liquid propellant rocket

简明释义

液体推进剂火箭

英英释义

例句

1.Researchers are studying the combustion processes in liquid propellant rockets 液体推进火箭 to improve their performance.

研究人员正在研究液体推进火箭 液体推进火箭中的燃烧过程，以提高其性能。

2.Engineers are currently developing a new type of liquid propellant rocket 液体推进火箭 that can be reused multiple times.

工程师们正在开发一种新的液体推进火箭 液体推进火箭，可以多次重复使用。

3.NASA's Space Launch System utilizes a liquid propellant rocket 液体推进火箭 to transport astronauts to deep space.

美国宇航局的空间发射系统利用液体推进火箭 液体推进火箭将宇航员送往深空。

4.The launch of the satellite was successful thanks to the powerful liquid propellant rocket 液体推进火箭 used in the mission.

卫星的发射因任务中使用的强大液体推进火箭 液体推进火箭而成功。

5.The efficiency of a liquid propellant rocket 液体推进火箭 makes it ideal for launching heavy payloads.

由于高效，液体推进火箭 液体推进火箭非常适合发射重型载荷。

作文

The development of space exploration has been significantly influenced by various technologies, among which the liquid propellant rocket plays a crucial role. A liquid propellant rocket (液体推进火箭) utilizes liquid fuels and oxidizers to create thrust. This technology allows for more efficient propulsion compared to solid fuel rockets, making it a preferred choice for many modern space missions. The basic principle behind a liquid propellant rocket involves the combustion of fuel and oxidizer in a combustion chamber. The resulting high-pressure gases are expelled through a nozzle, generating thrust according to Newton's third law of motion. This method of propulsion offers several advantages, including the ability to control the thrust and adjust the engine performance during flight. One of the most notable examples of a liquid propellant rocket is NASA's Space Launch System (SLS), which is designed to carry astronauts to the Moon and beyond. The SLS uses liquid hydrogen and liquid oxygen as its propellants, which provide a high specific impulse, meaning that they produce a significant amount of thrust for the amount of fuel consumed. This efficiency is essential for long-duration missions where every kilogram of payload counts. In addition to NASA, many private companies have also embraced the liquid propellant rocket technology. SpaceX, for instance, has developed the Falcon 9 rocket, which uses RP-1 (a refined form of kerosene) and liquid oxygen. The reusability of the Falcon 9’s first stage has revolutionized the economics of space travel, demonstrating how liquid propellant rockets can be both efficient and cost-effective. Moreover, the adaptability of liquid propellant rockets makes them suitable for a variety of applications, from launching satellites into orbit to interplanetary missions. The flexibility in fuel choice allows engineers to optimize designs based on mission requirements, whether it involves speed, efficiency, or payload capacity. However, the operation of liquid propellant rockets is not without challenges. The handling of cryogenic fuels, such as liquid hydrogen, requires specialized equipment and safety protocols due to their extremely low temperatures and flammable nature. Furthermore, the complexity of the engine systems can lead to potential failures if not meticulously designed and tested. Despite these challenges, the future of liquid propellant rockets remains bright. With advancements in technology, such as additive manufacturing and improved materials, the design and production of these rockets are becoming more streamlined. Researchers are also exploring new types of propellants that could further enhance performance and safety. In conclusion, the liquid propellant rocket (液体推进火箭) is a cornerstone of modern aerospace technology. Its ability to provide controlled and efficient thrust makes it indispensable for current and future space exploration endeavors. As we continue to push the boundaries of what is possible in space travel, the innovations surrounding liquid propellant rockets will undoubtedly play a pivotal role in our journey to explore the cosmos.

太空探索的发展受到多种技术的显著影响，其中液体推进火箭（liquid propellant rocket）发挥着至关重要的作用。液体推进火箭利用液体燃料和氧化剂产生推力。这项技术相比固体燃料火箭提供了更高效的推进，使其成为许多现代太空任务的首选。液体推进火箭的基本原理涉及在燃烧室中燃烧燃料和氧化剂。由此产生的高压气体通过喷嘴排出，根据牛顿第三定律产生推力。这种推进方法具有几项优势，包括能够控制推力和在飞行过程中调整发动机性能。最著名的液体推进火箭例子之一是NASA的太空发射系统（SLS），该系统旨在将宇航员送往月球及更远的地方。SLS使用液氢和液氧作为推进剂，这提供了高比冲，这意味着它们为消耗的燃料产生了大量推力。这种效率对于长时间的任务至关重要，因为每千克有效载荷都很重要。除了NASA，许多私人公司也采用了液体推进火箭技术。例如，SpaceX开发的猎鹰9号火箭使用RP-1（精炼的煤油）和液氧。猎鹰9号第一阶段的可重复使用性革命性地改变了太空旅行的经济学，证明了液体推进火箭可以既高效又具有成本效益。此外，液体推进火箭的适应性使其适合多种应用，从将卫星送入轨道到星际任务。燃料选择上的灵活性使工程师能够根据任务要求优化设计，无论是速度、效率还是有效载荷能力。然而，液体推进火箭的操作并非没有挑战。由于其极低的温度和易燃性质，处理低温燃料（如液氢）需要专业设备和安全协议。此外，发动机系统的复杂性可能导致潜在故障，如果设计和测试不够细致。尽管面临这些挑战，液体推进火箭的未来依然光明。随着技术的进步，如增材制造和改进材料，这些火箭的设计和生产变得更加简化。研究人员还在探索新的推进剂类型，可能进一步提高性能和安全性。总之，液体推进火箭（liquid propellant rocket）是现代航空航天技术的基石。它提供的可控和高效的推力使其在当前和未来的太空探索事业中不可或缺。随着我们不断推动太空旅行的边界，围绕液体推进火箭的创新无疑将在我们探索宇宙的旅程中发挥关键作用。