turbulent skin friction

简明释义

紊流摩擦

英英释义

例句

1.In fluid dynamics, turbulent skin friction is a critical factor in determining flow resistance.

在流体动力学中，湍流表面摩擦是决定流动阻力的关键因素。

2.Reducing turbulent skin friction can lead to significant fuel savings in marine vessels.

减少湍流表面摩擦可以为海洋船舶带来显著的燃料节省。

3.Engineers use simulations to predict the effects of turbulent skin friction on vehicle performance.

工程师使用模拟来预测湍流表面摩擦对车辆性能的影响。

4.The design of the aircraft wing must account for turbulent skin friction, which affects lift and drag.

飞机机翼的设计必须考虑到湍流表面摩擦，这会影响升力和阻力。

5.The study of turbulent skin friction helps improve the efficiency of wind turbines.

对湍流表面摩擦的研究有助于提高风力涡轮机的效率。

作文

In the field of fluid dynamics, understanding the concept of turbulent skin friction is crucial for engineers and scientists alike. This phenomenon refers to the resistance experienced by an object moving through a fluid, where the flow of the fluid becomes chaotic and irregular. When a fluid flows over a surface, such as the skin of an aircraft or the hull of a ship, it creates friction that can significantly impact the performance and efficiency of these vehicles. The study of turbulent skin friction is essential for optimizing designs and improving fuel efficiency in various applications.When fluid flow is laminar, the layers of fluid slide smoothly past one another, resulting in lower frictional forces. However, as the velocity of the fluid increases or the surface roughness of the object changes, the flow can transition from laminar to turbulent. In turbulent flow, the fluid particles move in a disordered manner, creating eddies and vortices that increase the overall drag on the surface. This increased drag is what we refer to as turbulent skin friction.湍流表面摩擦The significance of turbulent skin friction extends beyond just theoretical studies; it has practical implications in the design of various engineering systems. For instance, in aerospace engineering, reducing turbulent skin friction can lead to lighter aircraft, which in turn can carry more payload or consume less fuel. Engineers often employ techniques such as streamlining surfaces, using specialized coatings, or manipulating the airflow around objects to minimize this form of drag.Moreover, the effects of turbulent skin friction are not limited to air travel. In marine engineering, ships face similar challenges with water resistance. The hull design must account for turbulent skin friction to ensure that vessels can navigate efficiently through water. Understanding how different shapes and materials interact with fluid flow allows engineers to create more efficient designs that save time and resources.Research into turbulent skin friction also plays a vital role in environmental science. For example, understanding how pollutants disperse in water bodies involves studying the turbulent flow patterns and their interactions with various surfaces. By comprehending the principles behind turbulent skin friction, scientists can better predict the movement of contaminants and develop strategies to mitigate their impact on ecosystems.In conclusion, turbulent skin friction is a fundamental concept in fluid dynamics that has far-reaching implications across multiple disciplines. Whether in aerospace, marine engineering, or environmental science, grasping the intricacies of this phenomenon enables professionals to innovate and enhance the efficiency of various systems. As technology continues to advance, the importance of understanding turbulent skin friction will only grow, paving the way for more sustainable and effective engineering solutions.

在流体动力学领域，理解“turbulent skin friction”的概念对工程师和科学家来说至关重要。这一现象指的是物体在流体中移动时所经历的阻力，其中流体的流动变得混乱和不规则。当流体在表面上流动时，例如飞机的表面或船体，它会产生摩擦，这会显著影响这些交通工具的性能和效率。研究“turbulent skin friction”对于优化设计和改善各种应用中的燃油效率至关重要。当流体流动是层流时，流体的各层平滑地滑过彼此，从而导致较低的摩擦力。然而，随着流体速度的增加或物体表面粗糙度的变化，流动可能会从层流转变为湍流。在湍流中，流体颗粒以无序的方式移动，形成涡旋和漩涡，从而增加了表面的整体阻力。这种增加的阻力就是我们所称的“turbulent skin friction”。“turbulent skin friction”的重要性不仅限于理论研究；它在各种工程系统的设计中具有实际意义。例如，在航空航天工程中，减少“turbulent skin friction”可以导致更轻的飞机，从而可以承载更多的有效载荷或消耗更少的燃料。工程师通常采用流线型表面、使用专门涂层或操控物体周围的气流等技术来最小化这种形式的阻力。此外，“turbulent skin friction”的影响并不限于航空旅行。在海洋工程中，船只面临着与水阻相似的挑战。船体设计必须考虑“turbulent skin friction”，以确保船只能够高效地在水中航行。理解不同形状和材料如何与流体流动相互作用使工程师能够创造出更高效的设计，从而节省时间和资源。对“turbulent skin friction”的研究在环境科学中也发挥着重要作用。例如，理解污染物如何在水体中扩散涉及研究湍流流动模式及其与各种表面的相互作用。通过理解“turbulent skin friction”背后的原理，科学家能够更好地预测污染物的运动，并制定减轻其对生态系统影响的策略。总之，“turbulent skin friction”是流体动力学中的一个基本概念，在多个学科中具有深远的影响。无论是在航空航天、海洋工程还是环境科学中，掌握这一现象的复杂性使专业人士能够创新并提高各种系统的效率。随着技术的不断进步，理解“turbulent skin friction”的重要性将只会增加，为更可持续和有效的工程解决方案铺平道路。