fore-and-aft acceleration

简明释义

纵向加速度

英英释义

例句

1.Engineers must account for fore-and-aft acceleration when designing the hull of a vessel.

工程师在设计船体时必须考虑前后加速度。

2.The pilot adjusted the trim to minimize fore-and-aft acceleration during takeoff.

飞行员调整了机头以最小化起飞时的前后加速度。

3.The research focused on the effects of fore-and-aft acceleration on cargo stability.

该研究集中于前后加速度对货物稳定性的影响。

4.The ship experienced significant fore-and-aft acceleration during the storm, causing discomfort to the crew.

在风暴中，船只经历了显著的前后加速度，导致船员感到不适。

5.In racing cars, excessive fore-and-aft acceleration can lead to loss of control.

在赛车中，过度的前后加速度可能会导致失控。

作文

In the realm of physics and engineering, understanding the dynamics of motion is crucial. One important concept in this field is fore-and-aft acceleration, which refers to the acceleration experienced by an object in the forward and backward directions along its length. This phenomenon is particularly significant in marine engineering and aviation, where the stability and control of vessels and aircraft are paramount. Fore-and-aft acceleration plays a vital role in determining how these vehicles respond to various forces acting upon them, such as wind, water currents, and gravitational pull.When a ship sails through rough waters, it experiences different types of accelerations. The fore-and-aft acceleration affects the ship's pitch and can lead to discomfort for passengers and crew alike. For instance, when a ship moves forward quickly, the force of acceleration pushes everything towards the stern, while deceleration causes a shift towards the bow. Understanding this concept helps engineers design ships that can better withstand these forces, ensuring safety and comfort.In aviation, fore-and-aft acceleration is equally important. During takeoff and landing, aircraft experience significant changes in speed, which results in varying levels of acceleration. Pilots must be trained to manage these forces effectively to ensure a smooth flight. For example, during a rapid ascent, passengers may feel pushed back into their seats due to the fore-and-aft acceleration. Conversely, during descent, they may feel a momentary weightlessness as the aircraft slows down. This understanding of acceleration dynamics is essential for both pilots and engineers to enhance the performance and safety of aircraft.Moreover, fore-and-aft acceleration is not only relevant in the context of large vehicles but also in everyday life. For instance, when driving a car, sudden acceleration or braking can cause passengers to lurch forward or backward. Recognizing these effects can lead to better vehicle designs that prioritize passenger safety. Seat belts, for example, are engineered to counteract the forces of fore-and-aft acceleration, reducing the risk of injury in case of abrupt stops or collisions.In conclusion, fore-and-aft acceleration is a fundamental concept that impacts various modes of transportation, from ships to airplanes to cars. Understanding how this type of acceleration influences motion can lead to improved designs and safety measures. As technology advances, engineers continue to explore innovative ways to mitigate the effects of fore-and-aft acceleration, ensuring that vehicles remain stable and comfortable for users. By grasping the principles behind this phenomenon, we can appreciate the complexities of motion and the engineering feats that allow us to travel safely and efficiently.

在物理和工程领域，理解运动的动态是至关重要的。一个重要的概念是前后加速度，它指的是物体沿其长度在前后方向上所经历的加速度。这一现象在海洋工程和航空领域尤为重要，因为船舶和飞机的稳定性与控制至关重要。前后加速度在决定这些交通工具如何应对各种作用于它们的力量（如风、水流和重力）方面发挥着重要作用。当船只在波涛汹涌的水域航行时，它会经历不同类型的加速度。前后加速度影响船只的俯仰，并可能导致乘客和船员的不适。例如，当船只快速前进时，加速度的作用力将一切向船尾推，而减速则会导致一切向船头移动。理解这一概念有助于工程师设计能够更好承受这些力量的船只，从而确保安全和舒适。在航空领域，前后加速度同样重要。在起飞和着陆过程中，飞机经历显著的速度变化，这导致加速度水平的变化。飞行员必须接受培训，以有效管理这些力量，以确保飞行平稳。例如，在快速上升过程中，乘客可能会感到被推回座椅，而在下降过程中，他们可能会感到短暂的失重状态，因为飞机减速。对加速度动态的理解对飞行员和工程师来说都是至关重要的，以增强飞机的性能和安全性。此外，前后加速度不仅与大型交通工具相关，也与日常生活息息相关。例如，在驾驶汽车时，突然加速或刹车会导致乘客向前或向后倾斜。认识到这些影响可以促使更好的车辆设计，优先考虑乘客安全。例如，安全带的设计就是为了抵消前后加速度的力量，减少在突然停车或碰撞情况下受伤的风险。总之，前后加速度是一个基本概念，影响着从船舶到飞机再到汽车的各种交通方式。理解这种类型的加速度如何影响运动可以导致更好的设计和安全措施。随着技术的进步，工程师们继续探索创新的方法来减轻前后加速度的影响，确保交通工具对用户保持稳定和舒适。通过掌握这一现象背后的原理，我们可以欣赏运动的复杂性以及使我们能够安全高效旅行的工程成就。