dynamic lift

简明释义

动升力

英英释义

例句

1.Engineers studied the dynamic lift 动态升力 generated by the wings to improve fuel efficiency.

工程师研究了机翼产生的动态升力动态升力以提高燃油效率。

2.In wind tunnel tests, the dynamic lift 动态升力 of various wing designs was measured for optimal performance.

在风洞测试中，测量了各种机翼设计的动态升力动态升力以实现最佳性能。

3.The concept of dynamic lift 动态升力 is crucial for understanding how birds fly.

理解鸟类飞行的方式时，动态升力动态升力的概念至关重要。

4.The airplane achieved a remarkable dynamic lift 动态升力 during its takeoff, allowing it to ascend rapidly.

飞机在起飞过程中获得了显著的动态升力动态升力，使其能够迅速上升。

5.Pilots must understand the factors affecting dynamic lift 动态升力 to handle their aircraft safely.

飞行员必须了解影响动态升力动态升力的因素，以安全操作他们的飞机。

作文

In the world of aerodynamics, the concept of dynamic lift plays a crucial role in understanding how aircraft achieve flight. Dynamic lift refers to the lifting force generated by the motion of an airfoil through the air, which is essential for overcoming gravity and allowing an aircraft to ascend and maintain altitude. This phenomenon is primarily influenced by the speed of the aircraft, the shape of its wings, and the angle of attack. When an aircraft moves forward, air flows over and under its wings. The design of the wings, specifically their curvature and angle, causes the air pressure above the wing to decrease while the pressure below the wing increases. This difference in pressure creates a net upward force known as dynamic lift. It is fascinating to note that this force is not constant; it varies with changes in speed and angle of attack. For instance, increasing the speed of the aircraft enhances the airflow over the wings, thereby increasing the dynamic lift produced.The importance of dynamic lift extends beyond just the mechanics of flight. It is a fundamental principle that influences the design of various flying vehicles, from small drones to large commercial airplanes. Engineers meticulously calculate the necessary wing shapes and sizes to optimize dynamic lift for specific flight conditions. For example, fighter jets are designed with wings that can adjust their shape to maximize dynamic lift during high-speed maneuvers, allowing them to perform complex aerial tactics.Moreover, understanding dynamic lift is critical for pilots as well. Pilots must be aware of how different factors affect dynamic lift, especially during takeoff and landing. A pilot must manage the angle of attack carefully; if it is too steep, the aircraft may stall, leading to a sudden loss of dynamic lift and potentially causing an accident. Thus, training programs for pilots emphasize the significance of maintaining optimal flying conditions to ensure safety and efficiency.In addition to aviation, the principles of dynamic lift also find applications in other fields, such as sports and engineering. For example, in sports like skiing or snowboarding, athletes can utilize techniques that mimic the principles of dynamic lift to enhance their performance. By adjusting their body position and movements, they can create lift and glide more efficiently over the snow.In conclusion, dynamic lift is a vital concept that underpins the science of flight. Its implications stretch across various domains, influencing everything from aircraft design to pilot training and even sporting techniques. As we continue to explore the intricacies of aerodynamics, the understanding of dynamic lift will remain a cornerstone of innovations in flight technology and beyond. The ability to harness and manipulate this force opens up new possibilities for the future of transportation and exploration, making it an exciting area of study for engineers and scientists alike.

在空气动力学的世界里，动态升力的概念在理解飞机如何实现飞行方面发挥着至关重要的作用。动态升力是指机翼通过空气运动产生的升力，对于克服重力并允许飞机上升和保持高度至关重要。这一现象主要受飞机速度、机翼形状和攻角的影响。当飞机向前移动时，空气流过其机翼的上下方。机翼的设计，尤其是它们的曲率和角度，导致机翼上方的气压降低，而下方的气压增加。这种压力差造成了一个净向上的力，即动态升力。值得注意的是，这一力量并不是恒定的；它会随着速度和攻角的变化而变化。例如，增加飞机的速度可以增强机翼上的气流，从而增加所产生的动态升力。动态升力的重要性不仅仅体现在飞行的机械原理上。它是影响各种飞行器设计的基本原则，从小型无人机到大型商用飞机。工程师们精心计算所需的机翼形状和尺寸，以优化特定飞行条件下的动态升力。例如，战斗机的设计具有可调节形状的机翼，以在高速机动期间最大化动态升力，使其能够执行复杂的空中战术。此外，理解动态升力对于飞行员来说也至关重要。飞行员必须意识到不同因素如何影响动态升力，特别是在起飞和着陆时。飞行员必须仔细管理攻角；如果攻角过陡，飞机可能会失速，导致突然失去动态升力，可能造成事故。因此，飞行员培训项目强调保持最佳飞行条件以确保安全和效率的重要性。除了航空领域，动态升力的原理还在其他领域中找到应用，例如体育和工程。例如，在滑雪或单板滑雪等运动中，运动员可以利用模仿动态升力原理的技巧来增强他们的表现。通过调整身体位置和动作，他们可以创造升力，更有效地在雪面上滑行。总之，动态升力是支撑飞行科学的一个重要概念。它的影响跨越多个领域，影响从飞机设计到飞行员培训，甚至运动技术。随着我们继续探索空气动力学的复杂性，对动态升力的理解将始终是飞行技术和其他领域创新的基石。掌握和操控这一力量的能力为未来交通和探索开辟了新的可能性，使其成为工程师和科学家们激动人心的研究领域。