induction stroke

简明释义

吸入冲程

英英释义

例句

1.In a four-stroke engine, the induction stroke is the first phase of the cycle.

在四冲程发动机中，进气冲程是循环的第一阶段。

2.Proper tuning of the engine can optimize the induction stroke for maximum performance.

适当的发动机调校可以优化进气冲程以实现最佳性能。

3.During the engine's induction stroke, air and fuel mix in the cylinder.

在发动机的进气冲程中，空气和燃料在气缸内混合。

4.The efficiency of an engine can be affected by how well the induction stroke is performed.

发动机的效率可能会受到进气冲程执行效果的影响。

5.A longer induction stroke can lead to better fuel intake.

更长的进气冲程可以提高燃料的吸入量。

作文

The operation of an internal combustion engine is a complex process involving several stages, one of which is the induction stroke. During this crucial phase, the engine draws in air or a mixture of air and fuel into the combustion chamber. This process is vital for the engine's efficiency and performance. Understanding the induction stroke can help us appreciate how engines work and the importance of each component in the cycle.To begin with, the induction stroke occurs when the piston moves down the cylinder. As the piston descends, it creates a vacuum that allows the air-fuel mixture to enter the combustion chamber. This movement is initiated by the crankshaft's rotation, which is driven by the energy generated from previous strokes. The timing of the induction stroke is critical; it must align perfectly with the opening of the intake valves to ensure that the maximum amount of air or fuel enters the chamber.Moreover, the efficiency of the induction stroke can significantly affect an engine's performance. If the engine draws in too much air without enough fuel, it may run lean, leading to overheating and potential damage. Conversely, if there is too much fuel, the engine may run rich, resulting in poor combustion and increased emissions. Therefore, tuning the engine to achieve the right balance during the induction stroke is essential for optimal operation.In modern engines, various technologies are employed to enhance the induction stroke. For instance, turbochargers compress the incoming air, allowing more air to enter the combustion chamber than would be possible under normal atmospheric conditions. This increases the engine's power output without significantly increasing its size. Additionally, variable valve timing systems can adjust the timing of the intake valves, optimizing the induction stroke for different engine speeds and loads.Furthermore, the design of the intake manifold also plays a significant role in the effectiveness of the induction stroke. A well-designed manifold ensures a smooth flow of the air-fuel mixture into the combustion chamber, minimizing turbulence and maximizing the volume of the mixture that can be inducted. Engineers often use computer simulations and flow analysis to refine these designs, ensuring that they perform optimally across a range of operating conditions.In conclusion, the induction stroke is a fundamental aspect of the internal combustion engine's operation. It is the phase where the engine prepares for combustion by drawing in the necessary air or fuel mixture. Understanding this process not only sheds light on how engines function but also highlights the importance of precision engineering in achieving high performance and efficiency. As technology continues to advance, the methods used to optimize the induction stroke will evolve, leading to even more efficient and powerful engines in the future.

内燃机的运作是一个复杂的过程，涉及多个阶段，其中之一就是进气行程。在这个关键阶段，发动机将空气或空气与燃料的混合物吸入燃烧室。这个过程对于发动机的效率和性能至关重要。理解进气行程可以帮助我们欣赏发动机的工作原理以及循环中每个组件的重要性。首先，进气行程发生在活塞向下移动气缸时。当活塞下降时，它会产生一个真空，使空气-燃料混合物进入燃烧室。这个运动是由曲轴的旋转引发的，而曲轴的旋转又是由之前的行程产生的能量驱动的。进气行程的时机至关重要；它必须与进气阀的开启完美对齐，以确保最大量的空气或燃料进入气缸。此外，进气行程的效率会显著影响发动机的性能。如果发动机吸入过多的空气而没有足够的燃料，它可能会运行偏瘦，导致过热和潜在损坏。相反，如果燃料过多，发动机可能会运行偏富，导致燃烧不完全和排放增加。因此，调校发动机以在进气行程期间实现正确的平衡对于最佳操作至关重要。在现代发动机中，采用各种技术来增强进气行程。例如，涡轮增压器压缩进入的空气，使得比正常大气条件下更多的空气能够进入燃烧室。这在不显著增加发动机体积的情况下提高了发动机的功率输出。此外，可变气门正时系统可以调整进气阀的时机，优化不同发动机转速和负载下的进气行程。此外，进气歧管的设计在进气行程的有效性中也起着重要作用。设计良好的歧管可以确保空气-燃料混合物顺利流入燃烧室，最小化湍流并最大化可进气混合物的体积。工程师们常常使用计算机模拟和流动分析来完善这些设计，以确保它们在各种工作条件下表现最佳。总之，进气行程是内燃机运作的基本方面。它是发动机通过吸入必要的空气或燃料混合物为燃烧做准备的阶段。理解这个过程不仅揭示了发动机的工作原理，还突出了精密工程在实现高性能和高效率方面的重要性。随着技术的不断进步，用于优化进气行程的方法将不断演变，未来将出现更加高效和强大的发动机。