reaction thrust

简明释义

反推力

英英释义

例句

1.Understanding reaction thrust 反作用推力 helps engineers design more efficient propulsion systems.

理解反作用推力 reaction thrust有助于工程师设计更高效的推进系统。

2.The rocket generates a significant amount of reaction thrust 反作用推力 to lift off from the launch pad.

火箭产生大量的反作用推力 reaction thrust以从发射台起飞。

3.Engineers calculated the reaction thrust 反作用推力 needed to achieve orbit.

工程师计算了达到轨道所需的反作用推力 reaction thrust。

4.The shuttle's engines produce reaction thrust 反作用推力 to counteract gravitational forces.

航天飞机的发动机产生反作用推力 reaction thrust以抵消重力。

5.In space, the reaction thrust 反作用推力 is crucial for maneuvering spacecraft.

在太空中，反作用推力 reaction thrust对航天器的机动至关重要。

作文

In the world of physics and engineering, particularly in the field of aerospace, the concept of reaction thrust plays a crucial role. Understanding this principle is essential for anyone involved in the design and operation of rockets and jet engines. Simply put, reaction thrust refers to the force that propels an object in the opposite direction of the expelled mass. This principle is derived from Newton's Third Law of Motion, which states that for every action, there is an equal and opposite reaction. When a rocket engine ignites, it burns fuel and expels hot gases at high speed out of the nozzle. The action of these gases being expelled downwards creates an equal and opposite force that pushes the rocket upwards. This upward force is what we call reaction thrust, and it is vital for overcoming the gravitational pull of the Earth. Without sufficient reaction thrust, a rocket would not be able to lift off the ground. To illustrate this concept further, let's consider a simple example. Imagine a balloon filled with air. When you release the balloon without tying it, the air rushes out one end, causing the balloon to fly in the opposite direction. This is a practical demonstration of reaction thrust. The air escaping from the balloon is the action, and the movement of the balloon in the opposite direction is the reaction. The amount of reaction thrust generated by a rocket engine depends on several factors, including the mass flow rate of the exhaust gases and the velocity at which they are expelled. Engineers meticulously calculate these parameters to ensure that a rocket can achieve the desired trajectory and reach its intended destination. Moreover, reaction thrust is not only applicable to rockets but also to jet engines used in airplanes. Jet engines operate on the same principle, where air is compressed, mixed with fuel, and ignited. The resulting high-speed exhaust gases are expelled out of the back of the engine, creating reaction thrust that propels the aircraft forward. Understanding reaction thrust is essential for advancements in aerospace technology. As engineers strive to create more efficient and powerful propulsion systems, they must continue to explore the intricacies of this phenomenon. Innovations such as reusable rockets and electric propulsion systems rely heavily on the principles of reaction thrust to optimize performance and reduce costs. In conclusion, the concept of reaction thrust is fundamental to the field of aerospace engineering. It is the driving force behind the launch of rockets and the operation of jet engines. By understanding this principle, we can appreciate the complexities of flight and the remarkable achievements of modern technology. As we look to the future, the ongoing study and application of reaction thrust will undoubtedly lead to even greater advancements in space exploration and aviation. Overall, mastering the concept of reaction thrust is not just important for engineers and scientists; it is a fascinating aspect of physics that highlights the interconnectedness of forces and motion in our universe.

在物理和工程的世界中，特别是在航空航天领域，反作用推力的概念起着关键作用。理解这一原理对任何参与火箭和喷气发动机设计与操作的人来说都是至关重要的。简单来说，反作用推力是指推动物体朝相反方向移动的力量，这是由于排出的质量所产生的。这一原理源于牛顿第三运动定律，该定律指出：每个作用都有一个相等且相反的反作用。当火箭发动机点燃时，它会燃烧燃料，并以高速将热气体从喷嘴排出。这些气体向下排出的作用产生了一个相等且相反的力，推动火箭向上。这种向上的力量就是我们所称的反作用推力，它对于克服地球的引力至关重要。如果没有足够的反作用推力，火箭将无法离开地面。为了进一步说明这一概念，让我们考虑一个简单的例子。想象一下一个充满空气的气球。当你放开没有系住的气球时，空气快速从一端涌出，导致气球朝相反的方向飞去。这是反作用推力的实际演示。气球中逃逸的空气是作用，而气球朝相反方向的运动就是反应。火箭发动机产生的反作用推力的大小取决于多个因素，包括废气的质量流量和它们被排出的速度。工程师们仔细计算这些参数，以确保火箭能够达到预期的轨迹并到达目标地点。此外，反作用推力不仅适用于火箭，还适用于飞机使用的喷气发动机。喷气发动机同样基于相同的原理，空气被压缩，与燃料混合后点燃。产生的高速废气从发动机的后部排出，产生了推动飞机前进的反作用推力。理解反作用推力对航空航天技术的进步至关重要。随着工程师们努力创造更高效、更强大的推进系统，他们必须继续探索这一现象的复杂性。诸如可重复使用火箭和电推进系统等创新在很大程度上依赖于反作用推力的原理，以优化性能和降低成本。总之，反作用推力的概念是航空航天工程领域的基础。它是火箭发射和喷气发动机运行的驱动力。通过理解这一原理，我们可以欣赏飞行的复杂性和现代技术的卓越成就。展望未来，对反作用推力的持续研究和应用无疑将导致太空探索和航空领域的更大进步。总体而言，掌握反作用推力的概念不仅对工程师和科学家重要；它也是物理学的一个迷人方面，突显了我们宇宙中力和运动的相互联系。