jet propulsion

简明释义

喷射推进

英英释义

例句

1.Many military aircraft rely on jet propulsion for high-speed maneuvers.

许多军用飞机依赖于喷气推进进行高速机动。

2.The development of jet propulsion systems has revolutionized air travel.

喷气推进系统的发展彻底改变了航空旅行。

3.Engineers are constantly improving jet propulsion technologies to increase efficiency.

工程师们不断改进喷气推进技术以提高效率。

4.The concept of jet propulsion is fundamental in modern aerospace engineering.

现代航空航天工程中，喷气推进的概念是基础。

5.The principles of jet propulsion can be applied to both rockets and jet engines.

喷气推进的原理可以应用于火箭和喷气发动机。

作文

Jet propulsion is a fascinating concept that has revolutionized the way we travel and explore our world. This technology is based on the principle of action and reaction, as described by Newton's third law of motion. When a jet engine expels a high-speed stream of gas, it creates an equal and opposite force that propels the aircraft forward. This mechanism allows for rapid acceleration and efficient movement through the air, making it a cornerstone of modern aviation. The development of jet propulsion (喷气推进) systems began in the early 20th century, with pioneers like Frank Whittle and Hans von Ohain contributing to its advancement. Their innovations led to the first operational jet engines, which powered military aircraft during World War II and later commercial airliners.The efficiency of jet propulsion (喷气推进) is one of its most significant advantages. Unlike traditional piston engines, which rely on atmospheric pressure to draw in air, jet engines compress the incoming air before mixing it with fuel and igniting the mixture. This process generates a powerful thrust that enables aircraft to reach high altitudes and speeds. As a result, modern jets can cover vast distances in a fraction of the time it would take other forms of transport, such as trains or ships.Moreover, jet propulsion (喷气推进) has applications beyond aviation. It plays a crucial role in space exploration, where rockets utilize similar principles to escape Earth's gravity. The combination of liquid fuel and oxidizers in rocket engines produces an immense amount of thrust, allowing spacecraft to travel to distant planets and conduct scientific research in space. The advancements in jet propulsion (喷气推进) technologies have made it possible for humans to venture into the cosmos, expanding our understanding of the universe.However, the environmental impact of jet propulsion (喷气推进) cannot be overlooked. Jet engines emit greenhouse gases and contribute to air pollution, raising concerns about climate change. The aviation industry is actively seeking sustainable alternatives to reduce its carbon footprint. Innovations such as biofuels, electric propulsion, and hybrid systems are being explored to create a more environmentally friendly future for air travel. These efforts highlight the importance of balancing technological advancement with ecological responsibility.In conclusion, jet propulsion (喷气推进) is an essential technology that has transformed transportation and exploration. Its principles of physics enable rapid and efficient travel, while its implications extend into space exploration. As we continue to innovate and seek sustainable solutions, the future of jet propulsion (喷气推进) holds great promise. Understanding this technology not only enhances our appreciation for modern conveniences but also encourages us to consider the environmental challenges that accompany our advancements. By fostering a responsible approach to jet propulsion (喷气推进), we can ensure that future generations benefit from the wonders of flight and exploration without compromising the health of our planet.

喷气推进是一个迷人的概念，它彻底改变了我们旅行和探索世界的方式。这项技术基于牛顿第三运动定律的作用与反作用原理。当喷气发动机排出高速气体流时，会产生一个相等且相反的力，从而推动飞机向前。这一机制允许快速加速和高效地在空气中移动，使其成为现代航空的基石。喷气推进的开发始于20世纪初，先锋人物如弗兰克·惠特尔和汉斯·冯·奥海因为其进步做出了贡献。他们的创新导致了第一台可操作的喷气发动机，这些发动机在第二次世界大战期间为军用飞机提供动力，后来又为商业客机服务。喷气推进的效率是其最显著的优势之一。与传统的活塞发动机依靠大气压力吸入空气不同，喷气发动机在混合空气与燃料并点燃混合物之前会对进入的空气进行压缩。这个过程产生强大的推力，使飞机能够达到高空和高速。因此，现代喷气飞机可以在短短的时间内覆盖广阔的距离，远远超过火车或船只等其他运输方式。此外，喷气推进在航空之外也有重要应用。它在太空探索中发挥着关键作用，火箭利用类似的原理逃离地球的引力。液体燃料和氧化剂的组合在火箭发动机中产生巨大的推力，使航天器能够前往遥远的行星并进行科学研究。喷气推进技术的进步使人类能够进入宇宙，扩展我们对宇宙的理解。然而，喷气推进的环境影响不容忽视。喷气发动机排放温室气体并造成空气污染，引发了对气候变化的担忧。航空业正在积极寻求可持续替代方案，以减少其碳足迹。生物燃料、电动推进和混合系统等创新正在被探索，以创造一个更环保的航空旅行未来。这些努力突显了在技术进步与生态责任之间取得平衡的重要性。总之，喷气推进是一项基本技术，它改变了交通和探索。其物理原理使快速和高效的旅行成为可能，其影响延伸到太空探索。随着我们继续创新和寻求可持续解决方案，喷气推进的未来充满希望。理解这项技术不仅增强了我们对现代便利的欣赏，也鼓励我们考虑伴随进步而来的环境挑战。通过对喷气推进采取负责任的态度，我们可以确保未来的世代在不损害我们星球健康的情况下受益于飞行和探索的奇迹。