cryogenic propellant

简明释义

低温火箭燃料

英英释义

例句

1.The use of cryogenic propellant allows spacecraft to carry larger payloads into orbit.

使用低温推进剂使航天器能够将更大的有效载荷送入轨道。

2.The rocket was fueled with cryogenic propellant, which is essential for achieving high efficiency in space travel.

这枚火箭使用了低温推进剂，这对于实现高效的太空旅行至关重要。

3.Safety protocols are crucial when working with cryogenic propellant due to its extremely low temperatures.

由于低温推进剂的极低温度，安全协议在处理时至关重要。

4.NASA's new launch system relies on cryogenic propellant to maximize thrust and minimize weight.

NASA的新发射系统依赖于低温推进剂来最大化推力并最小化重量。

5.Engineers must carefully handle cryogenic propellant to prevent any accidents during the launch process.

工程师必须小心处理低温推进剂以防止在发射过程中发生任何事故。

作文

Cryogenic propellants are essential components in the aerospace industry, particularly in the field of rocket propulsion. These substances are kept at extremely low temperatures, typically below -150 degrees Celsius, to maintain their liquid state. The use of cryogenic propellant (低温推进剂) allows for a higher density fuel, which translates into more efficient energy release during combustion. This efficiency is crucial for launching payloads into space, as it reduces the overall mass and volume of the fuel needed for a mission.The most common types of cryogenic propellant (低温推进剂) include liquid hydrogen (LH2) and liquid oxygen (LOX). When combined, these two elements create a powerful reaction that produces thrust. Liquid hydrogen serves as the fuel, while liquid oxygen acts as the oxidizer. This combination is not only effective but also environmentally friendly, as the byproduct of their combustion is water vapor.One of the significant advantages of using cryogenic propellant (低温推进剂) is the high specific impulse it provides. Specific impulse is a measure of how effectively a rocket uses propellant. A higher specific impulse means that a rocket can achieve greater speeds and distances with less fuel. For instance, rockets powered by cryogenic propellant (低温推进剂) can reach low Earth orbit more efficiently than those using conventional fuels.However, working with cryogenic propellant (低温推进剂) comes with its challenges. The handling and storage of these propellants require specialized equipment to ensure safety and efficiency. Due to their extremely low temperatures, cryogenic propellant (低温推进剂) can pose risks such as frostbite or explosive reactions if not managed properly. Engineers and technicians must follow strict protocols when dealing with these materials to prevent accidents.Additionally, the infrastructure needed to support cryogenic propellant (低温推进剂) operations can be costly and complex. Launch facilities must be equipped with cryogenic tanks, pipelines, and cooling systems to store and transfer the propellants safely. Despite these challenges, the benefits of using cryogenic propellant (低温推进剂) far outweigh the drawbacks, making it a preferred choice for many modern space missions.In recent years, advancements in technology have led to improvements in the efficiency and safety of cryogenic propellant (低温推进剂) systems. Research is ongoing to develop new materials and methods for better insulation and containment of these substances. As we look towards the future of space exploration, the role of cryogenic propellant (低温推进剂) will become even more critical, especially with ambitious projects like Mars colonization and deep space missions.In conclusion, cryogenic propellant (低温推进剂) plays a vital role in rocket propulsion, offering numerous advantages in terms of efficiency and environmental impact. While there are challenges associated with its use, ongoing research and technological advancements continue to enhance its application in the aerospace sector. As humanity pushes the boundaries of space exploration, understanding and mastering cryogenic propellant (低温推进剂) will be essential for future successes in reaching new frontiers.

低温推进剂是航空航天工业中不可或缺的组成部分，特别是在火箭推进领域。这些物质在极低的温度下保存，通常低于-150摄氏度，以保持其液态。使用低温推进剂（cryogenic propellant）可以实现更高密度的燃料，这意味着在燃烧过程中释放出更高效的能量。这种效率对于将有效载荷发射到太空至关重要，因为它减少了任务所需燃料的总体质量和体积。最常见的低温推进剂（cryogenic propellant）包括液氢（LH2）和液氧（LOX）。当这两种元素结合时，会产生强大的反应，产生推力。液氢作为燃料，而液氧则作为氧化剂。这种组合不仅有效，而且环保，因为它们燃烧的副产品是水蒸气。使用低温推进剂（cryogenic propellant）的一个显著优势是它提供的高比冲。比冲是衡量火箭如何有效利用推进剂的指标。比冲越高，火箭就能以更少的燃料达到更快的速度和更远的距离。例如，使用低温推进剂（cryogenic propellant）驱动的火箭能够比使用传统燃料的火箭更高效地到达低地球轨道。然而，使用低温推进剂（cryogenic propellant）也带来了挑战。这些推进剂的处理和存储需要专业设备，以确保安全和效率。由于其极低的温度，低温推进剂（cryogenic propellant）可能会带来冻伤或爆炸反应等风险，因此工程师和技术人员在处理这些材料时必须遵循严格的协议，以防止事故发生。此外，支持低温推进剂（cryogenic propellant）操作所需的基础设施可能成本高昂且复杂。发射设施必须配备低温罐、管道和冷却系统，以安全地存储和转移推进剂。尽管存在这些挑战，但使用低温推进剂（cryogenic propellant）的好处远远超过缺点，使其成为许多现代太空任务的首选。近年来，技术的进步提高了低温推进剂（cryogenic propellant）系统的效率和安全性。研究正在进行，以开发新的材料和方法，以更好地绝缘和容纳这些物质。随着我们展望太空探索的未来，低温推进剂（cryogenic propellant）的作用将变得更加关键，特别是在火星殖民和深空任务等雄心勃勃的项目中。总之，低温推进剂（cryogenic propellant）在火箭推进中发挥着至关重要的作用，在效率和环境影响方面提供了众多优势。尽管使用中存在挑战，但持续的研究和技术进步不断增强其在航空航天领域的应用。随着人类不断突破太空探索的界限，理解和掌握低温推进剂（cryogenic propellant）对于未来成功到达新边界至关重要。