hydrodynamic resistance

简明释义

水动力阻力

英英释义

例句

1.In fluid dynamics, hydrodynamic resistance 水动力阻力 plays a crucial role in determining flow patterns.

在流体动力学中，水动力阻力 hydrodynamic resistance在决定流动模式中起着至关重要的作用。

2.Engineers must consider hydrodynamic resistance 水动力阻力 when calculating the speed of underwater vehicles.

工程师在计算水下车辆的速度时必须考虑水动力阻力 hydrodynamic resistance。

3.Reducing hydrodynamic resistance 水动力阻力 can significantly enhance the performance of racing boats.

减少水动力阻力 hydrodynamic resistance可以显著提升赛车艇的性能。

4.The study of hydrodynamic resistance 水动力阻力 helps engineers design more efficient marine structures.

对水动力阻力 hydrodynamic resistance的研究帮助工程师设计更高效的海洋结构。

5.The design of the ship's hull aims to minimize hydrodynamic resistance 水动力阻力 for better fuel efficiency.

船体的设计旨在最小化水动力阻力 hydrodynamic resistance以提高燃油效率。

作文

Understanding the concept of hydrodynamic resistance is crucial in various fields, including engineering, marine biology, and environmental science. Hydrodynamic resistance refers to the opposition encountered by an object as it moves through a fluid, such as water or air. This phenomenon plays a significant role in determining how efficiently vessels travel through water and how animals swim in aquatic environments.In engineering, particularly in the design of ships and submarines, the study of hydrodynamic resistance is essential for optimizing performance and fuel efficiency. Engineers utilize computational fluid dynamics (CFD) to simulate how water flows around a vessel's hull. By analyzing the hydrodynamic resistance, they can make informed decisions about the shape and materials used in construction. A streamlined design reduces drag, allowing the vessel to move faster while consuming less energy.Moreover, the concept of hydrodynamic resistance is not limited to large vessels. It also applies to small-scale objects like fish and even human swimmers. For instance, fish have evolved streamlined bodies that minimize hydrodynamic resistance, enabling them to swim swiftly and efficiently. The shape of a fish’s body, along with its fin structure, contributes to its ability to navigate through water with minimal effort. Understanding these adaptations can inspire innovations in biomimicry, where engineers look to nature for solutions to human challenges.In environmental science, hydrodynamic resistance is an important factor when studying the movement of pollutants in water bodies. When contaminants are released into rivers or oceans, their dispersion is influenced by the hydrodynamic resistance of the water. Understanding how water flows and the resistance encountered can help scientists predict the spread of pollution and develop strategies for mitigation.Furthermore, the effects of hydrodynamic resistance extend to climate change studies. As global temperatures rise, the melting of polar ice caps leads to changes in ocean currents and water levels. These alterations can affect the hydrodynamic resistance experienced by marine vessels, potentially impacting shipping routes and marine ecosystems. Researchers must consider these factors when modeling future scenarios related to climate change.In conclusion, hydrodynamic resistance is a multifaceted concept that influences various disciplines. From improving the efficiency of marine vessels to understanding the swimming mechanisms of fish and predicting the movement of pollutants, the implications of hydrodynamic resistance are vast. By studying this phenomenon, we can enhance our technological advancements and better protect our environment. As we continue to explore the interactions between fluids and objects, the importance of hydrodynamic resistance will only grow, highlighting the need for continued research and innovation in this area.

理解水动力阻力的概念在工程、海洋生物学和环境科学等多个领域至关重要。水动力阻力是指物体在流体（如水或空气）中移动时所遇到的阻力。这种现象在确定船只通过水面行驶的效率以及动物在水中游泳的方式中起着重要作用。在工程学中，特别是在船舶和潜艇的设计中，研究水动力阻力对于优化性能和燃油效率至关重要。工程师利用计算流体动力学（CFD）模拟水流如何绕过船体。通过分析水动力阻力，他们可以对船只的形状和使用的材料做出明智的决策。流线型设计可以减少阻力，使船只以更快的速度移动，同时消耗更少的能量。此外，水动力阻力的概念不仅限于大型船只。它也适用于小规模物体，如鱼类甚至人类游泳者。例如，鱼类已经进化出流线型的身体，以最小化水动力阻力，使它们能够迅速而高效地游泳。鱼体的形状以及鳍的结构都有助于它们以最小的努力在水中导航。理解这些适应性可以激励仿生学的创新，即工程师从自然中寻求解决人类挑战的方案。在环境科学中，水动力阻力是研究水体中污染物运动的重要因素。当污染物释放到河流或海洋中时，它们的扩散受到水中水动力阻力的影响。了解水流动的方式以及遇到的阻力可以帮助科学家预测污染的传播并制定减缓策略。此外，水动力阻力的影响还扩展到气候变化研究。随着全球温度上升，极地冰盖的融化导致海洋洋流和水位的变化。这些变化可能会影响海洋船只所经历的水动力阻力，从而影响航运路线和海洋生态系统。研究人员在建模与气候变化相关的未来情景时必须考虑这些因素。总之，水动力阻力是一个多方面的概念，影响着多个学科。从提高海洋船只的效率到理解鱼类的游泳机制以及预测污染物的运动，水动力阻力的影响是广泛的。通过研究这一现象，我们可以增强技术进步并更好地保护环境。随着我们继续探索流体与物体之间的相互作用，水动力阻力的重要性只会增加，从而突显出在这一领域继续研究和创新的必要性。