shock wave drag

简明释义

波阻

英英释义

例句

1.The research focused on minimizing shock wave drag 冲击波阻力 at high speeds.

研究集中在高速度下最小化冲击波阻力。

2.Understanding shock wave drag 冲击波阻力 is crucial for developing faster vehicles.

理解冲击波阻力对于开发更快的交通工具至关重要。

3.Pilots must be aware of shock wave drag 冲击波阻力 when flying at transonic speeds.

飞行员在跨音速飞行时必须意识到冲击波阻力。

4.The aircraft experienced significant shock wave drag 冲击波阻力 during its supersonic flight.

在超音速飞行中，飞机经历了显著的冲击波阻力。

5.Engineers are working to reduce shock wave drag 冲击波阻力 in the design of the new jet.

工程师们正在努力减少新型喷气机设计中的冲击波阻力。

作文

In the field of aerodynamics, one of the most critical concepts that engineers must understand is drag, particularly when it comes to high-speed flight. Among the various types of drag, shock wave drag plays a significant role in the performance of supersonic aircraft. To comprehend shock wave drag, we first need to explore the nature of shock waves and how they interact with an aircraft's structure. When an aircraft travels faster than the speed of sound, it generates shock waves due to the compression of air molecules in front of it. These shock waves create a sudden change in pressure, temperature, and density of the air, leading to a phenomenon known as shock wave drag. This type of drag can significantly affect the efficiency and stability of an aircraft, making it a crucial factor for aerospace engineers to consider during the design phase. The formation of shock waves occurs at specific points on the aircraft, typically around the wings and the nose. As the aircraft accelerates to supersonic speeds, the air pressure builds up in front of it, resulting in a bow shock wave. This wave then propagates outward and downward, creating a region of high pressure that leads to increased aerodynamic resistance, which is the essence of shock wave drag. Understanding shock wave drag is essential for optimizing aircraft performance. Engineers must design wings and fuselages that minimize the adverse effects of these shock waves while maintaining lift and control. For instance, the shape of the aircraft can be streamlined to reduce drag. By employing techniques such as area ruling, where the cross-sectional area of the aircraft is gradually changed, engineers can help alleviate some of the pressure build-up caused by shock waves. Moreover, advancements in materials and technology have allowed for the development of supersonic aircraft that can withstand the challenges posed by shock wave drag. Modern aircraft often utilize composite materials that are lighter and stronger, enabling them to achieve higher speeds without compromising structural integrity. Additionally, computational fluid dynamics (CFD) simulations have become invaluable tools for predicting and analyzing the effects of shock wave drag on aircraft performance. In conclusion, shock wave drag is a vital concept in the study of aerodynamics, especially for high-speed aircraft. It represents a unique challenge that requires innovative engineering solutions to overcome. As technology continues to advance, our understanding of shock wave drag will undoubtedly improve, leading to more efficient and capable supersonic vehicles that can operate safely and effectively in our skies. By addressing the complexities associated with shock wave drag, engineers can ensure that future aircraft not only meet the demands of speed but also maintain performance and safety standards that are paramount in aviation. This ongoing research and development will pave the way for the next generation of flight, allowing us to explore new horizons in air travel.

在空气动力学领域，工程师必须理解的一个关键概念是阻力，特别是在高速飞行中。在各种类型的阻力中，冲击波阻力在超音速飞机的性能中发挥着重要作用。要理解冲击波阻力，我们首先需要探索冲击波的性质及其与飞机结构的相互作用。当飞机以超过音速的速度飞行时，由于前方空气分子的压缩，它会产生冲击波。这些冲击波造成空气压力、温度和密度的突然变化，导致一种现象称为冲击波阻力。这种类型的阻力可以显著影响飞机的效率和稳定性，因此成为航空工程师在设计阶段必须考虑的关键因素。冲击波的形成发生在飞机的特定位置，通常是在机翼和机头周围。当飞机加速到超音速时，前方的空气压力逐渐增大，形成了弓形冲击波。这个波随后向外和向下传播，形成高压区域，导致空气动力学阻力增加，这就是冲击波阻力的本质。理解冲击波阻力对于优化飞机性能至关重要。工程师必须设计出能够最小化这些冲击波不利影响的机翼和机身，同时保持升力和控制。例如，飞机的形状可以被流线型设计，以减少阻力。通过采用区域规则技术，即逐渐改变飞机的横截面积，工程师可以帮助缓解由冲击波引起的一些压力积聚。此外，材料和技术的进步使得能够开发出能够承受冲击波阻力挑战的超音速飞机。现代飞机通常采用更轻、更强的复合材料，使它们能够在不妥协结构完整性的情况下达到更高的速度。此外，计算流体动力学（CFD）模拟已成为预测和分析冲击波阻力对飞机性能影响的重要工具。总之，冲击波阻力是研究空气动力学，尤其是高速飞机中的一个重要概念。它代表了一项独特的挑战，需要创新的工程解决方案来克服。随着技术的不断进步，我们对冲击波阻力的理解无疑会得到改善，从而导致更高效、更具能力的超音速飞行器，能够安全有效地在我们的天空中运行。通过解决与冲击波阻力相关的复杂问题，工程师可以确保未来的飞机不仅满足速度的需求，还保持航空中至关重要的性能和安全标准。这项持续的研究和开发将为下一代飞行铺平道路，使我们能够探索航空旅行的新视野。