propulsive machinery

简明释义

推进装置

英英释义

例句

1.The spacecraft's propulsive machinery 推进机械 was tested extensively before the launch.

航天器的推进机械在发射前经过了广泛的测试。

2.The propulsive machinery 推进机械 of the new jet engine allows for faster travel times.

新型喷气发动机的推进机械使得旅行时间更快。

3.The engineers designed a new type of propulsive machinery 推进机械 that increases fuel efficiency.

工程师们设计了一种新型的推进机械，推进机械提高了燃油效率。

4.Innovations in propulsive machinery 推进机械 are crucial for the future of marine transportation.

在推进机械方面的创新对于未来的海洋运输至关重要。

5.Research on propulsive machinery 推进机械 has led to significant advancements in aerospace technology.

对推进机械的研究在航空航天技术上取得了重大进展。

作文

In the realm of engineering and technology, the term propulsive machinery refers to the systems and devices that generate thrust or movement. This concept is crucial in various fields, especially in aerospace and marine engineering, where the efficiency and effectiveness of propulsion systems can significantly impact performance. Understanding propulsive machinery involves examining the principles of physics that govern motion and the design of engines or motors that convert energy into movement.For instance, in aviation, aircraft rely on propulsive machinery such as jet engines or propellers to achieve flight. The mechanics behind these systems are fascinating. Jet engines operate on the principle of Newton's third law of motion: for every action, there is an equal and opposite reaction. When fuel combusts in the engine, it produces high-speed exhaust gases that are expelled backward, propelling the aircraft forward. This intricate relationship between energy conversion and motion exemplifies the significance of propulsive machinery in achieving flight.Similarly, in marine engineering, ships utilize propulsive machinery like diesel engines or turbines to navigate through water. The design of these systems must account for various factors, including the resistance of water, weight of the vessel, and desired speed. Engineers constantly strive to enhance the efficiency of propulsive machinery to reduce fuel consumption and minimize environmental impact. Innovations such as hybrid engines and alternative fuels are becoming increasingly popular in this field, showcasing the evolving nature of propulsion technology.Moreover, the concept of propulsive machinery extends beyond traditional vehicles. In recent years, scientists have explored propulsion systems for space exploration. Rockets, which are a form of propulsive machinery, operate on different principles compared to aircraft. They rely on the expulsion of mass at high velocity to create thrust in the vacuum of space, where traditional aerodynamic principles do not apply. Understanding the mechanics of rocket propulsion is essential for advancements in space travel and exploration.The study of propulsive machinery also encompasses the environmental implications of propulsion technologies. As the world faces climate change and the need for sustainable practices, engineers are tasked with developing greener alternatives to traditional propulsion systems. Electric and hybrid propulsion technologies are gaining traction, offering cleaner options for both air and sea travel. This shift towards sustainability highlights the importance of innovation in propulsive machinery, as engineers seek to balance performance with environmental responsibility.In conclusion, propulsive machinery plays a pivotal role in the advancement of transportation technologies across various domains. From aviation to marine engineering and even space exploration, understanding the principles and innovations behind propulsion systems is essential for engineers and scientists alike. As we move towards a more sustainable future, the evolution of propulsive machinery will continue to shape the way we travel and explore our world, making it a critical area of study and development in engineering disciplines.

在工程和技术领域，术语propulsive machinery指的是产生推力或运动的系统和设备。这个概念在各个领域都至关重要，尤其是在航空航天和海洋工程中，推进系统的效率和有效性可以显著影响性能。理解propulsive machinery涉及到研究支配运动的物理原理以及将能量转化为运动的引擎或马达的设计。例如，在航空领域，飞机依赖于如喷气发动机或螺旋桨等propulsive machinery来实现飞行。这些系统背后的机械原理非常迷人。喷气发动机基于牛顿第三运动定律：每一个作用都有一个相等且相反的反作用。当燃料在发动机中燃烧时，会产生高速的废气向后排放，从而推动飞机向前。这种能量转化与运动之间的复杂关系充分体现了propulsive machinery在实现飞行中的重要性。同样，在海洋工程中，船舶利用如柴油发动机或涡轮机等propulsive machinery在水中航行。这些系统的设计必须考虑多种因素，包括水的阻力、船体的重量和所需速度。工程师们不断努力提高propulsive machinery的效率，以减少燃料消耗和最小化对环境的影响。混合动力发动机和替代燃料等创新在这一领域变得越来越受欢迎，展示了推进技术的不断发展。此外，propulsive machinery的概念超越了传统车辆。近年来，科学家们探索了用于太空探索的推进系统。火箭作为一种propulsive machinery，其操作原理与飞机不同。它们依靠以高速度排放质量在真空中产生推力，而传统的空气动力学原理并不适用。理解火箭推进的机制对于太空旅行和探索的进步至关重要。对propulsive machinery的研究还包括推进技术的环境影响。随着世界面临气候变化和可持续实践的需求，工程师们被要求开发比传统推进系统更环保的替代方案。电动和混合动力推进技术正在获得越来越多的关注，为航空和海上旅行提供更清洁的选择。这一朝向可持续发展的转变突显了推进机械创新的重要性，因为工程师们寻求在性能和环境责任之间取得平衡。总之，propulsive machinery在各个领域的交通技术进步中扮演着关键角色。从航空到海洋工程，甚至太空探索，理解推进系统背后的原理和创新对工程师和科学家来说都是必不可少的。随着我们迈向更加可持续的未来，propulsive machinery的演变将继续塑造我们的旅行和探索方式，使其成为工程学科中一个关键的研究和发展领域。