combustion stroke

简明释义

燃烧行程

英英释义

例句

1.The efficiency of the combustion stroke 燃烧冲程 directly affects fuel consumption.

燃烧冲程的效率直接影响燃料消耗。

2.During the engine's cycle, the combustion stroke 燃烧冲程 is crucial for generating power.

在发动机的循环中，燃烧冲程 combustion stroke 对于产生动力至关重要。

3.In a four-stroke engine, the combustion stroke 燃烧冲程 occurs after the compression stroke.

在四冲程发动机中，燃烧冲程发生在压缩冲程之后。

4.Engine designers focus on optimizing the combustion stroke 燃烧冲程 to improve overall performance.

发动机设计师专注于优化燃烧冲程，以提高整体性能。

5.A well-timed combustion stroke 燃烧冲程 can enhance the torque output of a vehicle.

时机良好的燃烧冲程可以增强车辆的扭矩输出。

作文

The internal combustion engine is a marvel of modern engineering, powering everything from automobiles to airplanes. At the heart of this complex machine lies a fundamental process known as the combustion stroke. This term refers to a specific phase in the four-stroke cycle of an internal combustion engine where fuel and air are ignited, resulting in a rapid expansion of gases that drives the piston down the cylinder. Understanding the combustion stroke is crucial for anyone interested in how engines operate and the principles of thermodynamics that govern them.During the combustion stroke, the engine's piston is at the top of its travel, having completed the compression stroke. At this point, a mixture of fuel and air is compressed within the cylinder, increasing its temperature and pressure. When the piston reaches its highest point, a spark plug ignites the compressed mixture, leading to a rapid combustion reaction. This reaction generates a significant amount of heat and expands the gases inside the cylinder, pushing the piston down with great force. This downward motion is what ultimately powers the vehicle or machinery.The efficiency of the combustion stroke can significantly affect the overall performance of the engine. Factors such as fuel quality, air-fuel mixture ratio, and timing of the ignition play critical roles in determining how effectively the engine converts fuel into mechanical energy. For instance, if the air-fuel mixture is too rich (too much fuel compared to air), it can lead to incomplete combustion, resulting in wasted fuel and increased emissions. Conversely, a lean mixture (too much air) can cause the engine to run hotter, potentially leading to engine knock or damage.Moreover, advancements in technology have led to the development of more efficient combustion processes. Techniques such as direct fuel injection and variable valve timing aim to optimize the combustion stroke by ensuring that the fuel-air mixture is delivered to the cylinder in the most effective manner possible. These innovations not only improve power output but also enhance fuel efficiency and reduce harmful emissions, aligning with global efforts to create more sustainable transportation solutions.In conclusion, the combustion stroke is a vital component of the internal combustion engine's operation. It represents a critical moment where chemical energy is transformed into mechanical energy, driving the pistons and ultimately powering vehicles. A deep understanding of this process allows engineers and mechanics to innovate and improve engine designs, leading to better performance and environmental sustainability. As we continue to explore new technologies and methods for enhancing the combustion stroke, we pave the way for a future where engines are not only powerful but also cleaner and more efficient.

内燃机是现代工程的一项奇迹，驱动着从汽车到飞机的各种交通工具。在这台复杂机器的核心，存在一个基本过程，称为燃烧行程。这个术语指的是内燃机四冲程循环中的一个特定阶段，在这个阶段，燃料和空气被点燃，导致气体迅速膨胀，从而推动活塞在气缸中向下移动。理解燃烧行程对于任何对发动机运作及其所遵循的热力学原理感兴趣的人来说都是至关重要的。在燃烧行程期间，发动机的活塞处于行程的顶部，完成了压缩行程。此时，燃料和空气的混合物在气缸内被压缩，提高了温度和压力。当活塞达到最高点时，火花塞点燃压缩的混合物，导致快速的燃烧反应。这个反应产生大量热量并扩展气体，强力推动活塞向下运动。这种向下的运动最终驱动着车辆或机械。燃烧行程的效率可以显著影响发动机的整体性能。燃料质量、空气-燃料混合比和点火时机等因素在决定发动机将燃料转化为机械能的有效性方面起着关键作用。例如，如果空气-燃料混合物过于浓稠（相对于空气而言燃料过多），可能会导致燃烧不完全，从而浪费燃料并增加排放。相反，过于稀薄的混合物（空气过多）可能导致发动机运行过热，潜在地引发发动机敲击或损坏。此外，技术的进步使得更高效的燃烧过程得以发展。诸如直接燃油喷射和可变气门正时等技术旨在通过确保燃料-空气混合物以最有效的方式送入气缸来优化燃烧行程。这些创新不仅提高了功率输出，还增强了燃油效率并减少有害排放，与全球创造更可持续交通解决方案的努力保持一致。总之，燃烧行程是内燃机运作的重要组成部分。它代表了化学能转化为机械能的关键时刻，推动活塞并最终驱动车辆。对这一过程的深入理解使工程师和机械师能够创新和改进发动机设计，从而实现更好的性能和环境可持续性。随着我们继续探索新技术和改进燃烧行程的方法，我们为一个未来铺平了道路，在这个未来，发动机不仅强大，而且更加清洁和高效。