Aerodynamic instability
Aerodynamic instability is a phenomenon that occurs when a fluid flows over an object and creates turbulence or unpredictable changes in velocity. This instability can cause a significant amount of drag on the object, reducing its efficiency and causing it to behave erratically in the air or water.
发音：(英) ?e?r??d???n?m?t?k ?n?st?bl??
Example sentence: The airplane encountered aerodynamic instability during its flight, causing it to oscillate and create a significant amount of drag.
翻译：飞机在飞行过程中遇到了空气动力学不稳定现象，导致它摇摆不定并产生大量阻力。
基础释义：空气动力学不稳定是指当流体流过物体时，产生湍流或速度的不确定性变化的现象。这种不稳定会导致物体上产生大量阻力，降低其效率，并使其在空中或水中表现出不稳定的行为。
Aerodynamic Instability
Aerodynamic instability is a phenomenon that occurs in aircraft and other aerial vehicles when the airflow over the surfaces becomes unsteady. This instability can cause the vehicle to oscillate, resulting in loss of control and potentially in an accident.
When the airflow over an aircraft's wings becomes turbulent, for example, the wings may experience sudden changes in pressure that can lead to the aircraft oscillating up and down or side to side. This instability can be exacerbated by factors such as wind shear, temperature gradients, or improper aircraft design.
To prevent aerodynamic instability, engineers must carefully design aircraft and other aerial vehicles to minimize the effects of turbulence. This may involve ensuring that the wings and other aerodynamic surfaces are properly shaped and positioned, as well as selecting materials and construction methods that are resistant to wind shear and other environmental factors.
In addition, pilots must be trained to recognize the signs of aerodynamic instability and take appropriate action to maintain control of the aircraft. This may include adjusting the aircraft's speed, altitude, or direction to minimize the effects of turbulence, as well as using stabilizing devices such as flight control surfaces or autopilot systems.
In conclusion, aerodynamic instability is a critical issue for aircraft and other aerial vehicles. Engineers and pilots must work together to ensure that these vehicles are designed and operated safely, minimizing the risk of accidents and loss of life.
Aerodynamic Instability
Aerodynamic instability is a common problem in aircraft design. It occurs when the airflow over an aircraft's wings becomes chaotic, causing the aircraft to become unsteady and potentially dangerous.
The cause of aerodynamic instability is complex, but generally speaking, it occurs when the airflow over the wings becomes turbulent, resulting in a loss of lift and an increase in drag. This can happen if the airflow is too smooth or too rough, which can lead to a situation where the aircraft becomes difficult to control.
To address aerodynamic instability, designers need to carefully consider the shape and configuration of the aircraft's wings, as well as the speed and angle of attack at which the aircraft is flying. They also need to ensure that the airflow over the wings is smooth and uniform, which can be achieved through various aerodynamic techniques such as using flaps and slats to modify the airflow.
In addition to design considerations, pilots also need to be aware of aerodynamic instability and take appropriate action to maintain control of the aircraft. This may include adjusting the angle of attack, speed, and altitude to ensure that the airflow over the wings remains smooth and uniform.
In conclusion, aerodynamic instability is a common problem in aircraft design that needs to be carefully addressed by designers and pilots. By understanding its causes and how to manage it, we can ensure that aircraft operate safely and efficiently.
以上是我对“Aerodynamic Instability”的英文解释，希望对你有所帮助。
