sustainer engine cut off

简明释义

主发动机自动停车器

英英释义

例句

1.The mission control team celebrated the successful sustainer engine cut off during the live broadcast.

任务控制团队在直播中庆祝助推器发动机切断的成功。

2.The engineers monitored the sustainer engine cut off to confirm that all systems were functioning as expected.

工程师们监控助推器发动机切断，以确认所有系统都按预期运行。

3.After the sustainer engine cut off, the spacecraft began its coast phase before reaching its destination.

在助推器发动机切断后，航天器进入了飞行阶段，准备到达目的地。

4.During the launch sequence, the command was given for the sustainer engine cut off to ensure a smooth transition to orbital speed.

在发射序列中，指令被下达以进行助推器发动机切断，以确保平稳过渡到轨道速度。

5.Pilots are trained to handle emergencies that may occur during the sustainer engine cut off phase.

飞行员接受训练，以处理在助推器发动机切断阶段可能出现的紧急情况。

作文

In the realm of aerospace engineering, the term sustainer engine cut off refers to a critical phase during a rocket's flight. This process involves shutting down the sustainer engines, which are responsible for maintaining thrust after the initial launch phase. Understanding this concept is essential for both engineers and enthusiasts alike, as it plays a significant role in the overall success of a space mission. To grasp the importance of sustainer engine cut off, one must first comprehend the function of sustainer engines. These engines are designed to provide continuous thrust once the rocket has exited the denser parts of the atmosphere. They allow the spacecraft to reach its intended orbit or trajectory by efficiently burning fuel and generating the necessary propulsion. However, there comes a moment when these engines need to be turned off to ensure the rocket can transition into the next phase of its journey, such as coasting or deploying payloads. The timing of the sustainer engine cut off is crucial. If executed too early, the rocket may not achieve the required altitude or velocity, jeopardizing the mission. Conversely, if the engines are shut down too late, the spacecraft could expend unnecessary fuel, potentially affecting its ability to complete subsequent maneuvers. Engineers meticulously calculate the optimal moment for this event, taking into account various factors such as current speed, altitude, and fuel reserves. A famous example of the sustainer engine cut off in action occurred during the Apollo missions. After launching from Earth, the Saturn V rocket utilized its first stage to propel itself through the atmosphere. Once it reached a certain altitude and velocity, the sustainer engines were cut off to allow the rocket to enter a coasting phase before igniting the next stage. This sequence was vital for ensuring that the spacecraft could travel to the Moon and return safely. Moreover, the sustainer engine cut off is not just a technical necessity; it also represents a moment of immense anticipation and excitement for everyone involved in the mission. Engineers, scientists, and astronauts hold their breath as they await confirmation that the engines have successfully shut down. This moment signifies a transition from one phase of the mission to another, often filled with hope and anxiety about the challenges that lie ahead. In conclusion, the concept of sustainer engine cut off encapsulates a pivotal moment in rocket launches that requires precise timing and expert calculations. It is a testament to the intricate planning and engineering that goes into every successful space mission. By understanding this term and its implications, we can better appreciate the complexities involved in exploring the final frontier. The success of future missions will continue to depend on mastering such critical processes, ensuring humanity's ongoing journey into space.

在航空航天工程领域，术语持续发动机切断指的是火箭飞行过程中的一个关键阶段。这个过程涉及关闭持续发动机，这些发动机负责在初始发射阶段后维持推力。理解这一概念对于工程师和爱好者来说都至关重要，因为它在太空任务的整体成功中发挥着重要作用。要理解持续发动机切断的重要性，首先必须理解持续发动机的功能。这些发动机旨在在火箭退出大气层的密集部分后提供持续的推力。它们通过高效燃烧燃料并产生必要的推进力，使航天器能够达到预定的轨道或轨迹。然而，总有一个时刻需要关闭这些发动机，以确保火箭能够过渡到其旅程的下一个阶段，例如滑行或部署有效载荷。持续发动机切断的时机至关重要。如果执行得太早，火箭可能无法达到所需的高度或速度，从而危及任务。相反，如果发动机关闭得太晚，航天器可能会浪费不必要的燃料，潜在地影响其完成后续机动的能力。工程师们仔细计算这一事件的最佳时机，考虑到当前的速度、高度和燃料储备等各种因素。一个著名的持续发动机切断实例发生在阿波罗任务期间。在从地球发射后，土星五号火箭利用其第一阶段将自己推进穿过大气层。一旦达到一定的高度和速度，就关闭持续发动机，以允许火箭进入滑行阶段，然后点燃下一阶段。这一序列对于确保航天器能够安全前往月球并返回至关重要。此外，持续发动机切断不仅仅是技术上的必要性；它还代表着任务中充满期待和兴奋的时刻。参与任务的工程师、科学家和宇航员在等待确认发动机已经成功关闭时屏息以待。这个时刻标志着任务一个阶段向另一个阶段的过渡，常常充满了对未来挑战的希望和焦虑。总之，持续发动机切断的概念概括了火箭发射中一个关键时刻，需要精确的时机和专家的计算。这证明了每个成功的太空任务背后复杂的规划和工程。通过理解这个术语及其含义，我们可以更好地欣赏探索最后边界所涉及的复杂性。未来任务的成功将继续依赖于掌握这样的关键过程，确保人类不断踏上太空之旅。