zero thrust pitch

简明释义

无推力螺距

英英释义

例句

1.The engineer explained that achieving zero thrust pitch is crucial for accurate altitude hold.

工程师解释说，实现零推力俯仰对准确的高度保持至关重要。

2.During the flight test, the pilot adjusted the controls to achieve zero thrust pitch in order to stabilize the aircraft.

在飞行测试中，飞行员调整控制以实现零推力俯仰，以稳定飞机。

3.To perform a successful stall recovery, the aircraft must reach a moment of zero thrust pitch.

要成功恢复失速，飞机必须达到零推力俯仰的时刻。

4.The flight simulator allows pilots to practice maneuvers that require zero thrust pitch for landing.

飞行模拟器允许飞行员练习需要零推力俯仰的着陆机动。

5.In a gliding scenario, the glider must maintain zero thrust pitch to maximize lift.

在滑翔场景中，滑翔机必须保持零推力俯仰以最大化升力。

作文

In the world of aviation and aerodynamics, understanding various flight dynamics is crucial for both pilots and engineers. One such term that often arises in discussions about aircraft performance is zero thrust pitch. This term refers to a specific condition during flight where the aircraft is neither gaining nor losing altitude due to thrust being neutralized. Essentially, it represents a state where the aerodynamic forces acting on the aircraft are perfectly balanced, allowing it to maintain a steady glide without any engine power. To grasp the significance of zero thrust pitch, one must first consider the basic principles of flight. An aircraft flies by generating lift, which counteracts its weight, while thrust propels it forward. Under normal circumstances, thrust is provided by the engines, which allows the aircraft to climb, cruise, or descend as needed. However, there are moments, particularly in gliding scenarios or during engine failures, when pilots must rely solely on aerodynamic lift to control their descent. Achieving zero thrust pitch is critical during these times. For instance, if a pilot experiences an engine failure at cruising altitude, they must quickly assess their situation. By adjusting the pitch of the aircraft—essentially tilting the nose up or down—they can manipulate the angle of attack, which directly affects lift and drag. The goal is to reach a state where the lift generated equals the weight of the aircraft, resulting in a stable glide path. This is where the concept of zero thrust pitch becomes vital. In practical terms, maintaining zero thrust pitch requires skill and experience. Pilots must be able to interpret their instruments accurately, understand the aircraft’s performance characteristics, and respond promptly to changing conditions. For example, if the aircraft begins to descend too rapidly, the pilot may need to pull back on the controls to increase lift and achieve a more favorable glide angle. Conversely, if the aircraft starts to climb, the pilot might need to lower the nose to avoid stalling. Moreover, the concept of zero thrust pitch is not only relevant during emergencies but also during routine operations, such as during landing approaches. Pilots often practice landing techniques that involve entering a zero thrust pitch state to ensure a smooth touchdown. By mastering this maneuver, they enhance their ability to control the aircraft effectively, ensuring passenger safety and comfort. In conclusion, the term zero thrust pitch encapsulates a critical aspect of flight dynamics that every pilot must understand. It signifies a delicate balance between lift and weight, achieved under conditions where engine thrust is absent. Whether in emergency situations or during standard landing procedures, the ability to manage zero thrust pitch is essential for successful flight operations. As aviation technology continues to evolve, the principles underlying zero thrust pitch remain a fundamental component of pilot training and aircraft design, emphasizing the importance of aerodynamic efficiency and control in the skies.

在航空和空气动力学的世界中，理解各种飞行动力学对飞行员和工程师至关重要。其中一个经常在讨论飞机性能时出现的术语是零推力俯仰。这个术语指的是一种特定的飞行状态，在这种状态下，飞机由于推力被中和而既不升高也不降低高度。本质上，它代表了一种状态，在这种状态下，作用在飞机上的气动力是完全平衡的，从而使飞机能够在没有任何发动机动力的情况下保持稳定的滑行。要理解零推力俯仰的重要性，首先必须考虑飞行的基本原理。飞机通过产生升力来飞行，这抵消了其重量，而推力则使其向前推进。在正常情况下，推力由发动机提供，使飞机能够根据需要爬升、巡航或下降。然而，在某些时刻，特别是在滑翔场景或发动机故障期间，飞行员必须依靠气动升力来控制他们的下降。实现零推力俯仰在这些时候至关重要。例如，如果飞行员在巡航高度上遇到发动机故障，他们必须迅速评估情况。通过调整飞机的俯仰——本质上是将机头向上或向下倾斜——他们可以操控攻角，这直接影响升力和阻力。目标是达到一种状态，在这种状态下，产生的升力等于飞机的重量，从而形成稳定的滑行路径。这就是零推力俯仰概念变得至关重要的地方。在实际操作中，保持零推力俯仰需要技巧和经验。飞行员必须能够准确解读仪器，理解飞机的性能特征，并迅速响应变化的条件。例如，如果飞机开始过快下降，飞行员可能需要拉回操纵杆以增加升力，达到更有利的滑行角度。相反，如果飞机开始爬升，飞行员可能需要降低机头以避免失速。此外，零推力俯仰的概念不仅在紧急情况下相关，也适用于日常操作，例如在着陆接近过程中。飞行员通常练习进入零推力俯仰状态的着陆技术，以确保平稳着陆。通过掌握这一动作，他们增强了有效控制飞机的能力，确保乘客的安全和舒适。总之，零推力俯仰这一术语概括了每位飞行员必须理解的飞行动力学的关键方面。它意味着在发动机推力缺失的条件下，升力和重量之间的微妙平衡。无论是在紧急情况下还是在标准着陆程序中，管理零推力俯仰的能力对于成功的飞行操作至关重要。随着航空技术的不断发展，支撑零推力俯仰的原则仍然是飞行员培训和飞机设计的基本组成部分，强调了气动效率和控制在天空中的重要性。