absolute entrance velocity

简明释义

绝对进口速度

英英释义

例句

1.Understanding the absolute entrance velocity is crucial for optimizing satellite deployment.

理解绝对进入速度对于优化卫星部署至关重要。

2.The mission's success depends on accurately measuring the absolute entrance velocity before landing.

任务的成功取决于在着陆前准确测量绝对进入速度。

3.The spacecraft must calculate its absolute entrance velocity to ensure a safe re-entry into the Earth's atmosphere.

航天器必须计算其绝对进入速度以确保安全重返地球大气层。

4.Astronauts are trained to handle variations in absolute entrance velocity during atmospheric entry.

宇航员接受培训，以应对大气进入过程中绝对进入速度的变化。

5.Engineers analyzed the absolute entrance velocity of the rocket during its launch phase.

工程师在火箭发射阶段分析了其绝对进入速度。

作文

In the field of physics and engineering, understanding the concept of absolute entrance velocity is crucial for analyzing the motion of objects as they enter different mediums. This term refers to the speed at which an object enters a new environment, such as when a projectile moves from air into water or when a spacecraft re-enters the Earth's atmosphere. The absolute entrance velocity can significantly affect the behavior of the object due to changes in resistance, pressure, and other environmental factors.When we consider a spacecraft re-entering the Earth's atmosphere, the absolute entrance velocity is a key parameter that engineers must calculate accurately. If the velocity is too high, the spacecraft may experience excessive heating and structural damage due to the friction with atmospheric particles. Conversely, if the velocity is too low, it may not achieve the necessary lift to stabilize its descent. Therefore, the precise calculation of absolute entrance velocity is vital to ensure a safe and successful landing.Moreover, the absolute entrance velocity can also be influenced by the angle of entry. A steeper angle may increase the velocity at which the object encounters the atmosphere, leading to higher temperatures and stress on the craft. On the other hand, a shallower angle can help reduce the absolute entrance velocity, allowing for a more controlled descent. This phenomenon highlights the importance of trajectory planning in aerospace missions.In addition to aerospace applications, the concept of absolute entrance velocity is also relevant in fluid dynamics. For instance, when a solid object enters a liquid, the velocity at which it penetrates the surface can determine the resulting splash, wave patterns, and even the object's buoyancy. Understanding how absolute entrance velocity interacts with the properties of the fluid can aid in designing better vehicles, such as submarines and underwater drones, which need to navigate efficiently through water.Furthermore, the study of absolute entrance velocity extends to sports science as well. In sports like diving or swimming, the speed at which an athlete enters the water can affect their performance and technique. Coaches often analyze the absolute entrance velocity of athletes to improve their entry angles and minimize resistance, leading to faster times and better scores in competitions.In conclusion, the concept of absolute entrance velocity plays a vital role across various fields, from aerospace engineering to sports science. By understanding and mastering this term, professionals can enhance their designs, improve safety measures, and optimize performance. As technology continues to advance, the importance of accurately calculating and applying the principles of absolute entrance velocity will only grow, making it an essential area of study for future innovations.

在物理学和工程学领域，理解“绝对入口速度”的概念对于分析物体进入不同介质时的运动至关重要。这个术语指的是物体进入新环境的速度，例如，当一个炮弹从空气进入水中，或者当航天器重新进入地球大气层时。“绝对入口速度”会因阻力、压力和其他环境因素的变化而显著影响物体的行为。当我们考虑航天器重新进入地球大气层时，“绝对入口速度”是工程师必须准确计算的关键参数。如果速度过高，航天器可能会由于与大气粒子的摩擦而经历过度的加热和结构损坏。相反，如果速度过低，可能无法达到稳定下降所需的升力。因此，精确计算“绝对入口速度”对于确保安全成功着陆至关重要。此外，“绝对入口速度”也会受到入射角度的影响。较陡的角度可能会增加物体遇到大气时的速度，从而导致更高的温度和对飞行器的压力。另一方面，较平缓的角度可以帮助降低“绝对入口速度”，使下降更加可控。这一现象突显了轨迹规划在航天任务中的重要性。除了航天应用外，“绝对入口速度”的概念在流体动力学中也具有相关性。例如，当固体物体进入液体时，它穿透表面的速度可以决定产生的溅水、波纹模式，甚至物体的浮力。理解“绝对入口速度”如何与流体的性质相互作用，可以帮助设计更好的车辆，例如潜艇和水下无人机，这些车辆需要在水中高效导航。此外，“绝对入口速度”的研究还扩展到体育科学。在跳水或游泳等运动中，运动员进入水中的速度可能会影响他们的表现和技术。教练们常常分析运动员的“绝对入口速度”，以改善他们的入水角度并减少阻力，从而在比赛中取得更快的成绩和更好的分数。总之，“绝对入口速度”的概念在多个领域中发挥着至关重要的作用，从航天工程到体育科学。通过理解和掌握这一术语，专业人士可以提升他们的设计、改善安全措施和优化性能。随着技术的不断进步，准确计算和应用“绝对入口速度”原理的重要性只会增加，使其成为未来创新研究的一个重要领域。