thrust mass ratio
简明释义
推重比
英英释义
The thrust mass ratio is a dimensionless quantity defined as the ratio of the thrust produced by an engine to the weight of the vehicle it propels. | 推力质量比是一个无量纲量,定义为发动机产生的推力与其推动的载具重量的比值。 |
例句
1.The rocket's performance is significantly affected by its thrust mass ratio 推力质量比, which determines how quickly it can accelerate.
火箭的性能受到其推力质量比 推力质量比的显著影响,这决定了它能多快加速。
2.Engineers aim to optimize the thrust mass ratio 推力质量比 for maximum efficiency during launch.
工程师们旨在优化推力质量比 推力质量比以在发射过程中实现最大效率。
3.A higher thrust mass ratio 推力质量比 allows for a more powerful lift-off from the launch pad.
更高的推力质量比 推力质量比允许更强大的发射升空。
4.In space missions, the thrust mass ratio 推力质量比 is critical for achieving orbit.
在太空任务中,推力质量比 推力质量比对于达到轨道至关重要。
5.The design of the spacecraft was focused on improving the thrust mass ratio 推力质量比 to enhance maneuverability.
航天器的设计专注于改善推力质量比 推力质量比以增强机动性。
作文
The concept of thrust mass ratio is crucial in the field of aerospace engineering, particularly when designing rockets and spacecraft. The thrust mass ratio, defined as the ratio of the thrust produced by the rocket engine to the total mass of the rocket at launch, plays a significant role in determining the performance and efficiency of a space vehicle. A high thrust mass ratio indicates that a rocket can generate a considerable amount of force relative to its weight, which is essential for overcoming Earth's gravitational pull and achieving the necessary velocity for orbit insertion.To understand the importance of the thrust mass ratio, we must first consider the forces acting on a rocket during launch. When a rocket is launched, it must overcome the force of gravity, which pulls it downward. Additionally, atmospheric drag acts against the rocket as it ascends through the atmosphere. Therefore, the rocket needs to produce sufficient thrust to not only lift its own weight but also to accelerate upwards through the atmosphere.A higher thrust mass ratio allows a rocket to ascend more rapidly and efficiently. For example, rockets with a thrust mass ratio greater than one can lift off from the ground, whereas those with a ratio below one would not be able to achieve liftoff. This is why engineers strive to optimize the thrust mass ratio during the design phase of rocket development. By selecting powerful engines and minimizing the rocket's mass through advanced materials and design techniques, engineers can create vehicles capable of reaching their intended destinations in space.Moreover, the thrust mass ratio is not only vital during launch but also during various stages of a mission. For example, during orbital maneuvers or when escaping from a planet's gravitational influence, the thrust mass ratio can determine how quickly and efficiently a spacecraft can change its trajectory. Spacecraft that have a favorable thrust mass ratio can perform complex maneuvers with less fuel consumption, extending their operational lifespan and allowing for more ambitious missions.In recent years, advancements in propulsion technology have led to improved thrust mass ratios. Innovations such as ion thrusters and other electric propulsion systems offer the potential for much higher efficiency compared to traditional chemical rockets. While these newer systems may have lower initial thrust, their efficiency allows them to operate for extended periods, gradually increasing velocity over time. Understanding the nuances of thrust mass ratio in these contexts is essential for engineers and scientists working on next-generation space exploration technologies.In conclusion, the thrust mass ratio is a fundamental parameter in aerospace engineering that significantly influences a rocket's ability to launch and maneuver in space. By optimizing this ratio, engineers can enhance the performance of rockets, enabling them to achieve their mission objectives more effectively. As technology continues to evolve, the understanding and application of the thrust mass ratio will remain integral to the future of space exploration and travel.
“推力质量比”这一概念在航空航天工程领域至关重要,特别是在设计火箭和航天器时。“推力质量比”被定义为火箭发动机产生的推力与火箭发射时的总质量之间的比率,它在决定空间载具的性能和效率方面发挥着重要作用。较高的“推力质量比”表明火箭能够相对于其重量产生相当大的力量,这对于克服地球的引力并实现进入轨道所需的速度至关重要。为了理解“推力质量比”的重要性,我们首先必须考虑火箭在发射过程中所受到的力。当火箭发射时,它必须克服向下拉的重力。此外,在火箭穿越大气层时,空气阻力也会对其产生影响。因此,火箭需要产生足够的推力,不仅要提升自身的重量,还要向上加速穿越大气层。较高的“推力质量比”使火箭能够更快速且高效地升空。例如,推力质量比大于1的火箭可以从地面起飞,而比率低于1的火箭则无法实现起飞。这就是为什么工程师在火箭开发的设计阶段努力优化“推力质量比”。通过选择强大的发动机并通过先进的材料和设计技术来最小化火箭的质量,工程师可以创造出能够到达预定太空目的地的载具。此外,“推力质量比”在发射期间以及任务的各个阶段都是至关重要的。例如,在轨道机动或逃离行星引力影响时,“推力质量比”可以决定航天器改变轨迹的速度和效率。拥有良好“推力质量比”的航天器可以以较少的燃料消耗执行复杂的机动,从而延长其操作寿命并允许进行更雄心勃勃的任务。近年来,推进技术的进步导致了“推力质量比”的改善。离子推进器和其他电推进系统等创新提供了比传统化学火箭更高效率的潜力。虽然这些新系统的初始推力可能较低,但它们的效率使其能够在较长时间内运行,逐渐增加速度。理解“推力质量比”在这些背景下的细微差别对于从事下一代太空探索技术的工程师和科学家至关重要。总之,“推力质量比”是航空航天工程中的一个基本参数,对火箭的发射和在太空中的机动能力有着显著影响。通过优化这一比率,工程师可以提高火箭的性能,使其更有效地实现任务目标。随着技术的不断发展,对“推力质量比”的理解和应用将继续在未来的太空探索和旅行中占据重要地位。
相关单词