frictional wake

简明释义

摩擦伴流

英英释义

例句

1.The boat created a significant frictional wake as it sped through the water, causing waves to ripple behind it.

这艘船在水中快速行驶时产生了显著的摩擦尾流，导致其后方波浪涌动。

2.In fluid dynamics, understanding the frictional wake is crucial for predicting flow patterns.

在流体动力学中，理解摩擦尾流对预测流动模式至关重要。

3.Engineers studied the frictional wake produced by the aircraft to improve aerodynamics.

工程师们研究了飞机产生的摩擦尾流以改善气动性能。

4.The frictional wake of the racing car was carefully analyzed to enhance its speed on the track.

赛车的摩擦尾流被仔细分析，以提高其在赛道上的速度。

5.As the fish swam, it left behind a small frictional wake that attracted the attention of predators.

当鱼游动时，它留下了一小条摩擦尾流，吸引了捕食者的注意。

作文

In the study of fluid dynamics, the concept of a frictional wake plays a crucial role in understanding how objects move through fluids, such as air or water. The term ‘wake’ refers to the disturbed flow of fluid that occurs behind a moving object. When an object, like a boat or an airplane, moves through a fluid, it creates a region of turbulence and low pressure behind it. This phenomenon is not only fascinating but also essential in various fields, including engineering, aerodynamics, and environmental science.To understand the frictional wake more clearly, let’s consider a simple example: a boat gliding through water. As the boat moves forward, it pushes water aside, creating waves and a turbulent wake behind it. The friction between the water and the hull of the boat contributes to the formation of this wake. The energy lost due to this friction results in a drag force that opposes the boat’s motion. Therefore, the design of the boat's hull is critical in minimizing the frictional wake and enhancing its speed and efficiency.In aerodynamics, the concept of frictional wake is equally important. When an aircraft flies, it displaces air, generating a wake filled with swirling air currents. This wake can affect the performance of other aircraft flying nearby, especially during takeoff and landing phases. Understanding the characteristics of the frictional wake helps engineers design better aircraft that can minimize drag and improve fuel efficiency. Moreover, it is crucial for ensuring safety in aviation, as pilots need to be aware of the potential turbulence created by preceding aircraft.The implications of frictional wake extend beyond just vehicles; they are also significant in environmental studies. For instance, when considering the impact of wind turbines on local ecosystems, scientists must account for the frictional wake created by the turbine blades. This wake can alter wind patterns and affect the distribution of plant and animal life in the surrounding area. By studying these effects, researchers can develop strategies to mitigate any negative impacts on the environment.Furthermore, the frictional wake is not limited to large objects like boats and airplanes. Even small objects, such as a swimmer moving through water, create a wake. The understanding of this concept can help athletes improve their techniques and enhance their performance. Coaches often analyze the frictional wake produced by swimmers to provide feedback on their strokes and body positions, ultimately aiming to reduce drag and increase speed.In conclusion, the term frictional wake encapsulates a vital aspect of fluid dynamics that affects various domains, from transportation to environmental science. By comprehensively understanding how frictional wake is generated and its consequences, we can innovate and improve designs in engineering, enhance safety in aviation, and protect our ecosystems. As we continue to explore the complexities of fluid movement, the study of frictional wake will undoubtedly remain a key area of interest and research.

在流体动力学研究中，摩擦尾流的概念在理解物体如何在流体（如空气或水）中移动方面起着至关重要的作用。‘尾流’一词是指在移动物体后方发生的流体扰动流。当一个物体（如船只或飞机）在流体中移动时，它会在其后方形成一个湍流和低压区域。这种现象不仅令人着迷，而且在工程学、空气动力学和环境科学等多个领域中至关重要。为了更清楚地理解摩擦尾流，我们以一个简单的例子来说明：一艘船在水中滑行。当船向前移动时，它推动水流开，形成波浪和湍流的尾流。水与船体之间的摩擦促成了这一尾流的形成。由于这种摩擦而导致的能量损失产生了一种阻力，与船的运动方向相反。因此，船体的设计对于最小化摩擦尾流、提高速度和效率至关重要。在空气动力学中，摩擦尾流的概念同样重要。当飞机飞行时，它会排开空气，产生充满旋涡气流的尾流。这个尾流可能影响其他飞机在起飞和降落阶段的性能。理解摩擦尾流的特性有助于工程师设计出更好的飞机，从而最小化阻力，提高燃油效率。此外，这对于确保航空安全至关重要，因为飞行员需要意识到前方飞机可能产生的湍流。摩擦尾流的影响不仅限于大型物体；它们在环境研究中也具有重要意义。例如，在考虑风力涡轮机对当地生态系统的影响时，科学家必须考虑涡轮叶片产生的摩擦尾流。这种尾流可以改变风的模式，影响周围地区植物和动物的分布。通过研究这些影响，研究人员可以制定减轻对环境负面影响的策略。此外，即使是小物体，如在水中游泳的游泳者，也会产生尾流。对这一概念的理解可以帮助运动员改善他们的技术，提高他们的表现。教练们常常分析游泳者产生的摩擦尾流，以提供关于他们划水和身体姿势的反馈，最终旨在减少阻力并提高速度。总之，术语摩擦尾流概括了流体动力学中的一个重要方面，影响着交通、环境科学等多个领域。通过全面理解摩擦尾流的产生及其后果，我们可以在工程设计中进行创新和改进，提高航空安全，保护我们的生态系统。随着我们继续探索流体运动的复杂性，摩擦尾流的研究无疑将继续成为一个关键的兴趣和研究领域。