resultant lift

简明释义

总升力

英英释义

例句

1.The aircraft's wings generate a significant amount of resultant lift, which allows it to take off smoothly.

飞机的机翼产生了大量的升力，这使得它能够顺利起飞。

2.As the speed increases, the resultant lift produced by the rotor blades also rises, enhancing the helicopter's performance.

随着速度的增加，旋翼产生的升力也在上升，从而增强了直升机的性能。

3.The design of the wing shape directly influences the resultant lift experienced by the aircraft.

机翼形状的设计直接影响飞机所经历的升力。

4.In turbulent conditions, the resultant lift can fluctuate, requiring pilots to adjust their controls.

在湍流条件下，升力可能会波动，要求飞行员调整控制。

5.Pilots must understand how resultant lift affects their flight path during maneuvers.

飞行员必须理解升力如何影响他们在机动中的飞行路径。

作文

The concept of lift is fundamental to the field of aerodynamics and plays a crucial role in the design and operation of aircraft. Lift is the force that allows an airplane to rise off the ground and maintain flight. It is generated by the movement of air over the wings of the aircraft, and it is influenced by several factors including the shape of the wings, the angle of attack, and the speed of the aircraft. One important aspect of lift that is often discussed is the resultant lift (结果升力), which refers to the total lift force acting on an aircraft at any given moment. This force is not only dependent on the individual contributions of each wing but also on how these forces interact with one another in the context of the entire aircraft's dynamics.To understand resultant lift (结果升力) better, we can examine the principles of fluid dynamics that govern how lift is created. When an airplane moves through the air, the wings are designed to create a difference in air pressure between the upper and lower surfaces. The airfoil shape of the wings causes the air to travel faster over the top surface, resulting in lower pressure compared to the higher pressure on the bottom surface. This pressure difference generates lift. However, the resultant lift (结果升力) is not merely the sum of the lift produced by each wing; it is the vector sum of all the lift forces acting on the aircraft, taking into account the angles and directions of these forces.In practical terms, pilots must understand how to manipulate the factors affecting resultant lift (结果升力) to ensure safe and efficient flight. For instance, during takeoff, a pilot may increase the angle of attack to enhance lift, but this must be done carefully to avoid stalling the aircraft. Similarly, during landing, the pilot will adjust the flaps to increase the wing's surface area and change the airflow characteristics, thereby increasing the resultant lift (结果升力) at lower speeds.Moreover, understanding resultant lift (结果升力) is essential for addressing various flight conditions. For example, in turbulent weather, the air can become unstable, causing fluctuations in lift. Pilots must be trained to respond to these changes quickly to maintain control of the aircraft. Additionally, different aircraft designs will have varying characteristics regarding resultant lift (结果升力), making it imperative for engineers to consider these factors during the design phase. The balance between weight, thrust, and lift is critical for achieving optimal performance and safety.In conclusion, the resultant lift (结果升力) is a vital concept in aviation that encompasses the total lift force acting on an aircraft. By understanding the principles behind lift generation and the factors that influence resultant lift (结果升力), pilots and engineers can work together to ensure the safety and efficiency of flight operations. As technology advances and new aircraft designs emerge, the study of resultant lift (结果升力) will continue to be a key area of focus in the field of aerodynamics.