turbulent jet

简明释义

湍流射流

英英释义

例句

1.Researchers are examining how turbulent jets affect the dispersion of pollutants in the atmosphere.

研究人员正在研究湍流喷流如何影响大气中污染物的扩散。

2.During the ascent, the aircraft hit a turbulent jet, causing it to shake violently.

在爬升过程中，飞机遇到了湍流喷流，导致剧烈震动。

3.The pilot reported encountering a turbulent jet during the flight, which caused some discomfort among passengers.

飞行员报告在飞行中遇到了湍流喷流，这导致乘客感到不适。

4.Meteorologists study turbulent jets to better predict severe weather patterns.

气象学家研究湍流喷流以更好地预测严重天气模式。

5.The turbulent jet from the engine created a loud noise that startled everyone on the ground.

发动机发出的湍流喷流产生了巨大的噪音，惊吓了地面上的所有人。

作文

In the field of fluid dynamics, understanding the characteristics of different types of flows is crucial for various applications, including aviation, meteorology, and engineering. One significant concept within this realm is the phenomenon of a turbulent jet, which plays a vital role in many natural and artificial processes. A turbulent jet can be defined as a high-velocity flow of fluid that exhibits chaotic and irregular fluctuations in velocity and pressure. This contrasts with laminar flow, where fluid moves in smooth, orderly layers. The behavior of a turbulent jet can be observed in various scenarios, such as the exhaust from a jet engine or the water flowing from a garden hose. When a fluid exits through a nozzle at high speed, it tends to break up into vortices and eddies, leading to the turbulent nature of the flow. This turbulence enhances mixing and momentum transfer, which can be advantageous in many industrial applications, such as chemical reactors and combustion systems.One of the primary features of a turbulent jet is its ability to entrain surrounding fluid, resulting in a larger volume of mixed fluid than what is initially expelled. This entrainment process is essential in atmospheric studies, where turbulent jets contribute to weather patterns and the dispersion of pollutants. For instance, when warm air rises rapidly, it creates a turbulent jet that can significantly influence local weather conditions, leading to phenomena such as thunderstorms.In aviation, understanding turbulent jets is critical for designing efficient aircraft and ensuring passenger safety. Pilots must be aware of the effects of turbulent air on flight stability and control. Turbulence can arise from various sources, including wind shear, obstacles on the ground, and thermal currents. Recognizing the patterns of turbulent jets helps pilots navigate through challenging weather conditions and enhance overall flight safety.Moreover, the study of turbulent jets has significant implications in environmental science. The dispersion of pollutants in the atmosphere often follows the patterns established by these jets. For example, industrial emissions released into the air can travel long distances due to the turbulent mixing associated with turbulent jets. Understanding this behavior allows scientists to model pollution dispersion and develop strategies to mitigate its impact on public health and the environment.In conclusion, the concept of a turbulent jet is fundamental in multiple disciplines, from engineering to meteorology. Its chaotic nature and ability to mix fluids make it an essential factor in various processes, influencing everything from aircraft performance to environmental pollution. By continuing to study and understand turbulent jets, researchers can develop better technologies and strategies to address the challenges posed by turbulence in our world.

在流体动力学领域，理解不同类型流动的特征对航空、气象和工程等各种应用至关重要。其中一个重要概念是湍流射流现象，它在许多自然和人工过程中发挥着重要作用。湍流射流可以定义为一种高速度的流体流动，表现出速度和压力的混乱和不规则波动。这与层流形成对比，后者的流体以平滑、有序的层流动。湍流射流的行为可以在各种场景中观察到，例如喷气发动机的排气或花园水管中的水流。当流体通过喷嘴高速排出时，它往往会分解成涡旋和涡流，导致流动的湍流特性。这种湍流增强了混合和动量传递，在许多工业应用中具有优势，例如化学反应器和燃烧系统。湍流射流的主要特征之一是其能够吸入周围流体，从而导致混合流体的体积比最初排出的流体更大。这种吸入过程在大气研究中至关重要，因为湍流射流有助于天气模式和污染物的扩散。例如，当热空气快速上升时，会形成一个湍流射流，这可能会显著影响当地天气条件，导致雷暴等现象。在航空领域，理解湍流射流对设计高效飞机和确保乘客安全至关重要。飞行员必须意识到湍流对飞行稳定性和控制的影响。湍流可能源于多种因素，包括风切变、地面障碍物和热流。识别湍流射流的模式帮助飞行员在恶劣天气条件下导航，提高整体飞行安全性。此外，湍流射流的研究在环境科学中也具有重要意义。大气中污染物的扩散通常遵循这些射流建立的模式。例如，释放到空气中的工业排放物由于与湍流射流相关的湍流混合，可以在很长距离内传播。理解这种行为使科学家能够建模污染扩散，并制定减轻其对公众健康和环境影响的策略。总之，湍流射流的概念在多个学科中是基础性的，从工程到气象。它的混乱特性和混合流体的能力使其成为各种过程中的一个重要因素，影响从飞机性能到环境污染的方方面面。通过继续研究和理解湍流射流，研究人员可以开发出更好的技术和策略，以应对我们世界中湍流带来的挑战。