propulsive engine

简明释义

推进发动机

英英释义

例句

1.The research team is testing a revolutionary propulsive engine designed for underwater exploration.

研究小组正在测试一种为水下探测设计的革命性推进引擎。

2.The propulsive engine of the yacht allowed it to glide smoothly across the water.

游艇的推进引擎使其在水面上平稳滑行。

3.In the future, we may see cars powered by a new type of propulsive engine that minimizes pollution.

未来，我们可能会看到由新型推进引擎驱动的汽车，能最大限度地减少污染。

4.Engineers are working on a propulsive engine that utilizes renewable energy sources.

工程师们正在研发一种利用可再生能源的推进引擎。

5.The new spacecraft was equipped with a highly efficient propulsive engine that could reduce travel time to Mars significantly.

这艘新航天器配备了一种高效的推进引擎，可以显著缩短前往火星的旅行时间。

作文

In the realm of technology and innovation, the concept of a propulsive engine is often discussed in various contexts. A propulsive engine refers to a mechanism that generates thrust to propel an object forward, typically used in vehicles like airplanes, rockets, and even ships. Understanding the intricacies of how a propulsive engine operates can provide insights into advancements in engineering and physics.To illustrate the significance of a propulsive engine, let us consider the example of a rocket. Rockets are fascinating machines that utilize propulsive engines to break free from Earth's gravitational pull. The basic principle behind a rocket's propulsive engine is Newton's Third Law of Motion, which states that for every action, there is an equal and opposite reaction. When a rocket expels gas out of its engines at high speed, it creates a thrust that pushes the rocket upward, allowing it to ascend into space.Modern rockets employ various types of propulsive engines, such as liquid-fueled engines and solid-fueled engines. Liquid-fueled rockets use a combination of liquid propellants that are stored in separate tanks and mixed before combustion. This allows for better control over the thrust produced. On the other hand, solid-fueled rockets contain propellant in a solid state, providing a simpler design but less flexibility in thrust control once ignited.The advancements in propulsive engine technology have not only revolutionized space exploration but have also influenced other sectors. For instance, the development of efficient propulsive engines has led to improved performance in commercial aviation. Airlines continuously seek ways to enhance fuel efficiency and reduce emissions, and innovations in propulsive engine designs play a crucial role in achieving these goals. Newer aircraft models are equipped with advanced turbofan engines that provide greater thrust while consuming less fuel, thereby minimizing their environmental impact.Moreover, the concept of a propulsive engine extends beyond traditional vehicles. In recent years, research has focused on developing electric propulsion systems for various applications, including drones and electric vehicles. Electric propulsive engines utilize electric power to generate thrust, offering a cleaner alternative to conventional engines. As the world moves towards sustainable energy solutions, the evolution of propulsive engines will be pivotal in shaping the future of transportation.In conclusion, the term propulsive engine encompasses a wide array of technologies that enable movement through the generation of thrust. Whether in the context of space exploration, aviation, or emerging electric vehicles, propulsive engines are at the heart of innovation in mobility. As we continue to explore new frontiers in engineering, the ongoing development of propulsive engines will undoubtedly lead to exciting advancements that push the boundaries of what is possible. Understanding and mastering this concept is essential for anyone interested in the fields of science and technology, as it represents the driving force behind many of our modern achievements.

在科技和创新的领域中，‘propulsive engine’这一概念常常在各种背景下被讨论。‘propulsive engine’指的是一种产生推力以推动物体向前移动的机制，通常用于飞机、火箭甚至船只等交通工具。理解‘propulsive engine’的工作原理可以为我们提供对工程学和物理学进步的深入见解。为了说明‘propulsive engine’的重要性，让我们考虑火箭的例子。火箭是一种引人入胜的机器，利用‘propulsive engine’突破地球的引力束缚。火箭的基本原理是牛顿第三运动定律，即每一个动作都有一个相等且相反的反应。当火箭以高速排出气体时，它产生的推力将火箭向上推，使其能够升入太空。现代火箭采用多种类型的‘propulsive engine’，例如液体燃料发动机和固体燃料发动机。液体燃料火箭使用储存在不同油箱中的液体推进剂，并在燃烧前混合。这使得推力的控制更为灵活。另一方面，固体燃料火箭则将推进剂以固态形式存储，虽然设计更为简单，但一旦点火后在推力控制上缺乏灵活性。‘propulsive engine’技术的进步不仅彻底改变了空间探索，还影响了其他领域。例如，提高高效的‘propulsive engine’的开发促进了商业航空的性能提升。航空公司不断寻求提高燃油效率和降低排放的方法，而‘propulsive engine’设计的创新在实现这些目标方面起着至关重要的作用。更新的飞机型号配备了先进的涡扇发动机，这些发动机在消耗更少燃料的同时提供更大的推力，从而减少了对环境的影响。此外，‘propulsive engine’的概念不仅限于传统交通工具。近年来，研究集中在为各种应用开发电动推进系统，包括无人机和电动车。电动‘propulsive engine’利用电力产生推力，提供了一种比传统发动机更清洁的替代方案。随着世界朝着可持续能源解决方案迈进，‘propulsive engine’的演变将对塑造未来交通产生关键影响。总之，‘propulsive engine’这一术语涵盖了通过产生推力来实现运动的各种技术。无论是在空间探索、航空旅行还是新兴的电动车辆的背景下，‘propulsive engine’都是移动创新的核心。随着我们继续探索工程学的新前沿，‘propulsive engine’的持续发展无疑会带来激动人心的进步，推动我们可能性的边界。理解和掌握这一概念对于任何对科学和技术感兴趣的人来说都是至关重要的，因为它代表了我们现代成就背后的驱动力。