viscous drag

简明释义

粘性阻力

英英释义

例句

1.The design of the aircraft was optimized to reduce viscous drag 粘性阻力 during flight.

飞机的设计经过优化，以减少飞行中的<粘性阻力>。

2.The viscous drag 粘性阻力 experienced by the swimmer slowed her down significantly.

游泳者所遭遇的<粘性阻力>显著减慢了她的速度。

3.Researchers are studying the effects of viscous drag 粘性阻力 on marine life.

研究人员正在研究<粘性阻力>对海洋生物的影响。

4.The scientist explained how the viscous drag 粘性阻力 affects the motion of objects in a fluid.

科学家解释了<粘性阻力>如何影响物体在流体中的运动。

5.In engineering, minimizing viscous drag 粘性阻力 is crucial for improving the efficiency of vehicles.

在工程中，减少<粘性阻力>对提高车辆效率至关重要。

作文

In the world of fluid dynamics, understanding the forces acting on objects moving through fluids is crucial. One significant force that must be considered is viscous drag, which refers to the resistance experienced by an object as it moves through a viscous fluid. This phenomenon occurs due to the internal friction within the fluid, which affects how easily an object can travel through it. To grasp the concept of viscous drag better, let's explore its implications in various fields, including engineering, biology, and environmental science.In engineering, particularly in the design of vehicles and aircraft, minimizing viscous drag is essential for improving efficiency and performance. Engineers strive to create streamlined shapes that reduce the surface area exposed to the fluid, thereby decreasing the resistance encountered during motion. For instance, the sleek design of modern cars is not merely for aesthetic purposes; it significantly reduces viscous drag, allowing for better fuel efficiency and higher speeds. By studying the effects of viscous drag, engineers can develop technologies that enhance aerodynamics and hydrodynamics, leading to advancements in transportation.In biology, viscous drag plays a vital role in the movement of organisms in water. Aquatic animals, such as fish and whales, have evolved streamlined bodies that minimize viscous drag, allowing them to swim efficiently. The shape of their bodies reduces the resistance they face while moving through water, enabling them to conserve energy during long migrations. Understanding how viscous drag affects these creatures can provide insights into their behavior and ecology, as well as inform conservation efforts to protect their habitats.Environmental science also considers viscous drag when studying the movement of pollutants in water bodies. When contaminants are released into rivers or oceans, their dispersion is influenced by the viscous drag of the surrounding water. This factor can determine how quickly pollutants spread and how they interact with aquatic ecosystems. By modeling the effects of viscous drag, scientists can predict the fate of pollutants and develop strategies to mitigate their impact on the environment.Moreover, viscous drag is not limited to liquids; it can also occur in gases, albeit to a lesser extent. In air, viscous drag affects the performance of aircraft and other flying objects. Pilots and engineers must consider this force when designing flight paths and optimizing fuel consumption. Understanding viscous drag allows for more efficient flight operations and contributes to the overall safety and effectiveness of air travel.In conclusion, viscous drag is a fundamental concept in fluid dynamics that has far-reaching implications across various fields. Whether in engineering, biology, or environmental science, recognizing the effects of viscous drag enables us to improve designs, understand natural processes, and address environmental challenges. As we continue to explore the complexities of fluid interactions, the importance of viscous drag will remain a critical area of study, shaping our understanding of motion in fluids and its impact on our world.

在流体动力学的世界中，理解作用于物体在流体中运动时的力至关重要。其中一个重要的力是粘性阻力，它指的是物体在粘性流体中运动时所遭遇的阻力。这种现象是由于流体内部的摩擦力引起的，它影响着物体在流体中移动的难易程度。为了更好地理解粘性阻力的概念，让我们探讨其在工程、生物学和环境科学等各个领域的影响。在工程学中，特别是在车辆和飞机的设计中，最小化粘性阻力对于提高效率和性能至关重要。工程师们努力创造流线型的形状，以减少暴露在流体中的表面积，从而降低在运动过程中遇到的阻力。例如，现代汽车的流线型设计不仅仅是出于美观目的；它显著减少了粘性阻力，从而提高燃油效率和速度。通过研究粘性阻力的影响，工程师可以开发出增强气动和水动力学的技术，推动交通运输的进步。在生物学中，粘性阻力在水中生物的运动中也起着至关重要的作用。水生动物，如鱼和鲸，已经进化出流线型的身体，以最小化粘性阻力，使它们能够高效游泳。它们身体的形状减少了在水中运动时面临的阻力，使它们在长途迁徙中节省能量。理解粘性阻力如何影响这些生物可以提供对它们行为和生态的洞察，并为保护它们栖息地的保护工作提供信息。环境科学在研究污染物在水体中运动时也考虑到粘性阻力。当污染物释放到河流或海洋中时，它们的扩散受到周围水体的粘性阻力的影响。这个因素可以决定污染物扩散的速度以及它们与水生生态系统的相互作用。通过模拟粘性阻力的影响，科学家可以预测污染物的命运，并制定减轻其对环境影响的策略。此外，粘性阻力不仅限于液体；它在气体中也会发生，尽管程度较轻。在空气中，粘性阻力影响飞机和其他飞行物体的性能。飞行员和工程师在设计飞行路径和优化燃料消耗时必须考虑这一力量。理解粘性阻力有助于实现更高效的飞行操作，并为航空旅行的安全性和有效性做出贡献。总之，粘性阻力是流体动力学中的一个基本概念，在各个领域都有深远的影响。无论是在工程、生物学还是环境科学中，认识到粘性阻力的影响使我们能够改善设计、理解自然过程并应对环境挑战。随着我们继续探索流体相互作用的复杂性，粘性阻力的重要性将仍然是一个关键的研究领域，塑造我们对流体中运动及其对我们世界影响的理解。