laminar drag

简明释义

层流阻力

英英释义

例句

1.In aerodynamics, reducing laminar drag 层流阻力 can significantly improve the efficiency of an aircraft.

在空气动力学中，减少层流阻力可以显著提高飞机的效率。

2.A smooth surface on the wings can help reduce laminar drag 层流阻力 during flight.

机翼上的光滑表面可以帮助减少飞行中的层流阻力。

3.Engineers tested various shapes to find the one that produced the least laminar drag 层流阻力 in wind tunnel experiments.

工程师们测试了各种形状，以找到在风洞实验中产生最小层流阻力的形状。

4.Understanding laminar drag 层流阻力 is crucial for optimizing the performance of submarines.

理解层流阻力对于优化潜艇的性能至关重要。

5.The design of the car body aimed to minimize laminar drag 层流阻力 for better fuel economy.

汽车车身的设计旨在最小化层流阻力以提高燃油经济性。

作文

In the field of fluid dynamics, understanding the various forces acting on an object moving through a fluid is crucial. One such force is known as laminar drag, which refers to the resistance experienced by an object when it moves through a fluid in a smooth, streamlined manner. This type of drag occurs when the flow of the fluid around the object remains orderly and layers of fluid slide past one another without mixing. Unlike turbulent drag, where the flow becomes chaotic and irregular, laminar drag is characterized by a predictable and stable flow pattern.The significance of laminar drag can be observed in various applications, from aerodynamics in aviation to hydrodynamics in marine engineering. For example, aircraft are designed with specific shapes that promote laminar drag to enhance fuel efficiency and performance. When an airplane's wings are shaped to allow air to flow smoothly over them, the laminar drag is minimized, resulting in lower fuel consumption and increased lift.Similarly, in the design of boats and submarines, engineers strive to achieve laminar drag to reduce the energy required for movement through water. A hull designed to facilitate laminar flow can significantly improve a vessel's speed and fuel efficiency. Understanding the principles of laminar drag allows designers to create more efficient vehicles that can travel faster and consume less energy.Moreover, laminar drag plays a critical role in the development of sports equipment. Athletes and manufacturers work together to create gear that minimizes drag, allowing for better performance. In cycling, for instance, the shape of a bicycle frame and the rider's position can affect the laminar drag experienced during a race. By optimizing these factors, cyclists can gain a competitive edge, demonstrating how vital this concept is in achieving peak performance.However, achieving laminar drag is not always straightforward. Several factors influence whether the flow remains laminar or transitions to turbulent flow. These include the speed of the object, the viscosity of the fluid, and the object's surface roughness. Engineers must carefully consider these parameters when designing objects intended to operate efficiently in a fluid environment.In conclusion, laminar drag is a fundamental concept in fluid dynamics that impacts various industries, from aviation to sports. By minimizing this form of drag, engineers and designers can enhance the efficiency and performance of their creations. As technology continues to advance, the understanding and application of laminar drag will remain essential in driving innovation and improving the functionality of various systems. Ultimately, a deeper comprehension of laminar drag can lead to significant advancements in how we design and interact with the world around us.

在流体动力学领域，理解物体在流体中移动时所受的各种力至关重要。其中一种力被称为层流阻力，它指的是物体在流体中以光滑、流线型方式移动时所经历的阻力。这种阻力发生在流体围绕物体的流动保持有序，并且流体层彼此滑过而不发生混合时。与湍流阻力不同，后者的流动变得混乱而不规则，层流阻力的特点是可预测和稳定的流动模式。层流阻力的重要性可以在各个应用中观察到，从航空中的空气动力学到海洋工程中的水动力学。例如，飞机的设计采用特定形状以促进层流阻力，以增强燃油效率和性能。当飞机的机翼形状允许空气平滑流过时，层流阻力被最小化，从而导致更低的燃油消耗和增加的升力。同样，在船只和潜艇的设计中，工程师努力实现层流阻力，以减少通过水移动所需的能量。一个旨在促进层流流动的船体可以显著提高船只的速度和燃油效率。理解层流阻力的原理使设计师能够创造出更高效的交通工具，从而能够更快地行驶并消耗更少的能量。此外，层流阻力在运动器材的发展中也起着关键作用。运动员和制造商合作创造最小化阻力的装备，以提高表现。例如，在骑自行车时，自行车框架的形状和骑行者的姿势会影响比赛中经历的层流阻力。通过优化这些因素，骑自行车的人可以获得竞争优势，展示了这一概念在达到最佳表现中的重要性。然而，实现层流阻力并非总是简单的。多种因素会影响流动是保持层流还是转变为湍流。这些因素包括物体的速度、流体的粘度以及物体的表面粗糙度。工程师在设计意图在流体环境中高效运行的物体时，必须仔细考虑这些参数。总之，层流阻力是流体动力学中的基本概念，对航空、体育等多个行业产生影响。通过最小化这种阻力，工程师和设计师可以提高其创作的效率和性能。随着技术的不断进步，对层流阻力的理解和应用将继续在推动创新和改善各种系统的功能方面发挥重要作用。最终，更深入地理解层流阻力可能会导致我们在设计和与周围世界互动时的重大进展。