center of thrust
简明释义
推力中心
英英释义
例句
1.In a multi-stage rocket, each stage has its own center of thrust that needs to be managed.
在多级火箭中,每个阶段都有其自己的推力中心需要管理。
2.The engineer calculated the center of thrust to ensure the rocket would launch successfully.
工程师计算了推力中心以确保火箭能够成功发射。
3.Understanding the center of thrust is crucial for designing efficient propulsion systems.
理解推力中心对于设计高效的推进系统至关重要。
4.Adjusting the center of thrust can improve the stability of the aircraft during flight.
调整推力中心可以提高飞机在飞行中的稳定性。
5.The pilot adjusted the controls to maintain the center of thrust during turbulence.
飞行员调整控制以保持在颠簸期间的推力中心。
作文
In the field of aerospace engineering, the term center of thrust refers to the specific point where the total thrust force is applied on a spacecraft or an aircraft. This concept is crucial for understanding how vehicles maneuver and maintain stability during flight. The center of thrust plays a significant role in determining the overall performance of an aircraft, particularly during critical phases of flight such as takeoff, landing, and in-flight maneuvers.When designing an aircraft, engineers must carefully consider the position of the center of thrust in relation to the center of gravity. The center of gravity is the point where the weight of the aircraft is evenly distributed. If the center of thrust is misaligned with the center of gravity, it can lead to undesirable flight characteristics. For example, if the thrust is applied too far behind the center of gravity, the aircraft may pitch up uncontrollably, whereas thrust applied too far forward may cause the aircraft to nose down. Therefore, achieving the correct alignment between these two points is essential for safe and efficient flight.Another important aspect of the center of thrust is its impact on the control surfaces of an aircraft. Control surfaces, such as ailerons, elevators, and rudders, are used to manipulate the aircraft's attitude and direction. When the thrust vector is aligned with the center of thrust, the aircraft can respond predictably to pilot inputs. However, if there is a discrepancy, it can result in unintended movements, making the aircraft difficult to control.In addition to traditional fixed-wing aircraft, the concept of center of thrust is equally relevant in the design and operation of rotorcraft, such as helicopters. In helicopters, the thrust generated by the rotor system must be carefully managed to ensure that the center of thrust remains aligned with the center of gravity during various flight conditions. This is particularly important during maneuvers like hovering, where the helicopter must maintain a delicate balance between lift and gravitational forces.Moreover, in the context of space exploration, the center of thrust becomes even more critical. Rockets and spacecraft rely on controlled thrust to navigate through the vacuum of space. Any misalignment in the center of thrust can result in trajectory deviations, which could jeopardize mission objectives. Engineers use sophisticated simulations and modeling techniques to predict and adjust the center of thrust throughout different stages of flight, ensuring that the spacecraft remains on course.In conclusion, the center of thrust is a fundamental concept in aerospace engineering that significantly influences the performance and safety of aircraft and spacecraft. Understanding its implications allows engineers to design more stable and controllable vehicles, ultimately enhancing the experience of pilots and passengers alike. As technology continues to advance, the importance of accurately managing the center of thrust will remain paramount in the pursuit of safer and more efficient air and space travel.
在航空航天工程领域,术语推力中心指的是施加在航天器或飞机上的总推力的特定点。这个概念对于理解飞行器如何操控和保持飞行稳定性至关重要。推力中心在决定飞机整体性能方面起着重要作用,特别是在起飞、着陆和飞行中的关键阶段。在设计飞机时,工程师必须仔细考虑推力中心与重心的位置关系。重心是飞机重量均匀分布的点。如果推力中心与重心不对齐,就可能导致不良的飞行特性。例如,如果推力施加在重心后面太远,飞机可能会失控地抬头,而如果推力施加得过于靠前,则可能导致飞机下坠。因此,实现这两个点之间的正确对齐对于安全和高效的飞行至关重要。推力中心的另一个重要方面是它对飞机控制面的影响。控制面,如副翼、升降舵和方向舵,用于操纵飞机的姿态和方向。当推力矢量与推力中心对齐时,飞机可以对飞行员的输入做出可预测的反应。然而,如果存在差异,可能会导致意外运动,使飞机难以控制。除了传统的固定翼飞机,推力中心的概念在直升机等旋翼机的设计和操作中同样相关。在直升机中,转子系统产生的推力必须得到精确管理,以确保在各种飞行条件下推力中心与重心对齐。这在悬停等机动中尤为重要,因为直升机必须在升力和重力之间保持微妙的平衡。此外,在太空探索的背景下,推力中心变得更加关键。火箭和航天器依赖受控推力在真空中导航。任何推力中心的错位都可能导致轨迹偏差,从而危及任务目标。工程师使用复杂的模拟和建模技术来预测和调整推力中心,确保航天器在不同飞行阶段保持航向。总之,推力中心是航空航天工程中的一个基本概念,显著影响飞机和航天器的性能和安全。理解其影响使工程师能够设计出更稳定、可控的飞行器,最终提升飞行员和乘客的体验。随着技术的不断进步,准确管理推力中心的重要性将在追求更安全、更高效的空中和太空旅行中始终占据重要地位。