constant trim moment

简明释义

恒纵倾力矩

英英释义

例句

1.During the test flight, the constant trim moment was crucial for maintaining altitude.

在试飞过程中，恒定的修剪力矩对于维持高度至关重要。

2.The boat's stability relied on a constant trim moment while navigating rough waters.

船只的稳定性依赖于在波涛汹涌的水域中保持恒定的修剪力矩。

3.The engineer calculated the necessary adjustments for a constant trim moment in the new design.

工程师计算了新设计中所需的调整，以实现恒定的修剪力矩。

4.The aircraft maintained a constant trim moment to ensure stable flight during turbulence.

飞机在颠簸中保持了恒定的修剪力矩以确保飞行稳定。

5.To achieve optimal performance, the pilot adjusted the controls for a constant trim moment.

为了达到最佳性能，飞行员调整了控制以实现恒定的修剪力矩。

作文

In the field of aerodynamics and aircraft design, the concept of a constant trim moment plays a crucial role in ensuring stability and control during flight. The term refers to the specific aerodynamic forces and moments that must be maintained at a constant level for an aircraft to fly straight and level without continuous input from the pilot. Achieving a constant trim moment is essential for efficient flight operations, as it allows the pilot to focus on navigation and other critical tasks without constantly adjusting the controls to maintain level flight.When an aircraft is in steady flight, it experiences various forces acting upon it, including lift, weight, thrust, and drag. These forces create moments that can cause the aircraft to pitch up or down. A constant trim moment ensures that these pitching moments are balanced, allowing the aircraft to maintain its desired attitude. This balance is achieved through the use of control surfaces such as elevators and ailerons, which adjust the aircraft’s orientation by changing the distribution of aerodynamic forces.The importance of a constant trim moment can be observed in various flight scenarios. For instance, during cruising flight, an aircraft must maintain a specific angle of attack to ensure optimal lift while minimizing drag. If the trim moment is not constant, the aircraft may experience uncommanded changes in altitude or attitude, leading to potential safety hazards. Pilots rely on instruments that indicate whether the aircraft is trimmed correctly, ensuring that the constant trim moment is achieved and maintained throughout the flight.Moreover, understanding the dynamics of a constant trim moment is not only vital for pilots but also for engineers and designers who develop aircraft systems. They must consider how different configurations, weights, and load distributions affect the trim moment. For example, if an aircraft is loaded unevenly, it may require adjustments to achieve a constant trim moment. Engineers often conduct extensive simulations and tests to determine the optimal design parameters that will facilitate a stable trim condition under various operating conditions.In conclusion, the concept of a constant trim moment is fundamental to the safe and efficient operation of aircraft. It encompasses the balance of aerodynamic forces that allow an aircraft to fly steadily without continuous control input. Both pilots and engineers must understand this concept to ensure that aircraft are designed and operated safely. As technology continues to advance, the methods for achieving and maintaining a constant trim moment will evolve, potentially leading to even greater efficiencies and safety in aviation. By mastering this concept, individuals in the aviation industry can contribute to the ongoing development of safer and more effective aircraft operations.

在空气动力学和飞机设计领域，constant trim moment（恒定修整力矩）这一概念在确保飞行稳定性和控制方面发挥着至关重要的作用。该术语指的是在飞行中必须保持在恒定水平的一定气动力和力矩，以使飞机能够在没有飞行员持续输入的情况下平稳飞行。实现constant trim moment对高效的飞行操作至关重要，因为它允许飞行员专注于导航和其他关键任务，而无需不断调整控制以保持平稳飞行。当飞机处于稳定飞行状态时，它会受到各种力量的作用，包括升力、重力、推力和阻力。这些力量会产生可能导致飞机俯仰向上或向下的力矩。constant trim moment确保这些俯仰力矩保持平衡，从而使飞机能够维持所需的姿态。这种平衡是通过使用控制面（如升降舵和副翼）来实现的，这些控制面通过改变气动力的分布来调整飞机的方向。constant trim moment的重要性可以在各种飞行场景中观察到。例如，在巡航飞行期间，飞机必须保持特定的攻角，以确保最佳升力并最小化阻力。如果修整力矩不是恒定的，飞机可能会经历未指令的高度或姿态变化，从而导致潜在的安全隐患。飞行员依赖于指示飞机是否正确修整的仪器，以确保在整个飞行过程中实现并维持constant trim moment。此外，理解constant trim moment的动态不仅对飞行员至关重要，对开发飞机系统的工程师和设计师也同样重要。他们必须考虑不同配置、重量和载荷分布如何影响修整力矩。例如，如果飞机负载不均，它可能需要调整以实现constant trim moment。工程师通常进行广泛的模拟和测试，以确定在各种操作条件下有助于稳定修整状态的最佳设计参数。总之，constant trim moment的概念是飞机安全高效操作的基础。它涵盖了允许飞机在没有持续控制输入的情况下平稳飞行的气动力的平衡。飞行员和工程师都必须理解这一概念，以确保飞机的设计和操作是安全的。随着技术的不断进步，实现和维持constant trim moment的方法将不断演变，可能导致航空领域更大的效率和安全性。通过掌握这一概念，航空行业的个人可以为飞机操作的安全和有效发展做出贡献。