wave drag

简明释义

波阻

英英释义

Wave drag is a type of aerodynamic drag that occurs when an object moves through a fluid, such as air or water, causing waves to form around it. This phenomenon is particularly significant at high speeds, where the energy lost due to wave formation increases.

波阻力是一种气动阻力,发生在物体通过流体(如空气或水)移动时,导致周围形成波浪。这种现象在高速情况下特别显著,因为由于波的形成而损失的能量会增加。

例句

1.Engineers conducted tests to measure the wave drag 波阻力 on various hull shapes.

工程师对不同船体形状的wave drag 波阻力进行了测试。

2.Advanced simulation software helps predict wave drag 波阻力 in different water conditions.

先进的模拟软件帮助预测在不同水域条件下的wave drag 波阻力

3.The research focused on how wave drag 波阻力 affects the performance of racing boats.

研究集中在wave drag 波阻力如何影响比赛船的性能。

4.The design of the new yacht was optimized to reduce wave drag 波阻力 during high-speed sailing.

新游艇的设计经过优化,以减少在高速航行时的wave drag 波阻力

5.Reducing wave drag 波阻力 can significantly improve fuel efficiency in marine vessels.

减少wave drag 波阻力可以显著提高海洋船只的燃油效率。

作文

In the field of aerodynamics and hydrodynamics, understanding the forces that act on an object in motion is crucial for improving performance and efficiency. One such force is known as wave drag, which plays a significant role in the behavior of objects moving through fluids, such as air and water. wave drag refers to the resistance experienced by an object due to the formation of waves in the fluid as it moves. This phenomenon is particularly relevant for aircraft and ships, where minimizing drag is essential for optimal performance.When an aircraft flies at high speeds, it generates shock waves in the atmosphere, leading to increased wave drag. These shock waves are a result of the pressure changes around the aircraft, especially when it approaches the speed of sound. As the aircraft accelerates, the intensity of these waves increases, resulting in greater resistance against the forward motion of the aircraft. Consequently, engineers and designers must take wave drag into account when creating more aerodynamic shapes to enhance fuel efficiency and speed.Similarly, in maritime contexts, ships experience wave drag as they move through water. The hull of a ship displaces water, creating waves that can slow it down. The design of the hull is critical in minimizing wave drag. For example, a sleek, streamlined hull can reduce the amount of energy lost to wave formation, allowing the ship to travel faster and consume less fuel. This principle is especially important for naval vessels and commercial shipping, where operational efficiency is paramount.The study of wave drag extends beyond just aircraft and ships; it also applies to various other vehicles and objects that travel through fluids. For instance, high-speed trains and even automobiles can experience wave drag when traveling at elevated speeds. Understanding how to reduce this form of drag can lead to advancements in transportation technology, ultimately contributing to faster and more efficient travel.To combat wave drag, engineers employ several strategies. One common method is to utilize computational fluid dynamics (CFD) simulations to analyze airflow or water flow around an object. By visualizing how waves form and interact with the object, designers can make informed decisions about modifications to shape and structure. Additionally, wind tunnel testing allows for real-world experimentation on models before full-scale production, providing valuable data on wave drag performance.In conclusion, wave drag is a crucial factor in the design and performance of vehicles moving through fluids. Whether it is an aircraft soaring through the skies or a ship cutting through the waves, understanding and mitigating wave drag can lead to significant improvements in efficiency and speed. As technology advances, the ability to analyze and reduce wave drag will continue to play a vital role in the evolution of transportation, making it faster, more economical, and environmentally friendly. Through ongoing research and innovation, we can expect to see exciting developments in how we design vehicles to overcome the challenges posed by wave drag.

在空气动力学和流体动力学领域,理解作用于运动物体上的力对于提高性能和效率至关重要。其中一种力被称为wave drag(波阻力),它在物体通过流体(如空气和水)运动时起着重要作用。wave drag指的是物体在移动时由于流体中形成波浪而经历的阻力。这一现象在飞机和船舶中尤为相关,因为降低阻力对于实现最佳性能至关重要。当飞机以高速飞行时,它会在大气中产生冲击波,从而导致增加的wave drag。这些冲击波是由于飞机周围的压力变化所致,尤其是在接近音速时。随着飞机加速,这些波的强度增加,导致对飞机前进运动的更大阻力。因此,工程师和设计师必须考虑wave drag,以便创造出更具空气动力学特性的形状,以提高燃油效率和速度。同样,在海事环境中,船舶在水中移动时也会经历wave drag。船体排开水,形成波浪,从而减缓其速度。船体的设计对于最小化wave drag至关重要。例如,流线型的船体可以减少因波浪形成而损失的能量,使船舶能够更快地航行并消耗更少的燃料。这一原则在海军舰艇和商业航运中尤为重要,因为运营效率至关重要。wave drag的研究不仅限于飞机和船舶;它还适用于各种其他在流体中移动的车辆和物体。例如,高速列车甚至汽车在以较高速度行驶时也可能经历wave drag。理解如何减少这种阻力可以推动运输技术的进步,最终有助于更快速和高效的旅行。为了应对wave drag,工程师采用几种策略。一种常见的方法是利用计算流体动力学(CFD)模拟来分析物体周围的气流或水流。通过可视化波浪如何形成和与物体相互作用,设计师可以就形状和结构的修改做出明智的决策。此外,风洞测试允许在全尺寸生产之前对模型进行实际实验,提供有关wave drag性能的宝贵数据。总之,wave drag是设计和性能的重要因素,影响着通过流体移动的车辆。无论是飞翔在天空中的飞机,还是切入波浪的船舶,理解和减轻wave drag都可以显著改善效率和速度。随着技术的进步,分析和减少wave drag的能力将继续在交通运输的发展中发挥重要作用,使其变得更快、更经济和环保。通过持续的研究和创新,我们可以期待在如何设计车辆以克服wave drag带来的挑战方面看到令人兴奋的发展。