air breathing engine

简明释义

喷气发动机

英英释义

例句

1.In hypersonic flight, air breathing engines play a crucial role in propulsion.

在超音速飞行中，空气呼吸发动机在推进中起着至关重要的作用。

2.The air breathing engine allows the aircraft to use atmospheric oxygen for combustion.

空气呼吸发动机使飞机能够利用大气中的氧气进行燃烧。

3.The development of the air breathing engine has revolutionized modern aviation.

空气呼吸发动机的发展革新了现代航空。

4.Compared to rocket engines, air breathing engines are more efficient at lower altitudes.

与火箭发动机相比，空气呼吸发动机在较低高度时更高效。

5.NASA is researching air breathing engines for future space missions.

美国国家航空航天局正在研究未来太空任务的空气呼吸发动机。

作文

Air breathing engine technology has revolutionized the field of aerospace engineering and propulsion systems. Unlike traditional rocket engines that carry both fuel and oxidizer, air breathing engines utilize atmospheric oxygen to combust the fuel, making them more efficient for certain applications. This characteristic allows these engines to operate at lower altitudes and speeds, where the density of air is sufficient to support combustion. The most common types of air breathing engines include turbojet, turbofan, and ramjet engines, each designed for specific operational environments and performance requirements.One of the key advantages of air breathing engines is their efficiency in terms of fuel consumption. By relying on the oxygen present in the atmosphere, these engines can achieve higher thrust-to-weight ratios compared to their rocket counterparts. For instance, commercial airliners predominantly use turbofan engines, which are a type of air breathing engine known for their high efficiency and low noise levels. As a result, they can travel long distances without requiring excessive amounts of fuel, making air travel more economical and environmentally friendly.In military applications, air breathing engines offer significant benefits as well. Fighter jets equipped with turbojet or turbofan engines can reach supersonic speeds while maintaining agility and maneuverability. Additionally, advanced designs like the ramjet engine allow for sustained supersonic flight without the need for complex mechanical components. These capabilities make air breathing engines an essential part of modern aerial warfare and defense strategies.However, air breathing engines also have limitations. They are not suitable for space travel, as they require an atmosphere to function. Once an aircraft reaches the edge of space, it must switch to rocket engines to continue its journey. Furthermore, the performance of air breathing engines decreases significantly at high altitudes where the air is thinner, necessitating the use of hybrid propulsion systems for optimal efficiency.The future of air breathing engines looks promising with ongoing research and development aimed at improving their performance and reducing their environmental impact. Innovations such as scramjet (supersonic combustion ramjet) technology are being explored to enable hypersonic flight, which could revolutionize air travel by drastically reducing travel times across the globe. Moreover, advancements in materials and design could lead to more efficient and sustainable air breathing engines, paving the way for greener aviation solutions.In conclusion, air breathing engines play a crucial role in both civilian and military aviation, offering unique advantages in terms of efficiency and performance. While they face challenges in certain applications, the potential for future advancements makes them a vital area of study within aerospace engineering. As we continue to explore the limits of flight, air breathing engines will undoubtedly remain at the forefront of innovation in propulsion technology.

空气呼吸发动机技术在航空航天工程和推进系统领域带来了革命性的变化。与传统的火箭发动机需要携带燃料和氧化剂不同，空气呼吸发动机利用大气中的氧气来燃烧燃料，使其在某些应用中更加高效。这一特性使这些发动机能够在较低的高度和速度下运行，在那里空气的密度足以支持燃烧。最常见的空气呼吸发动机类型包括涡喷、涡扇和冲压喷气发动机，每种类型都针对特定的操作环境和性能要求进行设计。空气呼吸发动机的一个关键优势是其在燃料消耗方面的效率。通过依赖大气中的氧气，这些发动机可以实现比火箭发动机更高的推重比。例如，商用客机主要使用涡扇发动机，这是一种以高效率和低噪音水平著称的空气呼吸发动机。因此，它们能够在不需要过量燃料的情况下长途旅行，使航空旅行更加经济和环保。在军事应用中，空气呼吸发动机也提供了显著的优势。装备有涡喷或涡扇发动机的战斗机可以在保持灵活性和机动性的同时达到超音速。此外，像冲压喷气发动机这样的先进设计允许持续的超音速飞行，而无需复杂的机械部件。这些能力使得空气呼吸发动机成为现代空中战争和防御战略的重要组成部分。然而，空气呼吸发动机也有其局限性。它们不适合太空旅行，因为它们需要大气才能工作。一旦飞机达到太空边缘，必须切换到火箭发动机才能继续旅程。此外，空气呼吸发动机在高海拔地区的性能显著下降，因此需要使用混合推进系统以实现最佳效率。空气呼吸发动机的未来看起来很有前景，正在进行的研究和开发旨在提高其性能并减少环境影响。诸如冲压喷气（超音速燃烧冲压）技术的创新正在被探索，以实现高超音速飞行，这可能会通过大幅缩短全球旅行时间来革新航空旅行。此外，材料和设计的进步可能导致更高效和可持续的空气呼吸发动机，为更绿色的航空解决方案铺平道路。总之，空气呼吸发动机在民用和军用航空中发挥着至关重要的作用，在效率和性能方面提供了独特的优势。尽管在某些应用中面临挑战，但未来进步的潜力使其成为航空航天工程中一个重要的研究领域。随着我们继续探索飞行的极限，空气呼吸发动机无疑将继续处于推进技术创新的前沿。