three-dimensional flow

简明释义

三元流

英英释义

例句

1.The research focused on the effects of turbulence on three-dimensional flow 三维流动 in rivers.

研究集中在湍流对河流中三维流动 三维流动的影响。

2.Understanding three-dimensional flow 三维流动 is crucial for predicting weather patterns.

理解三维流动 三维流动对于预测天气模式至关重要。

3.Engineers use computational fluid dynamics to study three-dimensional flow 三维流动 around aircraft wings.

工程师使用计算流体动力学研究飞机机翼周围的三维流动 三维流动。

4.The simulation software can accurately model three-dimensional flow 三维流动 patterns in complex geometries.

该模拟软件可以准确地模拟复杂几何形状中的三维流动 三维流动模式。

5.In this experiment, we will visualize the three-dimensional flow 三维流动 of fluids using dye.

在这个实验中，我们将使用染料可视化流体的三维流动 三维流动。

作文

In the study of fluid dynamics, one of the most complex yet fascinating concepts is that of three-dimensional flow. This term refers to the movement of fluids in three spatial dimensions, which is crucial for understanding various natural and industrial processes. Unlike two-dimensional flow, where the motion is confined to a flat plane, three-dimensional flow encompasses the full volume of the fluid, taking into account variations in velocity and pressure in all directions.To grasp the significance of three-dimensional flow, consider the example of ocean currents. These currents do not move in a straight line but rather swirl and spiral through the depths of the ocean. The interactions between different layers of water, influenced by factors such as temperature, salinity, and the Earth’s rotation, create a complex pattern of movement that can only be described accurately in three dimensions. Understanding these patterns is vital for predicting climate changes and marine ecosystems' health.In engineering, three-dimensional flow plays a critical role in the design of various systems, such as aircraft, automobiles, and even buildings. For instance, when designing an airplane, engineers must account for how air flows around the wings and fuselage in three dimensions. This understanding helps them optimize the shape of the aircraft to reduce drag and improve fuel efficiency. Computational fluid dynamics (CFD) simulations are often employed to visualize three-dimensional flow and predict how air will behave around the aircraft at different speeds and angles.Moreover, three-dimensional flow is essential in the field of meteorology. Weather patterns are influenced by the movement of air masses in three dimensions. Meteorologists use advanced models to simulate these flows, helping them predict weather events such as storms and hurricanes. By analyzing three-dimensional flow patterns, they can provide more accurate forecasts, which are crucial for public safety and disaster preparedness.In addition to natural phenomena, three-dimensional flow is also significant in industrial applications. For example, in chemical engineering, the mixing of reactants in a reactor vessel involves three-dimensional flow. Engineers must ensure that the flow patterns promote efficient mixing and heat transfer to achieve the desired reaction rates. Understanding three-dimensional flow allows them to design better reactors and optimize production processes.Despite its importance, three-dimensional flow can be challenging to analyze due to its complexity. Researchers often rely on mathematical models and computer simulations to study these flows. Advanced techniques such as particle image velocimetry (PIV) and laser-induced fluorescence (LIF) are employed to visualize and measure three-dimensional flow in experimental setups.In conclusion, three-dimensional flow is a fundamental concept in fluid dynamics that has far-reaching implications across various fields. From understanding ocean currents and designing efficient aircraft to predicting weather patterns and optimizing industrial processes, the study of three-dimensional flow is essential for advancing our knowledge and technology. As we continue to explore this intricate subject, we unlock new possibilities for innovation and improvement in multiple domains of science and engineering.

在流体动力学的研究中，最复杂但又最迷人的概念之一就是三维流动。这个术语指的是流体在三个空间维度中的运动，这对于理解各种自然和工业过程至关重要。与二维流动不同，二维流动的运动局限于一个平面，而三维流动则涵盖了流体的整个体积，考虑到所有方向上速度和压力的变化。为了理解三维流动的重要性，可以考虑海洋洋流的例子。这些洋流并不是直线移动，而是通过海洋的深处旋转和螺旋。不同水层之间的相互作用受到温度、盐度和地球自转等因素的影响，形成了一种复杂的运动模式，只有在三维中才能准确描述。理解这些模式对于预测气候变化和海洋生态系统的健康至关重要。在工程学中，三维流动在各种系统的设计中发挥着关键作用，例如飞机、汽车甚至建筑物。例如，在设计飞机时，工程师必须考虑空气如何在机翼和机身周围以三维方式流动。这种理解帮助他们优化飞机的形状，以减少阻力并提高燃油效率。计算流体动力学（CFD）模拟通常用于可视化三维流动并预测空气在不同速度和角度下的行为。此外，三维流动在气象学领域也是必不可少的。天气模式受到三维气团运动的影响。气象学家使用先进的模型来模拟这些流动，帮助他们预测风暴和飓风等天气事件。通过分析三维流动模式，他们可以提供更准确的天气预报，这对公众安全和灾害准备至关重要。除了自然现象，三维流动在工业应用中也具有重要意义。例如，在化学工程中，反应器内反应物的混合涉及三维流动。工程师必须确保流动模式促进有效的混合和热传递，以实现所需的反应速率。理解三维流动使他们能够设计更好的反应器并优化生产过程。尽管其重要性，三维流动由于其复杂性可能难以分析。研究人员通常依赖数学模型和计算机模拟来研究这些流动。先进的技术，如粒子图像测速（PIV）和激光诱导荧光（LIF），被用来可视化和测量实验设置中的三维流动。总之，三维流动是流体动力学中的一个基本概念，对各个领域有着深远的影响。从理解海洋洋流和设计高效飞机，到预测天气模式和优化工业过程，三维流动的研究对于推动我们的知识和技术至关重要。随着我们继续探索这个复杂的主题，我们为科学和工程多个领域的创新和改进打开了新的可能性。