turbulent diffusion

简明释义

湍流扩散

英英释义

例句

1.Researchers are studying the effects of turbulent diffusion on the spread of airborne diseases.

研究人员正在研究湍流扩散对空气传播疾病扩散的影响。

2.The turbulent diffusion of heat in oceans affects global climate patterns.

海洋中的湍流扩散热量影响全球气候模式。

3.Engineers must consider turbulent diffusion when designing ventilation systems for buildings.

工程师在设计建筑物通风系统时必须考虑湍流扩散。

4.In meteorology, understanding turbulent diffusion is crucial for accurate weather forecasting.

在气象学中，理解湍流扩散对于准确的天气预报至关重要。

5.The study of turbulent diffusion in rivers helps to predict pollutant dispersion.

对河流中湍流扩散的研究有助于预测污染物的扩散。

作文

Turbulent diffusion is a phenomenon that occurs in fluid dynamics, where the mixing of substances happens due to turbulence. In simple terms, it refers to the process by which particles or substances spread out in a turbulent flow. This concept is crucial in various fields such as meteorology, oceanography, and engineering, as it helps to explain how pollutants disperse in the atmosphere or how nutrients mix in ocean currents. Understanding turbulent diffusion (湍流扩散) can significantly enhance our ability to model and predict environmental changes.One of the key characteristics of turbulent diffusion (湍流扩散) is its dependence on the intensity of turbulence. In a turbulent flow, the movement of fluid particles is chaotic and irregular, leading to enhanced mixing. This is in contrast to laminar flow, where fluid moves in smooth layers with minimal mixing. The chaotic nature of turbulence allows for more efficient transport of substances, making turbulent diffusion (湍流扩散) a vital process in natural systems.For example, consider the dispersion of smoke from a chimney. When smoke is released into the air, it initially rises in a plume. However, as it encounters turbulent air currents, the smoke begins to spread out more widely. This is a practical illustration of turbulent diffusion (湍流扩散), where the turbulent flow of air facilitates the mixing and spreading of the smoke particles throughout the atmosphere.In oceanography, turbulent diffusion (湍流扩散) plays a critical role in the distribution of heat and nutrients in the ocean. Ocean currents are often turbulent, and this turbulence helps to mix warmer surface waters with cooler, deeper waters. As a result, nutrients from the depths can rise to the surface, supporting marine life and influencing weather patterns. Without turbulent diffusion (湍流扩散), the ocean would not be able to sustain the diverse ecosystems that exist today.From an engineering perspective, understanding turbulent diffusion (湍流扩散) is essential for designing efficient systems. For instance, in chemical reactors, engineers must account for turbulent mixing to ensure that reactants are evenly distributed, leading to optimal reaction rates. Similarly, in environmental engineering, knowledge of turbulent diffusion (湍流扩散) is necessary for predicting the spread of contaminants in water bodies and developing strategies for remediation.In conclusion, turbulent diffusion (湍流扩散) is a fundamental process that occurs in various natural and engineered systems. Its importance cannot be overstated, as it influences everything from climate patterns to the efficiency of industrial processes. By studying and understanding turbulent diffusion (湍流扩散), we can better address environmental challenges and improve the design of systems that rely on the mixing of fluids. As research continues in this field, we can expect to gain deeper insights into the complexities of turbulence and its implications for our world.

湍流扩散是流体动力学中发生的一种现象，指的是由于湍流而导致的物质混合过程。简单来说，它是指颗粒或物质在湍流中扩散的过程。这个概念在气象学、海洋学和工程等多个领域至关重要，因为它有助于解释污染物如何在大气中扩散，或养分如何在海洋洋流中混合。理解湍流扩散可以显著增强我们对环境变化建模和预测的能力。湍流扩散的一个关键特征是其对湍流强度的依赖。在湍流中，流体颗粒的运动是混乱和不规则的，从而导致增强的混合。这与层流形成鲜明对比，后者的流体以平滑的层流动，混合最小。湍流的混乱特性允许物质更有效地传输，使得湍流扩散成为自然系统中的一个重要过程。例如，考虑从烟囱释放的烟雾的扩散。当烟雾释放到空气中时，它最初会以一股上升。然而，当它遇到湍流空气流时，烟雾开始更广泛地扩散。这是湍流扩散的一个实际示例，其中空气的湍流流动促进了烟雾颗粒在大气中的混合和扩散。在海洋学中，湍流扩散在热量和养分在海洋中的分布中扮演着关键角色。海洋洋流通常是湍流的，这种湍流有助于将温暖的表层水与较冷的深层水混合。因此，深层的养分可以上升到表面，支持海洋生物并影响天气模式。如果没有湍流扩散，海洋将无法维持今天存在的多样生态系统。从工程的角度来看，理解湍流扩散对于设计高效的系统至关重要。例如，在化学反应器中，工程师必须考虑湍流混合，以确保反应物均匀分布，从而达到最佳反应速率。同样，在环境工程中，了解湍流扩散对于预测污染物在水体中的扩散以及制定修复策略是必要的。总之，湍流扩散是各种自然和工程系统中发生的基本过程。它的重要性不容小觑，因为它影响从气候模式到工业过程的效率。通过研究和理解湍流扩散，我们可以更好地应对环境挑战，并改善依赖流体混合的系统的设计。随着这一领域的研究不断深入，我们可以期待对湍流的复杂性及其对我们世界的影响有更深刻的见解。