jet separation

简明释义

射林离

英英释义

例句

1.Understanding jet separation is crucial for improving the aerodynamic design of vehicles.

理解喷流分离对于改善车辆的空气动力学设计至关重要。

2.Researchers are developing new methods to predict jet separation in turbulent flows.

研究人员正在开发新方法以预测湍流中的喷流分离。

3.During the wind tunnel tests, jet separation was observed at various angles of attack.

在风洞测试中，在不同的攻角下观察到了喷流分离现象。

4.The pilot had to adjust the flight path to avoid jet separation turbulence.

飞行员必须调整飞行路径以避免喷流分离引起的湍流。

5.The engineers studied the effects of jet separation on aircraft performance during high-speed maneuvers.

工程师们研究了在高速机动中，喷流分离对飞机性能的影响。

作文

In the field of aerodynamics, the term jet separation refers to the phenomenon that occurs when a jet of fluid, such as air or water, breaks away from the surface of an object. This is particularly important in the design and performance of aircraft and other vehicles. Understanding jet separation is crucial for engineers and scientists who aim to improve the efficiency and safety of flight. When an aircraft flies through the air, it generates lift by creating a difference in pressure above and below its wings. The smooth flow of air over the wings is essential for maintaining this lift. However, if the angle of attack of the wing becomes too steep, the airflow can no longer adhere to the wing's surface, leading to a condition known as jet separation. This separation of the airflow can result in a significant loss of lift and an increase in drag, which can cause the aircraft to stall. A stall is a dangerous situation where the aircraft can no longer maintain controlled flight, and it can lead to catastrophic accidents if not managed properly. Therefore, understanding the conditions that lead to jet separation is vital for pilots and engineers alike. There are several factors that can contribute to jet separation. One of the primary factors is the shape of the wing. Wings with a high aspect ratio tend to delay jet separation due to their elongated shape, which promotes smoother airflow. Conversely, wings with a lower aspect ratio may experience jet separation at lower angles of attack. Additionally, the speed of the aircraft plays a significant role; at higher speeds, the airflow remains attached to the wing for longer periods, thus delaying jet separation. Another important aspect to consider is the impact of turbulent airflow. When the airflow over a wing becomes turbulent, it can lead to earlier jet separation. Engineers often use various techniques, such as vortex generators or winglets, to manage the airflow and minimize the effects of turbulence. These devices help maintain a smooth flow of air over the wings, reducing the likelihood of jet separation and enhancing overall aerodynamic performance. In conclusion, jet separation is a critical concept in aerodynamics that has significant implications for the design and operation of aircraft. By understanding the factors that contribute to jet separation, engineers can develop better designs that enhance safety and efficiency. Pilots must also be aware of the conditions that can lead to jet separation to ensure they can respond appropriately and maintain control of their aircraft. As technology continues to evolve, the study of jet separation will remain a vital area of research in the pursuit of safer and more efficient aviation.

在空气动力学领域，术语喷流分离指的是当流体（如空气或水）的喷流从物体表面脱离时发生的现象。这对于飞机和其他车辆的设计和性能非常重要。理解喷流分离对工程师和科学家来说至关重要，他们旨在提高飞行的效率和安全性。当飞机在空中飞行时，它通过在机翼上方和下方产生压力差来产生升力。气流在机翼上方的平滑流动对于维持这种升力至关重要。然而，如果机翼的攻角变得过陡，气流将无法再附着在机翼表面上，从而导致一种称为喷流分离的情况。气流的分离可能导致升力的显著损失和阻力的增加，这可能导致飞机失速。失速是一种危险情况，飞机无法再保持受控飞行，如果处理不当，可能导致灾难性事故。因此，了解导致喷流分离的条件对于飞行员和工程师都至关重要。导致喷流分离的因素有几个。其中一个主要因素是机翼的形状。高展弦比的机翼由于其细长的形状，往往能延迟喷流分离，促进气流更平稳地流动。相反，低展弦比的机翼可能在较低的攻角下经历喷流分离。此外，飞机的速度也起着重要作用；在更高的速度下，气流会在机翼上附着更长时间，从而延迟喷流分离。另一个需要考虑的重要方面是湍流气流的影响。当机翼上的气流变得湍流时，可能会导致更早的喷流分离。工程师通常使用各种技术，例如涡流发生器或翼尖小翼，来管理气流并最小化湍流的影响。这些装置帮助保持气流在机翼上方的平稳流动，减少喷流分离的可能性，提高整体空气动力性能。总之，喷流分离是空气动力学中的一个关键概念，对飞机的设计和操作具有重要影响。通过理解导致喷流分离的因素，工程师可以开发出更好的设计，从而提高安全性和效率。飞行员还必须意识到可能导致喷流分离的条件，以确保他们能够做出适当反应并维持飞机的控制。随着技术的不断发展，喷流分离的研究将继续成为追求更安全、更高效航空的关键领域。