effective velocity

简明释义

有效速度

英英释义

例句

1.To calculate the effective velocity of the projectile, we need to consider air resistance.

要计算抛射物的有效速度，我们需要考虑空气阻力。

2.The effective velocity of the car increased as it descended the hill.

随着汽车下坡，有效速度增加了。

3.In fluid dynamics, the effective velocity can determine how quickly a substance flows through a pipe.

在流体动力学中，有效速度可以决定物质通过管道的流动速度。

4.The effective velocity of the wind affects how fast the seeds are dispersed.

风的有效速度影响种子的传播速度。

5.The effective velocity of the train is reduced when it stops at each station.

火车在每个站停靠时，有效速度会降低。

作文

In the realm of physics and engineering, the concept of effective velocity plays a crucial role in understanding how objects move through different mediums. Effective velocity refers to the actual speed at which an object travels when accounting for various factors such as resistance, friction, and the medium through which it is moving. This term is particularly important when analyzing the performance of vehicles, boats, and aircraft, as it provides a more accurate representation of their operational capabilities.For instance, consider a car driving on a highway. The car might have a top speed of 120 kilometers per hour, but this speed can be significantly reduced by factors such as wind resistance and road conditions. Therefore, the effective velocity of the car could be much lower than its maximum speed. Engineers and designers take these factors into account when creating vehicles to ensure they perform optimally under various conditions.Similarly, in the field of fluid dynamics, the effective velocity of a boat traveling through water is affected by currents, waves, and the design of the hull. A well-designed hull can minimize drag and enhance the effective velocity of the vessel, allowing it to travel faster and more efficiently. This is why naval architects invest significant time and resources into optimizing the shapes of boats and ships.In aviation, the concept of effective velocity is also vital. Aircraft experience different speeds depending on altitude, air density, and wind patterns. Pilots must understand the effective velocity of their aircraft to make informed decisions during flight, especially when taking off or landing. For example, a plane may have a cruising speed of 900 kilometers per hour, but due to headwinds, its effective velocity relative to the ground may be considerably less.Moreover, the effective velocity can also be applied in other fields such as sports. In running, athletes often face varying conditions that can impact their speed, such as weather, terrain, and fatigue. Understanding their effective velocity helps athletes strategize their performance and make necessary adjustments during competitions.In conclusion, the term effective velocity encapsulates the idea of the true speed of an object when external factors are considered. Whether in automotive engineering, marine design, aviation, or even sports, recognizing the effective velocity allows for better planning and execution. By focusing on this concept, professionals across various industries can enhance performance, improve safety, and achieve greater efficiency in their respective fields. Thus, the understanding and application of effective velocity is essential for success in many areas of science and technology.

在物理和工程学领域，有效速度的概念在理解物体如何通过不同介质移动方面起着至关重要的作用。有效速度指的是考虑到各种因素如阻力、摩擦和运动介质后，物体实际移动的速度。这个术语在分析车辆、船只和飞机的性能时尤其重要，因为它提供了对其操作能力的更准确表示。例如，考虑一辆在高速公路上行驶的汽车。这辆车的最高速度可能为每小时120公里，但由于风阻和路况等因素，这个速度可能会显著降低。因此，汽车的有效速度可能远低于其最高速度。工程师和设计师在制造车辆时会考虑这些因素，以确保它们在各种条件下表现最佳。类似地，在流体动力学领域，通过水行驶的船只的有效速度受到水流、波浪和船体设计的影响。一个设计良好的船体可以减少阻力，提高船舶的有效速度，使其能够更快、更高效地航行。这就是为什么海军建筑师在优化船只和舰艇的形状上投入大量时间和资源。在航空领域，有效速度的概念同样至关重要。飞机的速度因高度、空气密度和风向而异。飞行员必须了解其飞机的有效速度，以便在飞行过程中做出明智的决策，特别是在起飞或着陆时。例如，飞机的巡航速度可能为每小时900公里，但由于迎头风，其相对于地面的有效速度可能会大大降低。此外，有效速度的概念也可以应用于其他领域，如体育。在跑步中，运动员常常面临可能影响其速度的不同条件，如天气、地形和疲劳。了解他们的有效速度有助于运动员制定比赛策略，并在比赛中进行必要的调整。总之，有效速度这一术语概括了在考虑外部因素后物体真实速度的概念。无论是在汽车工程、海洋设计、航空还是体育领域，认识到有效速度都可以帮助更好地规划和执行。通过关注这一概念，各行各业的专业人士可以提高性能、改善安全性，并在各自领域中实现更高的效率。因此，理解和应用有效速度对于科学和技术的许多领域的成功至关重要。