induced lift

简明释义

诱导升力

英英释义

例句

1.When a pilot adjusts the angle of attack, they can increase the induced lift during flight.

当飞行员调整攻角时，他们可以在飞行中增加诱导升力。

2.The concept of induced lift is essential in understanding how birds fly.

理解鸟类飞行的方式时，诱导升力的概念至关重要。

3.The airplane's wings generate induced lift that allows it to take off from the runway.

飞机的机翼产生诱导升力，使其能够从跑道起飞。

4.The design of the wing is crucial for maximizing induced lift at lower speeds.

机翼的设计对于在低速时最大化诱导升力至关重要。

5.In gliding, pilots rely on induced lift to stay airborne without an engine.

在滑翔中，飞行员依靠诱导升力在没有引擎的情况下保持飞行。

作文

In the field of aerodynamics, understanding the principles of flight is crucial for both engineers and pilots. One of the key concepts that plays a significant role in how an aircraft stays aloft is known as induced lift. This term refers to the lift generated by the airflow around the wings of an aircraft, which is essential for overcoming gravity and allowing the plane to ascend. To better grasp this concept, it is important to delve into the mechanics of flight and the factors that contribute to induced lift.When an aircraft moves through the air, its wings are designed to create a difference in air pressure above and below them. The shape of the wing, known as an airfoil, is critical in this process. As air flows over the curved top surface of the wing, it accelerates and reduces pressure, while the air moving underneath remains at a higher pressure. This pressure difference generates lift, allowing the aircraft to rise. The induced lift is particularly significant during takeoff and landing when the angle of attack—the angle between the wing and the oncoming air—is increased.However, induced lift is not solely dependent on the wing's design; it is also influenced by several other factors, including the speed of the aircraft and the density of the air. For instance, as an aircraft increases its speed, the airflow over the wings becomes more turbulent, which can enhance the lift produced. Conversely, flying at higher altitudes where the air is thinner can reduce induced lift, making it more challenging for planes to maintain altitude.Another important aspect to consider is the relationship between induced lift and drag. While lift is necessary for flight, it is accompanied by drag, which opposes the aircraft's motion through the air. Pilots must carefully manage their speed and angle of attack to optimize induced lift while minimizing drag. This balance is crucial for efficient flight operations, especially during critical phases such as takeoff and landing.Moreover, the phenomenon of induced lift is not limited to fixed-wing aircraft. Helicopters, for example, rely on rotating blades to generate lift. The principles of induced lift apply similarly, as the blades create a pressure differential that allows the helicopter to hover and maneuver effectively. Understanding how induced lift operates in various types of aircraft can provide valuable insights into the broader field of aviation.In conclusion, induced lift is a fundamental concept in aerodynamics that explains how aircraft achieve flight. By creating a pressure difference through the design of their wings and managing factors such as speed and angle of attack, pilots can harness induced lift to navigate the skies. As technology advances and new aircraft designs emerge, the principles of induced lift will continue to be a vital area of study for those involved in aviation. Understanding this concept not only enhances our knowledge of flight mechanics but also contributes to the ongoing development of safer and more efficient aircraft.

在空气动力学领域，理解飞行原理对工程师和飞行员至关重要。一个在飞机保持飞行中起着重要作用的关键概念被称为诱导升力。这个术语指的是由飞机机翼周围气流产生的升力，这对于克服重力并使飞机上升是必不可少的。为了更好地掌握这一概念，有必要深入研究飞行的机械原理以及促成诱导升力的因素。当飞机在空气中移动时，其机翼设计用于在其上下方产生气压差。机翼的形状，称为气动外形，在这个过程中至关重要。当空气流过机翼的弯曲上表面时，它加速并降低压力，而流动在下面的空气保持在较高的压力。这种压力差产生升力，使飞机能够上升。诱导升力在起飞和着陆期间尤其重要，因为此时攻角（机翼与迎面气流之间的角度）会增加。然而，诱导升力不仅取决于机翼的设计；它还受到其他几个因素的影响，包括飞机的速度和空气的密度。例如，当飞机速度增加时，机翼上的气流变得更加湍急，这可以增强产生的升力。相反，在高空飞行时，由于空气稀薄，诱导升力可能会减少，使飞机更难维持高度。另一个需要考虑的重要方面是诱导升力与阻力之间的关系。虽然升力对于飞行是必要的，但它伴随着阻力，阻碍飞机在空气中的运动。飞行员必须仔细管理他们的速度和攻角，以优化诱导升力，同时最小化阻力。这种平衡对于高效的飞行操作至关重要，特别是在起飞和着陆等关键阶段。此外，诱导升力现象并不仅限于固定翼飞机。直升机例如，依靠旋转的叶片来产生升力。诱导升力的原理类似，因为叶片产生的压力差使直升机能够悬停和有效操控。理解诱导升力在各种类型飞机中的运作，可以为航空领域提供宝贵的见解。总之，诱导升力是空气动力学中的一个基本概念，解释了飞机如何实现飞行。通过通过机翼的设计创造压力差，并管理速度和攻角等因素，飞行员可以利用诱导升力在天空中航行。随着技术的进步和新飞机设计的出现，诱导升力的原理将继续成为航空领域研究的一个重要领域。理解这一概念不仅增强了我们对飞行力学的知识，同时也有助于安全和更高效的飞机的持续发展。