dynamic pressure

简明释义

动压

英英释义

例句

1.In fluid dynamics, dynamic pressure (动态压力) is a crucial factor in analyzing flow behavior.

在流体动力学中，动态压力是分析流动行为的关键因素。

2.Calculating dynamic pressure (动态压力) helps in predicting the performance of hydraulic systems.

计算动态压力有助于预测液压系统的性能。

3.The dynamic pressure (动态压力) on the surface of the ship affects its speed and maneuverability.

船体表面的动态压力影响其速度和机动性。

4.Engineers must calculate the dynamic pressure (动态压力) in wind tunnel tests to ensure the model's stability.

工程师必须在风洞测试中计算动态压力以确保模型的稳定性。

5.The aircraft's wings are designed to withstand high dynamic pressure (动态压力) during takeoff and landing.

飞机的机翼设计能够承受在起飞和降落时产生的高动态压力。

作文

In the field of fluid dynamics, the concept of dynamic pressure is crucial for understanding how fluids behave when they are in motion. Dynamic pressure is defined as the kinetic energy per unit volume of a fluid particle, which can be expressed mathematically as 0.5 times the fluid density multiplied by the velocity squared. This concept plays a significant role in various applications, including aerodynamics, hydrodynamics, and even meteorology.To illustrate the importance of dynamic pressure, consider the case of an aircraft flying at high speeds. As the airplane moves through the air, it experiences forces that can be quantified using the principles of dynamic pressure. The faster the aircraft travels, the greater the dynamic pressure exerted on its surfaces, which directly affects its lift and drag. Engineers must carefully calculate these pressures to design wings and fuselages that can withstand the forces encountered during flight.In addition to aviation, dynamic pressure is also relevant in the study of water flow in rivers and streams. When analyzing the flow of water, scientists measure the dynamic pressure to understand how it impacts erosion and sediment transport. High dynamic pressure can lead to increased erosion of riverbanks, while lower pressures may result in the deposition of sediments. By studying these patterns, environmentalists can develop strategies to mitigate erosion and preserve natural habitats.Furthermore, dynamic pressure has applications in meteorology, particularly in the study of wind patterns and storm systems. Meteorologists use the concept of dynamic pressure to analyze how air moves and interacts with different geographical features. For example, when warm air rises, it creates areas of low dynamic pressure, while cooler air sinks, resulting in high dynamic pressure zones. Understanding these dynamics helps meteorologists predict weather patterns and severe storm events.In conclusion, the term dynamic pressure encompasses a fundamental aspect of fluid dynamics that is essential for various scientific and engineering disciplines. Its role in aviation, hydrology, and meteorology highlights the interconnectedness of natural and engineered systems. As we continue to explore the complexities of fluid behavior, the understanding of dynamic pressure will remain pivotal in advancing our knowledge and improving technologies across multiple fields.

在流体动力学领域，动态压力的概念对于理解流体在运动时的行为至关重要。动态压力被定义为流体粒子单位体积的动能，可以用数学公式表示为0.5乘以流体密度再乘以速度的平方。这个概念在多个应用中发挥着重要作用，包括空气动力学、水动力学，甚至气象学。为了说明动态压力的重要性，可以考虑一个高速飞行的飞机。当飞机穿过空气时，它会经历可以用动态压力的原理量化的力量。飞机飞行得越快，施加在其表面上的动态压力就越大，这直接影响到其升力和阻力。工程师必须仔细计算这些压力，以设计能够承受飞行过程中遇到的力量的机翼和机身。除了航空，动态压力在河流和溪流的水流研究中也很相关。当分析水流时，科学家测量动态压力以理解它如何影响侵蚀和沉积物运输。高动态压力可能导致河岸的侵蚀加剧，而较低的压力则可能导致沉积物的沉积。通过研究这些模式，环保人士可以制定策略来减轻侵蚀并保护自然栖息地。此外，动态压力在气象学中也有应用，特别是在风模式和风暴系统的研究中。气象学家使用动态压力的概念来分析空气如何移动并与不同的地理特征相互作用。例如，当温暖的空气上升时，会形成低动态压力区域，而较冷的空气下沉则会导致高动态压力区域。理解这些动态变化有助于气象学家预测天气模式和严重的风暴事件。总之，术语动态压力涵盖了流体动力学的一个基本方面，对于各种科学和工程学科至关重要。它在航空、水文学和气象学中的作用突显了自然系统和工程系统之间的相互联系。随着我们继续探索流体行为的复杂性，对动态压力的理解将继续在推动我们知识的进步和改善多个领域的技术中发挥关键作用。