propulsive jet

简明释义

推进射流

英英释义

例句

1.The rocket's engine produced a powerful propulsive jet that propelled it into space.

火箭的引擎产生了强大的推进喷流，将其推向太空。

2.The propulsive jet created by the plane's engines allows it to take off smoothly.

飞机引擎产生的推进喷流使其能够平稳起飞。

3.In the experiment, we measured the speed of the propulsive jet from the nozzle.

在实验中，我们测量了喷嘴产生的推进喷流的速度。

4.The submarine uses a propulsive jet to move silently through the water.

这艘潜艇利用推进喷流在水中悄无声息地移动。

5.Engineers are studying how to optimize the propulsive jet for better fuel efficiency.

工程师们正在研究如何优化推进喷流以提高燃油效率。

作文

In the fascinating world of physics and engineering, the concept of a propulsive jet is pivotal for understanding the mechanics behind various forms of transportation, particularly in aviation and space exploration. A propulsive jet refers to a stream of fluid or gas that is expelled at high velocity from a nozzle, creating thrust that propels an object forward. This principle is grounded in Newton's Third Law of Motion, which states that for every action, there is an equal and opposite reaction. When a jet engine expels exhaust gases, it generates a force that pushes the aircraft in the opposite direction, allowing it to soar through the skies.The applications of propulsive jets are abundant and varied. In commercial aviation, jet engines utilize this principle to achieve the necessary lift and speed for flight. The design of these engines incorporates advanced technology to maximize efficiency and minimize fuel consumption. Engineers meticulously calculate the optimal shape and size of the nozzle to ensure that the propulsive jet is directed in a way that maximizes thrust while adhering to safety regulations.In addition to aviation, propulsive jets play a crucial role in space travel. Rockets operate on the same fundamental principle, where the combustion of fuel creates a high-pressure gas that is expelled through a nozzle at incredible speeds. This propulsive jet enables rockets to escape Earth's gravitational pull and venture into outer space. The challenges faced in rocket design, such as achieving the right balance between weight and thrust, highlight the importance of understanding propulsive jets in aerospace engineering.Moreover, the study of propulsive jets extends beyond traditional transportation methods. In recent years, researchers have explored innovative applications, such as using propulsive jets for underwater propulsion systems. Submarines and underwater drones can harness the power of jets to navigate through water efficiently, showcasing the versatility of this concept across different environments.The environmental implications of propulsive jets cannot be overlooked either. As the world becomes increasingly aware of climate change and its impacts, there is a growing emphasis on developing greener technologies. Engineers are now tasked with designing propulsive jets that not only provide the necessary thrust but also reduce emissions and noise pollution. This has led to the exploration of alternative fuels and innovative engine designs that aim to minimize the ecological footprint of air travel.In conclusion, the concept of a propulsive jet is integral to our understanding of motion and propulsion in various fields. From commercial aviation to space exploration and even underwater navigation, the principles behind propulsive jets continue to shape the future of transportation. As technology advances, the challenge remains to harness the power of these jets in a way that is both efficient and environmentally responsible, paving the way for a sustainable future in travel and exploration.

在物理和工程的迷人世界中，推进喷流的概念对于理解各种交通工具的机械原理至关重要，特别是在航空和太空探索方面。推进喷流指的是从喷嘴以高速度排出的流体或气体流，产生推动物体向前的推力。这个原理基于牛顿第三运动定律，即每一个作用都有一个相等且相反的反作用。当喷气发动机排放废气时，它产生一种力量，推动飞机朝着相反的方向飞行，使其能够在天空中翱翔。推进喷流的应用丰富多样。在商业航空中，喷气发动机利用这一原理实现飞行所需的升力和速度。这些发动机的设计结合了先进技术，以最大化效率并最小化燃料消耗。工程师们仔细计算喷嘴的最佳形状和尺寸，以确保推进喷流朝着最大化推力的方向引导，同时遵循安全规定。除了航空，推进喷流在太空旅行中也发挥着至关重要的作用。火箭基于相同的基本原理，燃料的燃烧产生高压气体，通过喷嘴以惊人的速度排出。这一推进喷流使火箭能够逃离地球的引力，进入外太空。火箭设计面临的挑战，如在重量和推力之间达到正确的平衡，突显了在航空航天工程中理解推进喷流的重要性。此外，对推进喷流的研究还延伸到传统交通方式之外。近年来，研究人员探讨了创新应用，例如使用推进喷流进行水下推进系统。潜艇和水下无人机可以利用喷流的力量高效地在水中导航，展示了这一概念在不同环境中的多样性。推进喷流的环境影响也不可忽视。随着全球对气候变化及其影响的日益关注，越来越强调开发更环保的技术。工程师们现在的任务是设计不仅提供必要推力而且减少排放和噪音污染的推进喷流。这导致了对替代燃料和创新发动机设计的探索，旨在最小化航空旅行的生态足迹。总之，推进喷流的概念对于我们理解各个领域的运动和推进至关重要。从商业航空到太空探索，甚至水下导航，推进喷流背后的原理继续塑造交通的未来。随着技术的进步，挑战依然是以高效和环保的方式利用这些喷流的力量，为可持续的旅行和探索未来铺平道路。