stroke of piston

简明释义

活塞行程

英英释义

例句

1.In this model, the stroke of piston is designed to optimize fuel efficiency.

在这个模型中，活塞的行程旨在优化燃油效率。

2.The mechanic explained that a longer stroke of piston can increase the engine's torque.

机械师解释说，更长的活塞行程可以增加发动机的扭矩。

3.Adjusting the stroke of piston can lead to significant performance improvements in racing engines.

调整活塞的行程可以显著提高赛车发动机的性能。

4.The engine's efficiency is largely determined by the length of the stroke of piston.

发动机的效率在很大程度上取决于活塞的行程。

5.During each stroke of piston, the fuel mixture is compressed for better combustion.

在每个活塞的行程中，燃料混合物被压缩以实现更好的燃烧。

作文

The internal combustion engine is a fascinating piece of machinery that powers many of the vehicles we use today. One of the key components of this engine is the piston, which plays a critical role in converting fuel into motion. The movement of the piston is essential for the engine's functionality, and this movement is often referred to as the stroke of piston. This term describes the distance that the piston travels within the cylinder during one complete cycle of operation. Understanding the stroke of piston is crucial for anyone interested in automotive engineering or mechanics, as it directly affects the engine's power output and efficiency.When the engine operates, the stroke of piston occurs in two main phases: the intake stroke and the power stroke. During the intake stroke, the piston moves down the cylinder, creating a vacuum that draws in the air-fuel mixture. This is followed by the compression stroke, where the piston moves back up, compressing the mixture before ignition. After the fuel ignites, the explosion forces the piston back down in what is known as the power stroke. Finally, the piston returns to its original position during the exhaust stroke, expelling the burnt gases from the cylinder. Each of these strokes is vital for the engine's overall performance, and they collectively determine how effectively the engine converts fuel into mechanical energy.The length of the stroke of piston can vary significantly between different engines. For instance, in high-performance racing engines, a longer stroke can lead to greater torque, while in high-revving sports cars, a shorter stroke is often preferred for higher RPMs. Engineers must carefully consider the design of the piston and its stroke to achieve the desired balance between power and efficiency. Additionally, the stroke length impacts the engine's displacement, which is a critical factor in determining the vehicle's performance characteristics.Moreover, the stroke of piston is also linked to the engine's thermal efficiency. A well-designed stroke can help optimize combustion, leading to better fuel economy and reduced emissions. This is increasingly important in today's automotive industry, where environmental regulations are becoming more stringent. Engineers are continually researching ways to improve the design and materials used in pistons to enhance their performance and longevity.In conclusion, the stroke of piston is a fundamental concept in understanding how internal combustion engines work. It encompasses the various movements of the piston within the cylinder and plays a significant role in determining the engine's efficiency, power output, and overall performance. As technology advances, the importance of optimizing the stroke of piston will only grow, making it an exciting area of study for future engineers and automotive enthusiasts alike.

内燃机是驱动我们今天使用的许多车辆的迷人机械装置。这个发动机的一个关键组成部分是活塞，它在将燃料转化为运动中发挥着至关重要的作用。活塞的运动对于发动机的功能至关重要，这种运动通常被称为活塞行程。这个术语描述了活塞在一个完整工作周期中在气缸内移动的距离。理解活塞行程对于任何对汽车工程或机械感兴趣的人来说都是至关重要的，因为它直接影响发动机的功率输出和效率。当发动机运转时，活塞行程发生在两个主要阶段：进气行程和动力行程。在进气行程中，活塞向下移动气缸，产生真空，吸入空气-燃料混合物。接下来是压缩行程，活塞向上移动，压缩混合物，然后点燃。燃料点燃后，爆炸力迫使活塞向下移动，这被称为动力行程。最后，活塞在排气行程中返回到原始位置，排出气缸中的废气。这些行程中的每一个对发动机的整体性能至关重要，它们共同决定了发动机将燃料转化为机械能的有效性。活塞行程的长度在不同发动机之间可以有显著差异。例如，在高性能赛车发动机中，较长的行程可以导致更大的扭矩，而在高转速运动汽车中，通常更喜欢较短的行程以获得更高的转速。工程师必须仔细考虑活塞及其行程的设计，以实现功率和效率之间的理想平衡。此外，行程长度还会影响发动机的排量，这是决定车辆性能特征的关键因素。此外，活塞行程还与发动机的热效率相关。设计良好的行程可以帮助优化燃烧，从而提高燃油经济性并减少排放。在当今汽车工业中，这一点越来越重要，因为环境法规变得越来越严格。工程师们不断研究改进活塞的设计和材料，以增强其性能和耐用性。总之，活塞行程是理解内燃机工作原理的基本概念。它涵盖了活塞在气缸内的各种运动，并在决定发动机的效率、功率输出和整体性能方面发挥着重要作用。随着技术的进步，优化活塞行程的重要性只会增加，使其成为未来工程师和汽车爱好者研究的激动人心的领域。