drag surface

简明释义

叶背

英英释义

例句

1.The shape of the airplane wings affects the drag surface (阻力表面), which influences fuel efficiency.

飞机机翼的形状会影响drag surface（阻力表面），进而影响燃油效率。

2.The drag surface (阻力表面) of a bicycle can be optimized with aerodynamic accessories.

自行车的drag surface（阻力表面）可以通过气动配件进行优化。

3.During wind tunnel testing, we measured the drag surface (阻力表面) of various prototypes.

在风洞测试中，我们测量了各种原型的drag surface（阻力表面）。

4.In fluid dynamics, understanding the drag surface (阻力表面) helps in predicting how objects move through water.

在流体动力学中，理解drag surface（阻力表面）有助于预测物体如何在水中移动。

5.When designing a racing car, engineers must consider the drag surface (阻力表面) to minimize air resistance.

在设计赛车时，工程师必须考虑drag surface（阻力表面）以最小化空气阻力。

作文

In the realm of physics and engineering, the concept of drag is crucial for understanding how objects move through fluids, such as air and water. One important aspect of this phenomenon is the drag surface, which refers to the area of an object that interacts with the fluid, causing resistance against its motion. The larger the drag surface, the greater the drag force experienced by the object. This principle is particularly significant in the design of vehicles, aircraft, and marine vessels, where minimizing drag can lead to improved efficiency and performance.When designing a car, for instance, engineers strive to create a sleek shape that reduces the drag surface. A streamlined vehicle not only looks more aesthetically pleasing but also cuts down on fuel consumption by allowing air to flow smoothly over its body. Conversely, a boxy or irregularly shaped vehicle will have a larger drag surface, leading to increased air resistance and, consequently, higher fuel costs. This relationship between shape and drag is a fundamental consideration in automotive design.Similarly, in aviation, the concept of drag surface plays a pivotal role. Aircraft are meticulously designed to have wings and fuselages that minimize drag, allowing them to achieve greater speeds with less fuel. The drag surface of an airplane is carefully calculated to ensure that it can efficiently cut through the atmosphere while maintaining lift. Engineers often use wind tunnel testing to analyze how changes in the drag surface affect overall performance, making adjustments to optimize the design before production.In marine engineering, the drag surface is equally important. Ships and submarines are designed with hull shapes that reduce water resistance, allowing them to travel faster and with less energy. For example, a submarine's hull is designed to be as hydrodynamic as possible, minimizing the drag surface to enhance stealth and speed underwater. The principles of fluid dynamics dictate that a smoother, more streamlined hull will experience less drag, making it easier to navigate through water.Understanding the implications of the drag surface extends beyond transportation; it also impacts various fields such as sports, architecture, and environmental science. In sports like cycling or swimming, athletes often wear specialized gear designed to reduce their drag surface, enabling them to achieve better performance. Similarly, architects consider wind resistance when designing buildings, ensuring that structures can withstand strong winds without excessive drag.Environmental scientists also study the effects of drag surface in relation to wildlife. For example, the shape of fish and birds has evolved to minimize drag, enabling them to move efficiently through their respective environments. By understanding these natural adaptations, researchers can apply similar principles to human-made designs, promoting sustainability and efficiency.In conclusion, the drag surface is a fundamental concept that influences a wide range of fields, from engineering and design to sports and environmental science. By recognizing the importance of this factor, we can create more efficient vehicles, structures, and systems that benefit both society and the environment. Whether it’s reducing fuel consumption in cars or improving the performance of athletes, the implications of the drag surface are far-reaching and vital for progress in our modern world.

在物理和工程领域，阻力的概念对于理解物体如何在流体（如空气和水）中移动至关重要。这个现象的一个重要方面是拖拽表面，它指的是与流体相互作用的物体表面，从而对其运动产生阻力。拖拽表面越大，物体所承受的阻力就越大。这一原理在车辆、飞机和海洋船只的设计中尤为重要，最小化阻力可以提高效率和性能。例如，在汽车设计中，工程师努力创造出流线型的形状，以减少拖拽表面。流线型的车辆不仅外观更美观，而且通过允许空气平滑地流过车身来降低燃料消耗。相反，方形或形状不规则的车辆将具有更大的拖拽表面，导致空气阻力增加，从而导致更高的燃料成本。这种形状与阻力之间的关系是汽车设计中的基本考虑因素。同样，在航空领域，拖拽表面的概念也发挥着重要作用。飞机经过精心设计，拥有最小化阻力的机翼和机身，使其能够以更少的燃料达到更高的速度。飞机的拖拽表面经过仔细计算，以确保它能够有效地切割大气，同时保持升力。工程师们通常使用风洞测试来分析拖拽表面的变化如何影响整体性能，并在生产前进行优化设计。在海洋工程中，拖拽表面同样重要。船只和潜艇的船体形状被设计成减少水的阻力，使其能够更快地航行并消耗更少的能量。例如，潜艇的船体设计得尽可能流线型，以最小化拖拽表面，增强水下的隐蔽性和速度。流体动力学的原理决定了更光滑、更流线型的船体将经历更少的阻力，从而更容易在水中航行。理解拖拽表面的含义不仅限于运输；它还影响到体育、建筑和环境科学等多个领域。在骑自行车或游泳等运动中，运动员经常穿着专门设计的装备，以减少他们的拖拽表面，使他们能够取得更好的表现。同样，建筑师在设计建筑时也会考虑风阻，确保结构能够承受强风而不会产生过多的阻力。环境科学家也研究拖拽表面对野生动物的影响。例如，鱼类和鸟类的形状已经进化，以最小化阻力，使它们能够在各自的环境中高效移动。通过理解这些自然适应，研究人员可以将类似的原理应用于人造设计，促进可持续性和效率。总之，拖拽表面是一个基本概念，影响着从工程和设计到体育和环境科学的广泛领域。通过认识到这一因素的重要性，我们可以创造出更高效的车辆、结构和系统，为社会和环境带来益处。无论是减少汽车的燃料消耗，还是提高运动员的表现，拖拽表面的影响都是深远的，对我们现代世界的进步至关重要。