longitudinal center of gravity

简明释义

纵重心

英英释义

例句

1.The design of the aircraft must ensure that the longitudinal center of gravity 纵向重心 is within specified limits for optimal performance.

飞机的设计必须确保纵向重心 longitudinal center of gravity 在规定的范围内，以达到最佳性能。

2.In automotive engineering, the position of the longitudinal center of gravity 纵向重心 affects how the car handles during turns.

在汽车工程中，纵向重心 longitudinal center of gravity 的位置会影响汽车在转弯时的操控性。

3.Adjusting the load distribution can help in shifting the longitudinal center of gravity 纵向重心 to improve stability during flight.

调整负载分布可以帮助移动纵向重心 longitudinal center of gravity，以提高飞行稳定性。

4.A well-calibrated longitudinal center of gravity 纵向重心 is crucial for maintaining balance in a boat.

一个良好校准的纵向重心 longitudinal center of gravity 对于保持船只的平衡至关重要。

5.Engineers often use simulations to determine the ideal location of the longitudinal center of gravity 纵向重心 in new vehicle designs.

工程师们常常使用模拟来确定新车辆设计中理想的纵向重心 longitudinal center of gravity 位置。

作文

In the field of physics and engineering, understanding the concept of the longitudinal center of gravity is crucial for the stability and performance of various objects, particularly vehicles and aircraft. The longitudinal center of gravity refers to the point along the length of an object where its weight is evenly distributed, allowing it to balance perfectly during motion. This point is vital for ensuring that an object behaves predictably under different conditions, such as acceleration, deceleration, and turning maneuvers.When designing vehicles, engineers must carefully calculate the longitudinal center of gravity to optimize handling and safety. For instance, a car with its longitudinal center of gravity positioned too far forward may experience understeering, making it difficult to navigate sharp turns. Conversely, if the center of gravity is too far back, the vehicle might oversteer, leading to loss of control. Therefore, achieving the right balance is essential for any automotive design.In aviation, the longitudinal center of gravity plays an equally important role. An aircraft’s performance is heavily influenced by its weight distribution. If the longitudinal center of gravity is not within the specified limits, it can lead to difficulties in flight, such as increased drag or difficulty in maintaining level flight. Pilots are trained to recognize the significance of this point and often check the load distribution before takeoff to ensure that the aircraft is balanced properly.Moreover, the longitudinal center of gravity is not static; it can change based on how weight is distributed within the object. For example, in a cargo plane, loading heavy equipment towards the front can shift the longitudinal center of gravity forward, potentially causing instability. Understanding this dynamic is key for pilots and engineers alike, as they must adjust their strategies based on how cargo is loaded and distributed.In addition to vehicles and aircraft, the concept of the longitudinal center of gravity is applicable in other fields as well. For instance, in sports like gymnastics or diving, athletes must be aware of their center of gravity to execute movements effectively. A diver, for example, must control their longitudinal center of gravity to ensure a clean entry into the water, minimizing splash and maximizing technique.In summary, the longitudinal center of gravity is a fundamental concept that impacts a wide range of applications, from transportation to athletics. By understanding how to manipulate and maintain this balance, engineers, pilots, and athletes can enhance performance and safety. The study of the longitudinal center of gravity not only enriches our knowledge of physics but also equips us with the tools necessary for innovation and excellence in various fields.

在物理学和工程学领域，理解“纵向重心”的概念对于各种物体的稳定性和性能至关重要，特别是车辆和飞机。“纵向重心”指的是物体长度上均匀分布重量的点，使其在运动中能够完美平衡。这个点对于确保物体在不同条件下的可预测行为至关重要，例如加速、减速和转向。在设计车辆时，工程师必须仔细计算“纵向重心”，以优化操控性和安全性。例如，前方重心过于靠前的汽车可能会出现推头现象，使得在转弯时难以操控。相反，如果重心过于靠后，车辆可能会出现侧滑，从而导致失控。因此，实现正确的平衡对任何汽车设计都是至关重要的。在航空领域，“纵向重心”同样扮演着重要角色。飞机的性能受到其重量分布的重大影响。如果“纵向重心”不在指定范围内，可能会导致飞行困难，如增加阻力或难以保持水平飞行。飞行员经过训练，认识到这一点的重要性，并且通常在起飞前检查载荷分布，以确保飞机的平衡。此外，“纵向重心”并不是静态的；它可以根据物体内的重量分布而变化。例如，在货运飞机中，将重型设备装载到前方可能会将“纵向重心”向前移动，可能导致不稳定。理解这一动态对于飞行员和工程师来说至关重要，因为他们必须根据货物的装载和分配调整策略。除了车辆和飞机，“纵向重心”的概念在其他领域也适用。例如，在体操或跳水等运动中，运动员必须意识到自己的重心，以有效地执行动作。跳水运动员必须控制其“纵向重心”，以确保干净地入水，尽量减少水花并最大限度地提高技术。总之，“纵向重心”是一个基本概念，影响着广泛的应用领域，从交通运输到体育运动。通过理解如何操控和保持这种平衡，工程师、飞行员和运动员可以提高性能和安全性。“纵向重心”的研究不仅丰富了我们对物理学的知识，还为我们提供了在各个领域创新和卓越所需的工具。