aerodynamic instability

简明释义

空气动力不稳定性

英英释义

例句

1.Engineers are working to reduce aerodynamic instability in the new model to ensure smoother flight.

工程师们正在努力减少新型号中的气动不稳定性，以确保飞行更加平稳。

2.The design of the wings is crucial to avoid aerodynamic instability at high speeds.

机翼的设计对于避免在高速下出现气动不稳定性至关重要。

3.The aircraft experienced aerodynamic instability during the test flight, causing it to sway unexpectedly.

在测试飞行中，飞机经历了气动不稳定性，导致它意外地摇摆。

4.Pilots must be trained to handle aerodynamic instability during turbulent weather conditions.

飞行员必须接受培训，以应对在恶劣天气条件下出现的气动不稳定性。

5.Researchers are studying the effects of aerodynamic instability on drone performance.

研究人员正在研究气动不稳定性对无人机性能的影响。

作文

Aerodynamics is a fundamental aspect of engineering, particularly in the fields of aerospace and automotive design. One crucial concept within this discipline is aerodynamic instability, which refers to the tendency of an object to experience uncontrollable changes in its motion due to variations in air pressure and flow. Understanding aerodynamic instability is essential for engineers, as it can significantly impact the performance and safety of vehicles, especially at high speeds.When an aircraft is in flight, it interacts with the surrounding air, creating forces that can either stabilize or destabilize its motion. Aerodynamic instability can occur when these forces become unbalanced, leading to unexpected maneuvers or loss of control. For instance, during sharp turns or turbulence, an airplane might experience sudden changes in lift or drag, prompting the need for quick adjustments by the pilot or automated systems.In the automotive industry, aerodynamic instability can manifest in various ways, particularly at high speeds. A car's design must ensure that airflow remains smooth over its surface to maintain stability. If the airflow becomes turbulent, it can result in lift or drag forces that make the vehicle harder to control. This is why many sports cars are designed with sleek, low profiles that minimize aerodynamic instability and enhance handling performance.To mitigate aerodynamic instability, engineers employ various strategies during the design phase. Computational fluid dynamics (CFD) simulations allow them to visualize how air flows around a vehicle and identify potential instability issues. Wind tunnel testing is also a vital tool, enabling engineers to observe how different shapes and configurations perform under real-world conditions. By analyzing these factors, they can refine designs to ensure optimal aerodynamic stability.Moreover, understanding aerodynamic instability is not limited to the design phase; it is also crucial during the operational phase. Pilots and drivers must be trained to recognize signs of instability and respond appropriately. For instance, if an aircraft begins to stall due to aerodynamic instability, pilots must execute specific recovery maneuvers to regain control. Similarly, race car drivers must be aware of their vehicle's handling characteristics and adjust their driving style to avoid loss of control at high speeds.In conclusion, aerodynamic instability plays a significant role in the design and operation of vehicles in both the aerospace and automotive industries. By comprehensively understanding this concept, engineers can create safer and more efficient designs while ensuring that pilots and drivers are equipped to handle potential instabilities. As technology advances, the ability to predict and manage aerodynamic instability will continue to improve, leading to enhanced performance and safety in transportation systems worldwide.

空气动力学是工程学的一个基本方面，特别是在航空航天和汽车设计领域。该学科中的一个关键概念是aerodynamic instability，它指的是由于空气压力和流动的变化，物体在运动中经历无法控制的变化的倾向。理解aerodynamic instability对工程师至关重要，因为它会显著影响车辆的性能和安全性，尤其是在高速行驶时。当飞机飞行时，它与周围的空气相互作用，产生可以稳定或不稳定其运动的力。Aerodynamic instability可能发生在这些力失衡时，导致意外的机动或失控。例如，在急转弯或湍流中，飞机可能会经历升力或阻力的突然变化，促使飞行员或自动系统需要迅速调整。在汽车工业中，aerodynamic instability可能以各种方式显现，特别是在高速行驶时。汽车的设计必须确保气流在其表面保持平稳，以维持稳定性。如果气流变得湍流，就会产生使车辆更难控制的升力或阻力。因此，许多跑车设计成流线型、低矮的外形，以最小化aerodynamic instability并增强操控性能。为了减轻aerodynamic instability，工程师在设计阶段采用各种策略。计算流体动力学（CFD）模拟使他们能够可视化空气如何在车辆周围流动，并识别潜在的不稳定问题。风洞测试也是一个重要工具，使工程师能够观察不同形状和配置在现实条件下的表现。通过分析这些因素，他们可以优化设计，以确保最佳的空气动力学稳定性。此外，理解aerodynamic instability不仅限于设计阶段；它在操作阶段同样至关重要。飞行员和驾驶员必须接受培训，以识别不稳定的迹象并做出适当反应。例如，如果飞机因aerodynamic instability而开始失速，飞行员必须执行特定的恢复机动以重新获得控制。同样，赛车手必须了解他们车辆的操控特性，并调整他们的驾驶风格，以避免在高速行驶时失去控制。总之，aerodynamic instability在航空航天和汽车工业的车辆设计和操作中扮演着重要角色。通过全面理解这一概念，工程师可以创造出更安全、更高效的设计，同时确保飞行员和驾驶员具备应对潜在不稳定性的能力。随着技术的进步，预测和管理aerodynamic instability的能力将继续提高，从而在全球交通系统中提高性能和安全性。