turbulent skn friction

简明释义

湍流摩擦

英英释义

例句

1.The research focused on reducing turbulent skin friction 湍流表面摩擦 to improve fuel efficiency in ships.

研究集中在减少湍流表面摩擦以提高船舶的燃油效率。

2.Engineers use simulations to predict turbulent skin friction 湍流表面摩擦 in various conditions.

工程师使用模拟来预测在各种条件下的湍流表面摩擦。

3.In fluid dynamics, understanding turbulent skin friction 湍流表面摩擦 is crucial for designing efficient pipelines.

在流体动力学中，理解湍流表面摩擦对设计高效管道至关重要。

4.The engineer studied the effects of turbulent skin friction 湍流表面摩擦 on the aircraft's performance during flight.

工程师研究了在飞行过程中，湍流表面摩擦对飞机性能的影响。

5.During the test, the team measured the turbulent skin friction 湍流表面摩擦 on different surface materials.

在测试中，团队测量了不同表面材料上的湍流表面摩擦。

作文

In the world of fluid dynamics, the concept of turbulent skin friction plays a crucial role in understanding how fluids interact with surfaces. Turbulent flow is characterized by chaotic changes in pressure and flow velocity, which can significantly influence the frictional forces acting on an object moving through a fluid. This essay aims to explore the implications of turbulent skin friction in various fields such as engineering, aerodynamics, and environmental science, while also providing insights into its underlying principles.To begin with, it is essential to define what turbulent skin friction means. In simple terms, it refers to the resistance experienced by a surface due to the turbulent flow of a fluid over it. Unlike laminar flow, where fluid particles move in parallel layers with minimal interaction, turbulent flow involves a high degree of mixing and swirling motion. This increased activity leads to greater energy dissipation and higher frictional forces at the interface between the fluid and the surface.In engineering, understanding turbulent skin friction is vital for designing efficient transportation systems. For instance, in the aviation industry, aircraft wings are designed to minimize drag caused by turbulent flow. Engineers utilize computational fluid dynamics (CFD) simulations to predict how air will behave around different wing shapes. By optimizing the design to reduce turbulent skin friction, they can enhance fuel efficiency and overall performance. Similarly, in automotive engineering, reducing drag through careful design can lead to improved fuel economy and reduced emissions.Moreover, turbulent skin friction has significant implications in the field of environmental science. For example, when studying river dynamics, researchers must consider how turbulent flow affects sediment transport. The interaction between flowing water and riverbeds can lead to erosion or deposition of materials, impacting aquatic habitats and water quality. By understanding the principles of turbulent skin friction, scientists can better predict these changes and develop strategies for river management and conservation.In addition to these practical applications, the study of turbulent skin friction also contributes to our theoretical understanding of fluid mechanics. Researchers continue to investigate the complex interactions that occur at the boundary layer where turbulence develops. This area of study not only advances our knowledge of fluid behavior but also informs the development of new technologies, such as more effective heat exchangers and better thermal insulation materials.In conclusion, turbulent skin friction is a fundamental concept in fluid dynamics that has far-reaching implications across various disciplines. From enhancing the efficiency of vehicles to understanding environmental processes, the significance of this phenomenon cannot be overstated. As technology continues to evolve, ongoing research into turbulent skin friction will undoubtedly lead to new innovations and improvements in both engineering and environmental management. Understanding this concept is essential for anyone looking to grasp the complexities of fluid interactions and their impact on the world around us.

在流体动力学的世界中，湍流表面摩擦的概念在理解流体与表面之间的相互作用方面发挥着至关重要的作用。湍流流动的特点是压力和流速的混乱变化，这会显著影响在流体中移动的物体所承受的摩擦力。本文旨在探讨湍流表面摩擦在工程、空气动力学和环境科学等各个领域的影响，同时提供对其基本原理的深入见解。首先，必须定义湍流表面摩擦的含义。简单来说，它是指由于流体的湍流流动而在表面上产生的阻力。与层流不同，层流中流体颗粒以平行层的方式移动，几乎没有相互作用，而湍流流动则涉及高度的混合和涡旋运动。这种活动的增加导致能量耗散加大，并在流体与表面之间产生更高的摩擦力。在工程领域，理解湍流表面摩擦对于设计高效的运输系统至关重要。例如，在航空工业中，飞机机翼的设计旨在最小化由湍流流动引起的阻力。工程师利用计算流体动力学（CFD）模拟来预测空气在不同机翼形状周围的行为。通过优化设计以减少湍流表面摩擦，他们可以提高燃油效率和整体性能。同样，在汽车工程中，通过精心设计减少阻力可以改善燃油经济性并降低排放。此外，湍流表面摩擦在环境科学领域也具有重要意义。例如，在研究河流动力学时，研究人员必须考虑湍流流动如何影响沉积物运输。流动水与河床之间的相互作用可能导致侵蚀或沉积材料，影响水生栖息地和水质。通过理解湍流表面摩擦的原理，科学家可以更好地预测这些变化，并制定河流管理和保护策略。除了这些实际应用外，研究湍流表面摩擦还促进了我们对流体力学的理论理解。研究人员继续调查在湍流发展过程中发生在边界层的复杂相互作用。这一研究领域不仅推动了我们对流体行为的理解，还为新技术的发展提供了信息，例如更有效的热交换器和更好的热绝缘材料。总之，湍流表面摩擦是流体动力学中的一个基本概念，在各个学科中具有深远的影响。从提高车辆效率到理解环境过程，这一现象的重要性不容低估。随着技术的不断发展，对湍流表面摩擦的持续研究无疑将导致工程和环境管理领域的新创新和改进。理解这一概念对于任何希望掌握流体相互作用复杂性及其对我们周围世界影响的人来说都是必不可少的。