thrust-augmenting nozzle

简明释义

导流管

英英释义

例句

1.The thrust-augmenting nozzle allows for better fuel efficiency in turbojet engines.

这个增推喷嘴使涡轮喷气发动机的燃油效率更高。

2.Engineers designed the thrust-augmenting nozzle to maximize the thrust output during critical phases of flight.

工程师们设计了这个增推喷嘴以在飞行的关键阶段最大化推力输出。

3.By using a thrust-augmenting nozzle, the spacecraft was able to achieve higher speeds.

通过使用增推喷嘴，宇宙飞船能够达到更高的速度。

4.The rocket was equipped with a thrust-augmenting nozzle to improve its performance during launch.

这枚火箭配备了一个增推喷嘴以提高其发射时的性能。

5.The latest model of the fighter jet features an advanced thrust-augmenting nozzle for superior maneuverability.

最新型号的战斗机配备了先进的增推喷嘴，以实现卓越的机动性。

作文

In the realm of aerospace engineering, the design and functionality of propulsion systems are critical for the success of any aircraft or spacecraft. One significant component that plays a pivotal role in enhancing thrust is the thrust-augmenting nozzle. This specialized nozzle is designed to increase the effective thrust produced by an engine, particularly during critical phases of flight such as takeoff and maneuvering. The concept of a thrust-augmenting nozzle revolves around the principle of maximizing the exhaust velocity of the gases expelled from the engine, thereby generating more thrust. The operation of a thrust-augmenting nozzle can be understood through its ability to modify the flow of exhaust gases. Traditional nozzles operate under specific conditions, but when additional features are incorporated into the design, such as variable geometry or secondary air injection, the performance can be significantly enhanced. For example, during takeoff, an aircraft requires maximum thrust to lift off the ground. A thrust-augmenting nozzle can provide this additional thrust by allowing for a greater mass flow rate of exhaust gases, thus improving the overall efficiency of the propulsion system.Moreover, the benefits of a thrust-augmenting nozzle extend beyond just increased thrust. It also contributes to fuel efficiency and reduced emissions. By optimizing the combustion process and ensuring that more energy is converted into useful work, these nozzles help in achieving better fuel economy. This is particularly important in an era where environmental concerns and fuel costs are at the forefront of aviation technology development.The design of a thrust-augmenting nozzle is a complex task that requires a deep understanding of fluid dynamics and thermodynamics. Engineers must consider factors such as pressure, temperature, and the chemical composition of the exhaust gases. Computational fluid dynamics (CFD) simulations are often employed to predict the behavior of the exhaust flow and to optimize the nozzle shape for maximum performance. In military applications, the thrust-augmenting nozzle is even more crucial. Fighter jets, for instance, utilize afterburners—an advanced form of thrust-augmenting nozzle—to achieve supersonic speeds. The afterburner injects additional fuel into the exhaust stream, igniting it and producing a significant increase in thrust. This capability allows military aircraft to perform rapid maneuvers and engage in aerial combat with superior agility.In conclusion, the thrust-augmenting nozzle is an essential innovation in the field of aerospace engineering that significantly enhances the performance of propulsion systems. Its ability to increase thrust while improving fuel efficiency makes it a valuable asset in both commercial and military aviation. As technology continues to advance, the design and implementation of thrust-augmenting nozzles will undoubtedly evolve, leading to even more efficient and powerful propulsion systems in the future.

在航空航天工程领域，推进系统的设计和功能对于任何飞机或航天器的成功至关重要。一个在增强推力方面发挥关键作用的重要组件是增推喷嘴。这种专用喷嘴旨在增加发动机产生的有效推力，特别是在起飞和机动等飞行的关键阶段。增推喷嘴的概念围绕着最大化从发动机排出的气体的排放速度，从而产生更多的推力。增推喷嘴的操作可以通过其修改废气流动的能力来理解。传统喷嘴在特定条件下运行，但当在设计中加入额外的特征，如可变几何形状或二次空气注入时，性能可以显著提高。例如，在起飞过程中，飞机需要最大推力以离开地面。增推喷嘴可以通过允许更大的废气质量流量来提供这种额外的推力，从而改善推进系统的整体效率。此外，增推喷嘴的好处不仅限于增加推力。它还对燃油效率和减少排放做出了贡献。通过优化燃烧过程并确保更多的能量转化为有用的工作，这些喷嘴帮助实现了更好的燃油经济性。在环保问题和燃料成本成为航空技术发展前沿的时代，这一点尤为重要。增推喷嘴的设计是一项复杂的任务，需要深入了解流体动力学和热力学。工程师必须考虑压力、温度和废气的化学成分等因素。计算流体动力学（CFD）模拟常用于预测废气流动的行为，并优化喷嘴形状以获得最佳性能。在军事应用中，增推喷嘴更是至关重要。战斗机例如利用加力燃烧室——一种先进的增推喷嘴——以达到超音速速度。加力燃烧室将额外的燃料注入废气流中，点燃它并产生显著的推力增加。这种能力使得军用飞机能够执行快速机动并以卓越的敏捷性参与空中作战。总之，增推喷嘴是航空航天工程领域的一项重要创新，显著增强了推进系统的性能。它在提高燃油效率的同时增加推力，使其成为商业和军事航空中的宝贵资产。随着技术的不断进步，增推喷嘴的设计和实施无疑会不断演变，未来推动系统将变得更加高效和强大。