propulsive gas

简明释义

推进气

英英释义

例句

1.During testing, engineers measured the temperature of the propulsive gas exiting the nozzle.

在测试过程中，工程师测量了从喷嘴排出的推进气体的温度。

2.The design of the engine maximizes the thrust produced by the propulsive gas.

发动机的设计最大限度地提高了由推进气体产生的推力。

3.In a jet engine, the propulsive gas is generated by burning fuel.

在喷气发动机中，燃烧燃料产生了推进气体。

4.The efficiency of a spacecraft depends on the velocity of the propulsive gas it produces.

航天器的效率取决于它产生的推进气体的速度。

5.The rocket's engine expelled the propulsive gas to achieve lift-off.

火箭的引擎排出了推进气体以实现起飞。

作文

In the realm of aerospace engineering, understanding the principles of propulsion is crucial for the design and operation of various aircraft and spacecraft. One of the key components in this field is the concept of propulsive gas, which refers to the high-velocity gases produced during the combustion process in rocket engines or jet engines. These gases are expelled at great speeds to generate thrust, enabling vehicles to move forward. The efficiency of a propulsion system largely depends on how effectively it can convert fuel into propulsive gas and utilize this gas to propel the vehicle. The process begins with the combustion of fuel, which produces heat and pressure within the engine. This reaction generates a significant amount of energy that transforms the fuel into propulsive gas. The characteristics of this gas, such as temperature, pressure, and velocity, play a pivotal role in determining the performance of the engine. For instance, in rocket engines, the propulsive gas must reach extremely high temperatures to achieve the necessary thrust to escape Earth's gravitational pull. Moreover, the design of the nozzle through which the propulsive gas exits is critical. A well-designed nozzle can help accelerate the gas to supersonic speeds, maximizing the thrust produced. Engineers often use computational fluid dynamics (CFD) simulations to optimize nozzle designs for different missions, ensuring that the propulsive gas is shaped and directed in a way that enhances overall efficiency. In addition to traditional rocket and jet engines, the concept of propulsive gas is also relevant in emerging technologies, such as electric propulsion systems. While these systems do not rely on combustion, they still generate thrust by expelling ions or plasma at high velocities, creating their own form of propulsive gas. This innovation highlights the ongoing evolution of propulsion technology and the importance of understanding how propulsive gas functions across different systems. Furthermore, the environmental impact of propulsive gas should not be overlooked. Traditional propulsion systems often produce greenhouse gases and other pollutants, raising concerns about their sustainability. As a result, researchers are exploring alternative fuels and more efficient combustion processes to reduce the ecological footprint of propulsive gas emissions. This shift towards greener technologies reflects a growing awareness of the need to balance technological advancement with environmental stewardship. In conclusion, the concept of propulsive gas is fundamental to the field of propulsion, influencing the design and efficiency of various engines used in aviation and space exploration. Understanding how propulsive gas is generated, controlled, and utilized is essential for engineers seeking to innovate and improve propulsion systems. As the industry continues to evolve, the focus on sustainable practices and alternative propulsion methods will shape the future of aerospace engineering, ensuring that the benefits of flight are enjoyed without compromising the health of our planet.

在航空航天工程领域，理解推进原理对于各种飞机和航天器的设计与操作至关重要。这个领域的一个关键组成部分是推进气体的概念，它指的是在火箭发动机或喷气发动机的燃烧过程中产生的高速气体。这些气体以极高的速度被排出，以产生推力，使得飞行器能够向前移动。推进系统的效率在很大程度上取决于它如何有效地将燃料转化为推进气体并利用这些气体来推动飞行器。这一过程始于燃料的燃烧，这会在发动机内部产生热量和压力。这一反应产生了大量的能量，将燃料转化为推进气体。这种气体的特性，如温度、压力和速度，在决定发动机性能方面起着关键作用。例如，在火箭发动机中，推进气体必须达到极高的温度，以实现逃离地球引力所需的推力。此外，喷嘴的设计也至关重要，喷嘴是推进气体排出的地方。设计良好的喷嘴可以帮助加速气体达到超音速，从而最大限度地提高产生的推力。工程师们常常使用计算流体动力学（CFD）模拟来优化不同任务的喷嘴设计，确保推进气体以一种增强整体效率的方式被塑造和引导。除了传统的火箭和喷气发动机外，推进气体的概念在新兴技术中也具有相关性，例如电推进系统。虽然这些系统不依赖于燃烧，但它们仍然通过以高速度排放离子或等离子体来产生推力，创造出自己的推进气体形式。这一创新突显了推进技术的持续演变，以及理解推进气体在不同系统中的功能的重要性。此外，推进气体的环境影响也不容忽视。传统的推进系统往往会产生温室气体和其他污染物，引发了对其可持续性的担忧。因此，研究人员正在探索替代燃料和更高效的燃烧过程，以减少推进气体排放的生态足迹。这种向更环保技术的转变反映了人们日益意识到需要在技术进步与环境保护之间取得平衡。总之，推进气体的概念对于推进领域至关重要，影响着航空和太空探索中各种发动机的设计和效率。理解推进气体如何生成、控制和利用，对于寻求创新和改进推进系统的工程师来说是必不可少的。随着行业的不断发展，对可持续实践和替代推进方法的关注将塑造航空航天工程的未来，确保飞行的好处在不损害我们星球健康的情况下得到享受。