turbulence number

简明释义

湍流度

英英释义

例句

1.Researchers used the turbulence number to predict the mixing efficiency in chemical reactors.

研究人员使用湍流数来预测化学反应器中的混合效率。

2.The turbulence number indicates the level of chaotic fluid motion in the system.

湍流数指示系统中流体运动的混沌程度。

3.In aerodynamics, the turbulence number is crucial for understanding how air flows over wings.

在空气动力学中，湍流数对于理解空气如何在机翼上流动至关重要。

4.By analyzing the turbulence number, we can improve the design of hydraulic systems.

通过分析湍流数，我们可以改善液压系统的设计。

5.The engineer calculated the turbulence number to assess the flow stability in the pipeline.

工程师计算了湍流数以评估管道中的流动稳定性。

作文

In the field of fluid dynamics, understanding the behavior of fluids in motion is crucial for various applications, from engineering to meteorology. One important concept that arises in this context is the turbulence number, which serves as a dimensionless parameter used to characterize the flow regime of a fluid. The turbulence number （湍流数） provides insights into whether a flow is laminar or turbulent, which can significantly impact the performance and efficiency of systems such as aircraft, pipelines, and even natural water bodies.The turbulence number is often defined by the ratio of inertial forces to viscous forces within a fluid. When the inertial forces dominate, the flow tends to be chaotic and unpredictable, leading to turbulence. Conversely, when viscous forces are more significant, the flow remains smooth and orderly, known as laminar flow. This distinction is essential because turbulent flows exhibit different characteristics than laminar flows, including increased mixing and enhanced momentum transfer. In practical applications, engineers and scientists utilize the turbulence number to predict the behavior of fluids under various conditions. For example, in the design of aircraft wings, understanding the transition from laminar to turbulent flow can help optimize lift and drag coefficients. If the flow remains laminar for too long before transitioning to turbulence, it may lead to stalling or inefficient flight patterns. Therefore, calculating the turbulence number （湍流数） is vital for ensuring safe and efficient aircraft designs.Moreover, in environmental studies, the turbulence number can be applied to understand the mixing processes in rivers and oceans. Turbulent flows can enhance the dispersion of pollutants, nutrients, and heat, affecting aquatic ecosystems. By analyzing the turbulence number, researchers can better predict how substances will behave in these environments and develop strategies to mitigate negative impacts on marine life.The significance of the turbulence number extends beyond engineering and environmental science; it also plays a role in meteorology. Weather patterns are influenced by turbulent air movements, and understanding these dynamics is crucial for accurate weather forecasting. Meteorologists analyze the turbulence number （湍流数） to determine how air masses interact and how turbulence can affect storm development and intensity.In conclusion, the turbulence number is a fundamental concept in fluid dynamics that helps characterize the flow behavior of fluids. Its applications span across various fields, including engineering, environmental science, and meteorology. By providing a measure to differentiate between laminar and turbulent flows, the turbulence number （湍流数） enables practitioners to make informed decisions that enhance the performance and safety of systems interacting with fluids. As our understanding of fluid dynamics continues to evolve, the importance of the turbulence number will undoubtedly remain a key aspect of research and application in this dynamic field.

在流体动力学领域，理解流体运动的行为对各种应用至关重要，从工程到气象。一个重要的概念是turbulence number，它作为一个无量纲参数，用于表征流体的流动状态。turbulence number （湍流数）提供了流动是层流还是湍流的见解，这会显著影响飞机、管道甚至自然水体等系统的性能和效率。turbulence number通常通过流体中惯性力与粘性力的比率来定义。当惯性力占主导地位时，流动往往变得混乱和不可预测，导致湍流。相反，当粘性力更显著时，流动保持平稳有序，称为层流。这一区别至关重要，因为湍流流动与层流流动表现出不同的特性，包括增加的混合和增强的动量传递。在实际应用中，工程师和科学家利用turbulence number来预测流体在各种条件下的行为。例如，在飞机机翼的设计中，理解层流到湍流的过渡可以帮助优化升力和阻力系数。如果流动在过渡到湍流之前保持层流时间过长，可能会导致失速或低效的飞行模式。因此，计算turbulence number （湍流数）对于确保安全和高效的飞机设计至关重要。此外，在环境研究中，turbulence number可以用于理解河流和海洋中的混合过程。湍流流动可以增强污染物、营养物质和热量的扩散，影响水生生态系统。通过分析turbulence number，研究人员可以更好地预测这些物质在环境中的行为，并制定减轻对海洋生物负面影响的策略。turbulence number的重要性超越了工程和环境科学；它在气象学中也发挥着作用。天气模式受到湍流空气运动的影响，理解这些动态对于准确的天气预报至关重要。气象学家分析turbulence number （湍流数）以确定空气团如何相互作用，以及湍流如何影响风暴的发展和强度。总之，turbulence number是流体动力学中的一个基本概念，有助于表征流体的流动行为。它的应用跨越多个领域，包括工程、环境科学和气象。通过提供一个衡量标准来区分层流和湍流，turbulence number （湍流数）使从业者能够做出明智的决策，从而提高与流体相互作用的系统的性能和安全性。随着我们对流体动力学理解的不断发展，turbulence number的重要性无疑将继续成为这一动态领域研究和应用的关键方面。