turbulent flow

简明释义

湍流

英英释义

例句

1.In fluid dynamics, turbulent flow is characterized by chaotic changes in pressure and flow velocity.

在流体动力学中，湍流的特点是压力和流速的混乱变化。

2.The turbulent flow in the ocean can affect ship navigation significantly.

海洋中的湍流会显著影响船舶导航。

3.The river experienced turbulent flow during the storm, making it dangerous for kayakers.

暴风雨期间，河流经历了湍流，使得皮划艇爱好者面临危险。

4.In aerodynamics, turbulent flow around an aircraft wing can increase lift under certain conditions.

在空气动力学中，飞机机翼周围的湍流在某些条件下可以增加升力。

5.Engineers must consider turbulent flow when designing pipelines to ensure efficient transport of fluids.

工程师在设计管道时必须考虑湍流，以确保流体的高效运输。

作文

In the study of fluid dynamics, one of the most fascinating phenomena is turbulent flow. This term refers to a type of fluid motion characterized by chaotic changes in pressure and flow velocity. Unlike laminar flow, where fluid moves in parallel layers with minimal disruption between them, turbulent flow exhibits irregular fluctuations and vortices. Understanding turbulent flow is crucial for various applications, from engineering to meteorology.When we observe water flowing rapidly down a river, we often witness turbulent flow. The water swirls and churns, creating eddies that can be both mesmerizing and powerful. These chaotic movements are a direct result of the interactions between different layers of fluid, as well as the effects of gravity and friction. In engineering, recognizing the conditions that lead to turbulent flow is essential for designing structures such as bridges and dams, as these forces can significantly impact their integrity.One of the key characteristics of turbulent flow is its ability to enhance mixing. This property is particularly valuable in chemical engineering, where reactions often require the thorough mixing of reactants. In a turbulent system, the chaotic motion facilitates a more uniform distribution of substances, leading to faster reaction rates and improved efficiency. For instance, in the production of pharmaceuticals, achieving optimal mixing through turbulent flow can be the difference between a successful batch and a failed one.Moreover, turbulent flow plays a significant role in environmental science. In rivers and oceans, turbulent currents help distribute nutrients and oxygen, supporting diverse ecosystems. Marine biologists study these flows to understand how they affect marine life and influence patterns of migration and feeding. The study of turbulent flow in natural water bodies also aids in predicting the impact of climate change on aquatic environments.Despite its importance, turbulent flow remains a challenging area of study. The equations governing this type of flow are complex and often difficult to solve analytically. Researchers frequently rely on computational fluid dynamics (CFD) simulations to model turbulent flow and predict its behavior under various conditions. These simulations have become invaluable tools in both academic research and industrial applications, allowing scientists and engineers to visualize and analyze fluid behavior in ways that were previously impossible.In conclusion, turbulent flow is a critical concept in fluid dynamics with far-reaching implications across multiple fields. Its chaotic nature presents both challenges and opportunities, influencing everything from engineering designs to ecological systems. As our understanding of turbulent flow continues to evolve, so too will our ability to harness its potential for innovation and sustainability. Whether it’s improving industrial processes or protecting our natural resources, the study of turbulent flow remains an essential pursuit for scientists and engineers alike.

在流体动力学的研究中，最迷人的现象之一是湍流。这个术语指的是一种流体运动类型，其特征是压力和流速的混乱变化。与层流不同，在层流中，流体以平行层的方式移动，层间干扰最小，而湍流则表现出不规则的波动和涡旋。理解湍流对于各种应用至关重要，从工程到气象。当我们观察水在河中快速流动时，常常会看到湍流。水流旋转和搅动，形成涡流，这既迷人又强大。这些混乱的运动直接源于不同流体层之间的相互作用，以及重力和摩擦的影响。在工程学中，认识到导致湍流的条件对于设计桥梁和大坝等结构至关重要，因为这些力量可能会显著影响其完整性。湍流的一个关键特征是其增强混合的能力。这一特性在化学工程中尤为宝贵，因为反应往往需要反应物的充分混合。在一个湍流系统中，混乱的运动促进了物质的更均匀分布，从而加快反应速率，提高效率。例如，在制药生产中，通过湍流实现最佳混合可能是成功批次与失败批次之间的区别。此外，湍流在环境科学中也发挥着重要作用。在河流和海洋中，湍流的洋流有助于分配营养物质和氧气，支持多样的生态系统。海洋生物学家研究这些流动，以了解它们如何影响海洋生物并影响迁徙和觅食模式。对自然水体中湍流的研究还有助于预测气候变化对水生环境的影响。尽管其重要性，湍流仍然是一个具有挑战性的研究领域。控制这种流动的方程式复杂且通常难以解析求解。研究人员经常依赖计算流体动力学（CFD）模拟来建模湍流并预测其在各种条件下的行为。这些模拟已经成为学术研究和工业应用中不可或缺的工具，使科学家和工程师能够以前所未有的方式可视化和分析流体行为。总之，湍流是流体动力学中的一个关键概念，具有广泛的影响，涉及多个领域。其混乱的特性带来了挑战和机遇，影响着从工程设计到生态系统的方方面面。随着我们对湍流理解的不断发展，我们将能够更好地利用其创新和可持续发展的潜力。无论是改善工业过程还是保护我们的自然资源，研究湍流仍然是科学家和工程师共同追求的重要目标。