vorticity

简明释义

英[vɔːˈtɪsətɪ]美[vɔrˈtɪsɪti]

n. [流] 旋涡；旋涡状态

英英释义

单词用法

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例句

1.The intensity of vorticity variability was closely related with the conditional symmetric instability in the middle-low troposphere.

而涡度变率强度与中低空的条件对称不稳定密切相关。

2.The strongest cyclonic circulation and vorticity are at about 700 mb.

气旋性环流和气旋性涡度在对流层中层的700毫巴附近最强。

3.The force and moment exerted on the solid body are expressed as the rate of change of the first-and second-order kinetic vorticity moments, respectively.

作用在任意运动物体（系）上的力和力矩可以分别表示成流场中动力学涡量的一阶矩和二阶矩随时间的变化率。

4.Wet potential vorticity had a great contribution to the stronger baroclinicity of the southwest vortex.

湿位涡对西南涡的斜压性加大有重要的贡献。

5.Modified the vorticity equation obtained in the first half of the class to include the earth's rotation.

考虑到地球的旋转，对前半节获得的涡度方程作出修正。

6.A simple LB model is present to numerically solve the quasi-geostrophic barotropic equivalent vorticity equation at first.

首先，本文建立了一个求解准地转相当正压涡度方程的LB模型。

7.Finally, the application prospects of the complete form vorticity equation in weather and climate studies are discussed.

最后，指出了全型涡度方程的天气和气候应用前景。

8.The drag coefficient, the stream function and vorticity, the perturbed stream function are calculated under various conditions.

本文计算了各种条件下绕圆柱的阻力系数、流函数涡量分布以及扰动流函数等。

9.High vorticity areas are typically associated with cyclonic activity.

高涡度区域通常与气旋活动相关。

10.The vorticity of a fluid can indicate the presence of rotational motion.

流体的涡度可以指示旋转运动的存在。

11.In fluid dynamics, vorticity plays a crucial role in understanding turbulence.

在流体动力学中，涡度在理解湍流方面起着至关重要的作用。

12.Meteorologists often analyze the vorticity to predict storm development.

气象学家常常分析涡度以预测风暴的发展。

13.Scientists use vorticity measurements to study ocean currents.

科学家使用涡度测量来研究海洋洋流。

作文

In the study of fluid dynamics, one of the key concepts that scientists and engineers must understand is vorticity. Vorticity refers to the tendency of fluid elements to rotate. It is a measure of the local spinning motion of a fluid at a given point in space. Understanding vorticity is crucial for analyzing various phenomena in both natural and engineered systems, including weather patterns, ocean currents, and even the design of aircraft wings.To grasp the importance of vorticity, we can consider its role in meteorology. For instance, when studying cyclones and anticyclones, meteorologists examine the vorticity of the atmosphere to predict storm behavior. High vorticity areas indicate regions where air is rotating, which can lead to the development of severe weather conditions. By tracking these areas, forecasters can provide timely warnings to communities that may be affected by storms.In addition to meteorology, vorticity is also significant in oceanography. The oceans are filled with complex currents that are influenced by various factors, including temperature, salinity, and wind. The vorticity of ocean currents helps scientists understand how water moves and mixes, impacting marine ecosystems and climate patterns. For example, the Gulf Stream, a warm ocean current in the Atlantic, exhibits specific vorticity characteristics that affect weather in Europe and North America.Furthermore, vorticity plays a critical role in engineering applications, particularly in aerodynamics. When designing aircraft, engineers must consider the vorticity generated by the wings as they move through the air. This spinning motion can create lift, which is essential for flight. By manipulating vorticity, engineers can enhance the performance and efficiency of aircraft, leading to safer and more economical travel.Moreover, vorticity is not limited to large-scale phenomena; it can also be observed in everyday situations. For instance, when water drains in a sink, the swirling motion created is a manifestation of vorticity. This simple observation illustrates how vorticity is present in our daily lives, influencing everything from weather patterns to the behavior of liquids in our homes.In conclusion, vorticity is a fundamental concept in fluid dynamics that has far-reaching implications across various fields. Its ability to describe the rotation and movement of fluids makes it an essential tool for scientists and engineers alike. By understanding vorticity, we can gain insights into complex systems, improve predictions of natural events, and design better technologies. Whether in the context of predicting hurricanes or optimizing aircraft performance, the study of vorticity continues to be a vital area of research and application.

在流体动力学的研究中，科学家和工程师必须理解的一个关键概念是涡度。涡度指的是流体元素旋转的倾向。它是流体在空间中某一点局部旋转运动的量度。理解涡度对于分析自然和工程系统中的各种现象至关重要，包括天气模式、海洋洋流，甚至飞机机翼的设计。为了理解涡度的重要性，我们可以考虑它在气象学中的作用。例如，在研究气旋和反气旋时，气象学家会检查大气的涡度以预测风暴行为。高涡度区域表示空气旋转的区域，这可能导致严重天气条件的发展。通过跟踪这些区域，预报员可以向可能受到风暴影响的社区提供及时警告。除了气象学，涡度在海洋学中也很重要。海洋中充满了复杂的洋流，这些洋流受多种因素的影响，包括温度、盐度和风。海洋洋流的涡度帮助科学家理解水的运动和混合，影响海洋生态系统和气候模式。例如，墨西哥湾流，位于大西洋的一条暖洋流，表现出特定的涡度特征，这些特征影响着欧洲和北美的天气。此外，涡度在工程应用中也发挥着关键作用，特别是在空气动力学中。在设计飞机时，工程师必须考虑机翼在空气中移动时产生的涡度。这种旋转运动可以产生升力，这是飞行所必需的。通过操纵涡度，工程师可以提高飞机的性能和效率，从而实现更安全、更经济的旅行。此外，涡度不仅限于大规模现象；它也可以在日常情况中观察到。例如，当水在水槽中排水时，产生的旋转运动就是涡度的体现。这一简单的观察说明了涡度如何存在于我们的日常生活中，影响从天气模式到我们家中液体行为的方方面面。总之，涡度是流体动力学中的一个基本概念，在各个领域具有深远的影响。它描述流体的旋转和运动的能力使其成为科学家和工程师的重要工具。通过理解涡度，我们可以深入了解复杂的系统，改善自然事件的预测，并设计更好的技术。无论是在预测飓风还是优化飞机性能的背景下，涡度的研究仍然是一个重要的研究和应用领域。