subsonic wind tunnel

简明释义

亚音速风洞

英英释义

例句

1.The team conducted experiments in a subsonic wind tunnel (亚音速风洞) to refine the design of the new drone.

团队在亚音速风洞 (亚音速风洞)中进行实验，以完善新无人机的设计。

2.In the subsonic wind tunnel (亚音速风洞), we observed how different wing shapes affected lift and drag.

在亚音速风洞 (亚音速风洞)中，我们观察到不同机翼形状对升力和阻力的影响。

3.The subsonic wind tunnel (亚音速风洞) provided valuable data for improving the fuel efficiency of the vehicle.

该亚音速风洞 (亚音速风洞)提供了改善车辆燃油效率的宝贵数据。

4.The engineers tested the new aircraft design in a subsonic wind tunnel (亚音速风洞) to analyze its aerodynamic performance.

工程师们在一个亚音速风洞 (亚音速风洞)中测试了新飞机设计，以分析其空气动力学性能。

5.Using a subsonic wind tunnel (亚音速风洞), researchers were able to simulate flight conditions at lower speeds.

研究人员利用亚音速风洞 (亚音速风洞)能够模拟较低速度下的飞行条件。

作文

The field of aerodynamics is crucial for the design and testing of various aircraft and vehicles. One of the essential tools used in this field is the subsonic wind tunnel, which allows engineers to study the behavior of air as it flows around models at speeds below the speed of sound. The term 'subsonic wind tunnel' refers to a controlled environment where airflow can be manipulated to simulate conditions that an aircraft or vehicle would experience during flight or travel at lower speeds.In a subsonic wind tunnel, the airspeed is typically below 343 meters per second, which is the speed of sound at sea level. This type of wind tunnel is designed to provide a stable and repeatable environment for testing various aerodynamic shapes. By using a subsonic wind tunnel, engineers can gather valuable data on lift, drag, and other aerodynamic forces acting on a model. This information is critical for optimizing the design of wings, fuselages, and other components of an aircraft.The operation of a subsonic wind tunnel involves creating a high-speed airflow over a model placed within the testing chamber. The model is usually mounted on a balance system that measures the forces acting on it during the test. Engineers can then analyze the data collected to make informed decisions about modifications to improve performance. For instance, if a model experiences excessive drag, engineers might alter its shape or surface texture to reduce resistance and enhance efficiency.One of the significant advantages of using a subsonic wind tunnel is the ability to visualize airflow patterns. Many wind tunnels are equipped with smoke or laser visualization techniques that allow engineers to see how air interacts with the model. This visualization helps in understanding complex phenomena such as flow separation, vortex formation, and turbulence. By observing these effects, engineers can refine their designs to achieve smoother airflow and improved performance.The importance of subsonic wind tunnels extends beyond just aircraft design. They are also used in various industries, including automotive, marine, and even sports equipment manufacturing. For example, automotive engineers utilize subsonic wind tunnels to test car aerodynamics, ensuring that vehicles are not only efficient but also stable at high speeds. Similarly, sports equipment manufacturers may use these facilities to design better bicycles or helmets by minimizing aerodynamic drag.In conclusion, the subsonic wind tunnel is a vital tool in the field of aerodynamics, providing engineers with the means to test and optimize designs in a controlled environment. Its applications span across multiple industries, demonstrating its significance in enhancing performance and efficiency. As technology continues to advance, the capabilities of subsonic wind tunnels will likely expand, further contributing to innovations in design and engineering. Understanding the principles and functionalities of a subsonic wind tunnel is essential for anyone involved in aerodynamics and related fields, as it plays a pivotal role in shaping the future of transportation and technology.

空气动力学领域对于各种飞机和车辆的设计与测试至关重要。该领域使用的基本工具之一是亚音速风洞，它允许工程师研究空气在低于音速的速度下流动时的行为。术语亚音速风洞指的是一个受控环境，在该环境中，气流可以被操控以模拟飞机或车辆在较低速度下飞行或行驶时所经历的条件。在亚音速风洞中，气流速度通常低于每秒343米，这是海平面上的音速。这种类型的风洞旨在提供一个稳定且可重复的测试环境，以测试各种气动形状。通过使用亚音速风洞，工程师可以收集关于升力、阻力和作用于模型的其他气动力的数据。这些信息对优化机翼、机身和其他飞机组件的设计至关重要。亚音速风洞的操作涉及在测试室内创建高速气流，通过放置的模型。模型通常安装在一个平衡系统上，该系统测量测试期间作用于模型的力量。然后，工程师可以分析收集到的数据，以便做出明智的决定，进行修改以提高性能。例如，如果一个模型经历了过大的阻力，工程师可能会改变其形状或表面纹理，以减少阻力并提高效率。使用亚音速风洞的一个重要优势是能够可视化气流模式。许多风洞配备有烟雾或激光可视化技术，允许工程师看到空气如何与模型相互作用。这种可视化有助于理解复杂现象，如流动分离、涡旋形成和湍流。通过观察这些效应，工程师可以精炼他们的设计，以实现更平稳的气流和改善的性能。亚音速风洞的重要性不仅限于飞机设计。它们还被广泛应用于汽车、海洋以及甚至体育设备制造等多个行业。例如，汽车工程师利用亚音速风洞测试汽车的空气动力学，确保车辆不仅高效而且在高速下稳定。同样，体育设备制造商可能会利用这些设施设计更好的自行车或头盔，以最小化空气动力学阻力。总之，亚音速风洞是空气动力学领域的重要工具，为工程师提供了在受控环境中测试和优化设计的手段。它的应用跨越多个行业，展示了其在提高性能和效率方面的重要性。随着技术的不断进步，亚音速风洞的能力可能会进一步扩展，进一步促进设计和工程的创新。理解亚音速风洞的原理和功能对于任何参与空气动力学及相关领域的人来说都是必不可少的，因为它在塑造交通和技术的未来中发挥着关键作用。