jet propulsion

简明释义

喷气推进

英英释义

例句

1.Many rockets rely on jet propulsion to generate the thrust needed for launch.

许多火箭依靠喷气推进产生发射所需的推力。

2.The principles of jet propulsion can also be applied to underwater vehicles.

喷气推进的原理也可以应用于水下载具。

3.Space shuttles utilize jet propulsion to escape Earth's atmosphere.

航天飞机利用喷气推进逃离地球大气层。

4.Engineers study jet propulsion to improve fuel efficiency in jets.

工程师研究喷气推进以提高喷气机的燃油效率。

5.The concept of jet propulsion is essential in designing modern aircraft.

设计现代飞机时，喷气推进的概念是至关重要的。

作文

Jet propulsion is a fascinating topic that has transformed the way we travel and explore our world. It refers to the method of propelling an object by expelling a jet of fluid, typically air or water, at high speed from a nozzle. This principle is not only applicable in aviation but also in various fields such as marine engineering and space exploration. The concept of jet propulsion (喷气推进) can be traced back to the early 20th century when engineers began to experiment with jet engines. These engines operate on the principle of Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. When fuel is burned in a combustion chamber, it creates a high-pressure gas that is expelled through a nozzle, resulting in thrust that propels the vehicle forward.One of the most significant advancements in jet propulsion (喷气推进) technology came with the development of turbojet engines during World War II. These engines allowed aircraft to fly at much higher speeds and altitudes than ever before. The introduction of supersonic jets revolutionized air travel, reducing flight times drastically. Today, commercial airliners like the Boeing 787 and Airbus A350 utilize advanced jet propulsion (喷气推进) systems that are more efficient and environmentally friendly than their predecessors.In addition to aviation, jet propulsion (喷气推进) is also crucial in the maritime industry. Jet boats use water jets to propel themselves forward, providing high maneuverability and speed. This technology is particularly useful in shallow waters where traditional propellers would be ineffective. Furthermore, the principles of jet propulsion (喷气推进) are applied in the design of submarines, allowing them to move quickly and quietly underwater.Space exploration is perhaps the most exciting application of jet propulsion (喷气推进). Rocket engines, which rely on the same fundamental principles, have enabled humanity to reach beyond our planet. The Saturn V rocket, which took astronauts to the Moon, utilized powerful jet propulsion (喷气推进) systems that burned liquid oxygen and kerosene to produce thrust. Modern rockets, such as SpaceX's Falcon 9, continue to push the boundaries of what is possible through advancements in jet propulsion (喷气推进) technology.However, the development of jet propulsion (喷气推进) systems is not without challenges. Engineers must constantly work to improve fuel efficiency, reduce emissions, and enhance safety. The aviation industry is particularly focused on developing sustainable fuels that can minimize the environmental impact of air travel. Innovations in electric and hybrid propulsion systems are also being explored as potential alternatives to traditional jet propulsion (喷气推进).In conclusion, jet propulsion (喷气推进) is a vital technology that has reshaped transportation across multiple domains. Its applications in aviation, marine engineering, and space exploration demonstrate the versatility and significance of this propulsion method. As we continue to innovate and address the challenges associated with jet propulsion (喷气推进), we can look forward to a future where travel is faster, cleaner, and more efficient than ever before.

喷气推进是一个迷人的主题，它改变了我们旅行和探索世界的方式。它指的是通过从喷嘴高速排出流体（通常是空气或水）来推动物体的方法。这一原理不仅适用于航空，还广泛应用于海洋工程和太空探索等多个领域。喷气推进的概念可以追溯到20世纪初，当时工程师们开始实验喷气发动机。这些发动机基于牛顿第三运动定律的原理，即每个作用都有一个相等且相反的反应。当燃料在燃烧室中燃烧时，会产生高压气体通过喷嘴排出，从而产生推力，推动车辆向前。在喷气推进技术中，一个重要的进步是在第二次世界大战期间开发的涡轮喷气发动机。这些发动机使飞机能够以比以往更高的速度和高度飞行。超音速喷气机的引入彻底改变了航空旅行，大大缩短了飞行时间。如今，像波音787和空客A350这样的商用飞机采用了更高效、对环境更友好的先进喷气推进系统。除了航空，喷气推进在海事行业也至关重要。喷气船使用水喷射推进自己向前，提供高机动性和速度。这项技术在传统螺旋桨无效的浅水中尤其有用。此外，喷气推进的原理还应用于潜艇的设计，使其能够快速而安静地在水下移动。太空探索可能是喷气推进最令人兴奋的应用。火箭发动机依赖于相同的基本原理，使人类能够超越我们的星球。将宇航员送上月球的土星五号火箭利用强大的喷气推进系统，燃烧液氧和煤油来产生推力。现代火箭，如SpaceX的猎鹰9号，继续通过在喷气推进技术方面的进步推动可能性的边界。然而，喷气推进系统的发展并非没有挑战。工程师们必须不断努力提高燃料效率、减少排放并增强安全性。航空业特别关注开发可持续燃料，以尽量减少航空旅行对环境的影响。电动和混合动力推进系统的创新也被探索作为传统喷气推进的潜在替代方案。总之，喷气推进是一项重要技术，重塑了多个领域的交通运输。它在航空、海洋工程和太空探索中的应用展示了这一推进方法的多样性和重要性。随着我们继续创新并解决与喷气推进相关的挑战，我们可以期待一个旅行更快、更清洁、更高效的未来。