turbulent separation

简明释义

湍流界层分离

英英释义

例句

1.Understanding turbulent separation is crucial for improving the aerodynamic efficiency of sports cars.

理解湍流分离对提高跑车的空气动力学效率至关重要。

2.The aircraft experienced turbulent separation during its ascent, causing a sudden drop in altitude.

在飞机升空过程中，经历了湍流分离，导致高度突然下降。

3.During high-speed tests, turbulent separation was observed at the rear of the car.

在高速测试中，观察到汽车后部发生了湍流分离。

4.The simulation showed that turbulent separation can lead to increased drag on the vehicle.

模拟显示，湍流分离会导致车辆阻力增加。

5.Engineers must consider turbulent separation when designing the wings of a new jet to ensure stability.

工程师在设计新型喷气机的机翼时必须考虑湍流分离以确保稳定性。

作文

In the study of fluid dynamics, one of the critical phenomena that engineers and scientists encounter is turbulent separation. This term refers to the point at which a fluid flow separates from a surface, typically due to an increase in velocity or a change in the flow’s direction. Understanding turbulent separation is essential for designing efficient vehicles, aircraft, and various engineering structures. When a fluid flows over a surface, it creates a boundary layer where the flow velocity decreases due to viscous effects. As the flow continues, if the surface geometry changes—such as when an airplane wing reaches a certain angle of attack—the flow can no longer adhere to the surface. This leads to turbulent separation, characterized by chaotic and irregular flow patterns.The implications of turbulent separation are significant in many applications. For instance, in aerodynamics, when an aircraft wing experiences turbulent separation, it can lead to a loss of lift and increased drag, which ultimately affects the performance and fuel efficiency of the aircraft. Engineers strive to minimize turbulent separation through various design strategies, such as optimizing wing shapes and using vortex generators to control the flow.Moreover, turbulent separation is not limited to aviation; it also plays a crucial role in marine engineering, automotive design, and even in the design of bridges and buildings. In marine vessels, for example, turbulent separation can affect hull performance and stability, while in automobiles, it can influence drag coefficients and fuel consumption.To further understand the mechanics of turbulent separation, researchers utilize computational fluid dynamics (CFD) simulations. These simulations allow for detailed analysis of flow patterns around various surfaces, providing insights into how turbulent separation occurs and how it can be mitigated. By studying the conditions that lead to turbulent separation, engineers can develop more effective designs that enhance performance and safety.In conclusion, turbulent separation is a fundamental concept in fluid dynamics with far-reaching implications across multiple engineering disciplines. Its understanding is vital for improving the efficiency and effectiveness of various systems, from aircraft to automobiles and beyond. As technology advances, the ability to predict and control turbulent separation will continue to play a crucial role in the development of innovative solutions to complex engineering challenges.

在流体动力学研究中，工程师和科学家们遇到的一个关键现象是湍流分离。这个术语指的是流体流动由于速度增加或流动方向变化而从表面分离的点。理解湍流分离对于设计高效的车辆、飞机和各种工程结构至关重要。当流体在表面上流动时，会形成一个边界层，在该层中，由于粘性效应，流速降低。随着流动的继续，如果表面几何形状发生变化——例如，当飞机机翼达到某个攻角时——流动就无法再附着在表面上。这导致了湍流分离，其特征是混乱和不规则的流动模式。湍流分离的影响在许多应用中都非常重要。例如，在空气动力学中，当飞机机翼经历湍流分离时，可能会导致升力损失和阻力增加，这最终会影响飞机的性能和燃油效率。工程师们努力通过各种设计策略来最小化湍流分离，例如优化机翼形状和使用涡流发生器来控制流动。此外，湍流分离不仅限于航空领域；它在海洋工程、汽车设计，甚至在桥梁和建筑物的设计中也发挥着关键作用。在海洋船舶中，例如，湍流分离会影响船体性能和稳定性，而在汽车中，它会影响阻力系数和燃油消耗。为了进一步理解湍流分离的机制，研究人员利用计算流体动力学（CFD）模拟。这些模拟允许对各种表面周围的流动模式进行详细分析，提供有关湍流分离如何发生以及如何减轻的见解。通过研究导致湍流分离的条件，工程师可以开发出更有效的设计，从而提高性能和安全性。总之，湍流分离是流体动力学中的一个基本概念，在多个工程学科中具有广泛的影响。理解这一概念对于提高各种系统的效率和有效性至关重要，从飞机到汽车，甚至更远。随着技术的进步，预测和控制湍流分离的能力将继续在开发创新解决方案以应对复杂工程挑战中发挥关键作用。