wind-tunnel model

简明释义

风洞试验模型

英英释义

A wind-tunnel model is a scaled-down version of an object, such as an aircraft or vehicle, used in a wind tunnel to study aerodynamic properties and behavior under simulated airflow conditions.

风洞模型是物体(如飞机或车辆)的缩小版,用于风洞中研究气动特性和在模拟气流条件下的行为。

例句

1.The engineers tested the new aircraft design using a wind-tunnel model 风洞模型 to analyze its aerodynamic properties.

工程师们使用一个风洞模型 wind-tunnel model 测试新的飞机设计,以分析其空气动力学特性。

2.The racing team invested in a sophisticated wind-tunnel model 风洞模型 to improve their car's performance on the track.

赛车队投资了一个复杂的风洞模型 wind-tunnel model 以提高他们汽车在赛道上的表现。

3.During the design phase, the architect used a wind-tunnel model 风洞模型 to test the building's impact on local wind patterns.

在设计阶段,建筑师使用了一个风洞模型 wind-tunnel model 来测试建筑对当地风模式的影响。

4.The wind-tunnel model 风洞模型 helped researchers understand how wind interacts with various structures.

这个风洞模型 wind-tunnel model 帮助研究人员理解风与各种结构的相互作用。

5.Before launching the car, the team created a wind-tunnel model 风洞模型 to ensure it would perform well at high speeds.

在推出汽车之前,团队创建了一个风洞模型 wind-tunnel model 以确保它在高速下表现良好。

作文

In the realm of aerospace engineering and fluid dynamics, the term wind-tunnel model refers to a scaled-down version of an aircraft or other aerodynamic structure that is tested in a wind tunnel. This testing method is crucial for understanding how air flows around objects and for predicting the performance of full-scale designs under various conditions. The wind-tunnel model allows engineers to gather data on lift, drag, and other aerodynamic forces, which are essential for optimizing the shape and efficiency of vehicles designed for flight.The process begins with the design of the wind-tunnel model, which must accurately represent the full-scale object while being small enough to fit within the confines of a wind tunnel. Engineers utilize computer-aided design (CAD) software to create precise models that can be manufactured using materials like plastic or metal. Once the model is created, it is placed in the wind tunnel where air is blown over it at various speeds.During testing, sensors are attached to the wind-tunnel model to measure different parameters such as pressure and velocity. These measurements help in calculating the aerodynamic forces acting on the model. By analyzing this data, engineers can identify areas where the design may need improvement, such as reducing drag or increasing lift. This iterative process of testing and modifying the model is vital for refining the final design before it is built at full scale.The significance of the wind-tunnel model extends beyond just aircraft; it is also used in the automotive industry, civil engineering, and even sports equipment design. For example, car manufacturers use wind-tunnel models to test the aerodynamics of their vehicles, ensuring they can achieve better fuel efficiency and stability at high speeds. Similarly, architects may use wind-tunnel models to study how wind interacts with buildings and urban layouts, leading to safer and more efficient structures.Moreover, advancements in technology have led to the development of digital wind tunnels, where computational fluid dynamics (CFD) simulations can complement physical testing. However, the importance of the traditional wind-tunnel model remains, as it provides tangible results that can validate these simulations. The combination of both methods offers a comprehensive understanding of aerodynamic behavior.In conclusion, the wind-tunnel model is an indispensable tool in the field of aerodynamics. It allows engineers to visualize airflow and make informed decisions about design modifications. Whether for aircraft, cars, or buildings, the insights gained from testing wind-tunnel models play a crucial role in enhancing performance and safety. As technology continues to evolve, the integration of traditional methods with modern computational techniques will further enhance our understanding of fluid dynamics and lead to innovative designs across various industries.

在航空航天工程和流体动力学领域,术语风洞模型指的是在风洞中测试的缩小版飞机或其他空气动力学结构。这种测试方法对于理解空气如何在物体周围流动以及预测全尺寸设计在各种条件下的性能至关重要。风洞模型使工程师能够收集升力、阻力和其他空气动力学力的数据,这些数据对于优化飞行器的形状和效率是必不可少的。这一过程始于风洞模型的设计,它必须准确代表全尺度物体,同时又足够小以适应风洞的限制。工程师利用计算机辅助设计(CAD)软件创建精确的模型,这些模型可以使用塑料或金属等材料制造。一旦模型创建完成,就会将其放置在风洞中,在不同速度下吹送空气。在测试过程中,传感器被附加到风洞模型上,以测量压力和速度等不同参数。这些测量帮助计算作用在模型上的空气动力学力。通过分析这些数据,工程师可以识别设计需要改进的地方,例如减少阻力或增加升力。这种测试和修改模型的迭代过程对于在全尺寸建造之前完善最终设计至关重要。风洞模型的重要性不仅限于飞机;它也被广泛应用于汽车工业、土木工程,甚至运动器材设计。例如,汽车制造商使用风洞模型测试其车辆的空气动力学,确保它们能够在高速下实现更好的燃油效率和稳定性。同样,建筑师可能会使用风洞模型研究风与建筑物和城市布局的相互作用,从而导致更安全和更高效的结构。此外,技术的进步使数字风洞的发展成为可能,其中计算流体动力学(CFD)模拟可以补充物理测试。然而,传统的风洞模型的重要性依然存在,因为它提供的切实结果可以验证这些模拟。两种方法的结合提供了对空气动力学行为的全面理解。总之,风洞模型是空气动力学领域中不可或缺的工具。它使工程师能够可视化气流并做出明智的设计修改决策。无论是飞机、汽车还是建筑,通过测试风洞模型获得的见解在提高性能和安全性方面发挥着至关重要的作用。随着技术的不断发展,传统方法与现代计算技术的结合将进一步增强我们对流体动力学的理解,并在各个行业推动创新设计。