reaction motor

简明释义

喷气发动机反作用式发动机

英英释义

例句

1.The reaction motor was designed to operate with minimal fuel consumption.

反作用力发动机的设计旨在实现最低的燃料消耗。

2.A reaction motor is essential for adjusting the trajectory of satellites.

反作用力发动机对于调整卫星轨道至关重要。

3.Astronauts rely on the reaction motor to stabilize their position during spacewalks.

宇航员依靠反作用力发动机在太空行走时稳定他们的位置。

4.The spacecraft uses a reaction motor to maneuver in space.

这艘宇宙飞船使用反作用力发动机在太空中进行机动。

5.Engineers tested the reaction motor for its efficiency in various conditions.

工程师们测试了反作用力发动机在不同条件下的效率。

作文

In the realm of engineering and aerospace technology, the term reaction motor refers to a type of propulsion system that generates thrust through the expulsion of mass. This is a crucial concept in the design of rockets and spacecraft, where the efficient conversion of fuel into kinetic energy can determine the success of a mission. A reaction motor operates on Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. When the motor expels gas or other propellant at high speed, it creates a force that propels the vehicle in the opposite direction. The basic principle behind a reaction motor is relatively straightforward: as the engine burns fuel, it produces hot gases that are expelled out of the back of the motor. The rapid expulsion of these gases results in a forward thrust that moves the spacecraft or rocket forward. This mechanism is not only vital for launching vehicles into space but also for maneuvering them once they are in orbit. For instance, the thrusters on a spacecraft are often reaction motors that allow for precise adjustments in position and orientation. One of the most common types of reaction motors is the rocket engine. Rocket engines come in various forms, including liquid and solid propulsion systems. Liquid rocket engines mix fuel and oxidizer in combustion chambers, resulting in a controlled explosion that generates thrust. In contrast, solid rocket motors contain a pre-loaded mixture of fuel and oxidizer that burns uniformly to produce thrust. Both types are essential for different phases of space missions, whether launching from Earth or performing orbital maneuvers. The efficiency of a reaction motor is often measured by its specific impulse, which indicates how effectively the engine converts fuel into thrust. Engineers continuously work to improve this efficiency, as higher specific impulse means longer missions and greater payload capacities. For example, advancements in materials and combustion technology have led to the development of more powerful and efficient reaction motors, enabling deeper space exploration. Moreover, understanding reaction motors is not limited to just aerospace applications. They are also utilized in various industrial processes, such as in jet engines and even some types of automobiles. The principles of thrust generation and reaction forces are foundational concepts in physics and engineering, making the study of reaction motors relevant across multiple fields. In conclusion, the reaction motor is a fundamental component of modern propulsion technology. Its ability to convert fuel into thrust through the principles of physics allows for the exploration of outer space and the advancement of engineering. As technology continues to evolve, the design and efficiency of reaction motors will play a pivotal role in shaping the future of transportation both on Earth and beyond. Understanding this concept is essential for anyone interested in aerospace engineering, physics, or any field that involves motion and propulsion.

在工程和航空航天技术领域，术语反应马达指的是一种通过排放质量生成推力的推进系统。这是火箭和航天器设计中的一个关键概念，其中燃料有效转化为动能的能力可以决定任务的成功。反应马达基于牛顿第三运动定律，该定律指出每个作用都有相应的反作用。当马达以高速排放气体或其他推进剂时，它会产生一个推动车辆朝相反方向移动的力。反应马达的基本原理相对简单：随着发动机燃烧燃料，它会产生热气体，这些气体从马达的后部排出。这些气体的快速排放导致前向推力，推动航天器或火箭向前移动。这一机制不仅对将飞行器发射到太空至关重要，而且对在轨道上操纵它们也非常重要。例如，航天器上的推进器通常是反应马达，允许进行精确的位置和方向调整。最常见的反应马达类型之一是火箭发动机。火箭发动机有多种形式，包括液体和固体推进系统。液体火箭发动机在燃烧室中混合燃料和氧化剂，从而产生受控爆炸，生成推力。相比之下，固体火箭发动机包含预装的燃料和氧化剂混合物，均匀燃烧以产生推力。这两种类型对于太空任务的不同阶段至关重要，无论是从地球发射还是执行轨道机动。反应马达的效率通常通过其比冲来衡量，比冲表示发动机将燃料转化为推力的有效性。工程师不断努力提高这种效率，因为更高的比冲意味着更长的任务和更大的有效载荷能力。例如，材料和燃烧技术的进步导致了更强大和更高效的反应马达的发展，使得更深入的太空探索成为可能。此外，理解反应马达并不限于航空航天应用。它们还被用于各种工业过程，例如喷气发动机甚至某些类型的汽车。推力生成和反应力的原理是物理学和工程学的基础概念，使得对反应马达的研究在多个领域都具有相关性。总之，反应马达是现代推进技术的基本组成部分。它通过物理原理将燃料转化为推力，使得外太空探索和工程进步成为可能。随着技术的不断发展，反应马达的设计和效率将在塑造地球及其以外的未来交通方面发挥关键作用。理解这一概念对任何对航空航天工程、物理学或涉及运动和推进的领域感兴趣的人来说都是必不可少的。