 is crucial for improving the performance of aircraft.

减少skin friction 摩擦力对于提高飞机性能至关重要。

2.In the design of ships, minimizing skin friction 摩擦力 can lead to significant fuel savings.

在船舶设计中，最小化skin friction 摩擦力可以带来显著的燃料节省。

3.The study focused on how skin friction 摩擦力 affects the drag force on a moving object.

研究集中在skin friction 摩擦力如何影响移动物体的阻力。

4.The engineer calculated the skin friction 摩擦力 on the surface of the pipeline to ensure efficient fluid flow.

工程师计算了管道表面的skin friction 摩擦力以确保流体流动的效率。

5.The athlete used specialized gear to reduce skin friction 摩擦力 while swimming.

这位运动员使用特殊装备来减少游泳时的skin friction 摩擦力。

作文

Understanding the concept of skin friction is essential in various fields such as engineering, fluid dynamics, and aerodynamics. Skin friction refers to the resistance encountered by an object moving through a fluid, which is caused by the viscosity of the fluid and the surface characteristics of the object. This phenomenon plays a crucial role in determining the efficiency and performance of vehicles, aircraft, and even ships. In engineering, particularly in the design of vehicles, minimizing skin friction is a key objective. Engineers strive to create surfaces that are smooth and streamlined to reduce this type of drag. For instance, when designing a car, the shape of the body is crafted to allow air to flow over it smoothly, thereby reducing the amount of turbulent airflow that leads to increased skin friction. By doing so, cars can achieve better fuel efficiency and higher speeds.Similarly, in the field of aerodynamics, understanding skin friction is vital for aircraft design. The wings of an airplane are designed with specific shapes and materials to minimize skin friction. Reducing this resistance allows planes to fly more efficiently, saving fuel and improving overall performance. Engineers use computational fluid dynamics (CFD) simulations to predict how air will interact with the aircraft's surfaces, helping them to optimize designs for reduced skin friction.In marine engineering, skin friction also plays a significant role. Ships and submarines experience resistance as they move through water, and like vehicles and aircraft, their designs aim to minimize this effect. Hull designs that are smooth and hydrodynamic can significantly decrease skin friction, leading to faster travel and lower fuel consumption. Additionally, coatings that reduce drag are often applied to the hulls of ships to further decrease skin friction and improve efficiency.It is important to note that while reducing skin friction is beneficial, it must be balanced with other factors such as structural integrity and stability. For example, a surface that is too smooth may not provide enough grip or control, especially in vehicles where traction is necessary for safety. Therefore, engineers must carefully consider the trade-offs involved in their designs.In conclusion, the concept of skin friction is integral to the fields of engineering and fluid dynamics. Its implications affect the design and efficiency of vehicles, aircraft, and ships. By understanding and minimizing skin friction, engineers can create more efficient and effective designs, ultimately leading to advancements in technology and improvements in performance. As we continue to explore and innovate in these fields, the importance of skin friction will remain a critical factor in our designs and applications.

理解皮肤摩擦的概念在工程、流体动力学和空气动力学等多个领域中至关重要。皮肤摩擦指的是物体在流体中移动时遇到的阻力，这种阻力是由流体的粘度和物体表面的特性引起的。这一现象在确定车辆、飞机甚至船舶的效率和性能方面发挥着关键作用。在工程领域，尤其是在车辆设计中，最小化皮肤摩擦是一个主要目标。工程师们努力创造光滑和流线型的表面，以减少这种类型的阻力。例如，在设计汽车时，车身的形状经过精心设计，以便让空气平滑地流过，从而减少导致增加皮肤摩擦的湍流气流。这样做可以使汽车实现更好的燃油效率和更高的速度。同样，在空气动力学领域，理解皮肤摩擦对飞机设计至关重要。飞机的机翼采用特定的形状和材料来最小化皮肤摩擦。减少这种阻力使飞机能够更高效地飞行，节省燃料并改善整体性能。工程师使用计算流体动力学（CFD）模拟来预测空气如何与飞机表面相互作用，帮助他们优化设计以降低皮肤摩擦。在海洋工程中，皮肤摩擦也发挥着重要作用。船舶和潜艇在水中移动时会遇到阻力，与车辆和飞机一样，它们的设计旨在最小化这一影响。光滑且水动力学良好的船体设计可以显著减少皮肤摩擦，从而实现更快的航行和更低的燃料消耗。此外，通常会在船体上施加减少阻力的涂层，以进一步降低皮肤摩擦并提高效率。值得注意的是，虽然减少皮肤摩擦是有益的，但必须与其他因素如结构完整性和稳定性进行平衡。例如，表面如果过于光滑，可能无法提供足够的抓地力或控制力，特别是在需要牵引力以确保安全的车辆中。因此，工程师必须仔细考虑其设计中的权衡。总之，皮肤摩擦的概念对工程和流体动力学领域至关重要。它的影响涉及车辆、飞机和船舶的设计和效率。通过理解和最小化皮肤摩擦，工程师可以创造出更高效和有效的设计，最终推动技术进步和性能改善。随着我们在这些领域中继续探索和创新，皮肤摩擦的重要性将继续成为我们设计和应用中的关键因素。