intake stroke

简明释义

吸入冲程

英英释义

例句

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

在四冲程发动机中，进气行程是循环的第一阶段。

2.An issue during the intake stroke can lead to misfires in the engine.

在进气行程期间出现问题可能导致发动机失火。

3.During the engine's intake stroke, air and fuel are drawn into the cylinder.

在发动机的进气行程中，空气和燃料被吸入气缸。

4.Proper calibration of the intake stroke can enhance overall performance.

适当校准进气行程可以提高整体性能。

5.The efficiency of an engine can be greatly affected by the timing of the intake stroke.

发动机的效率可能会受到进气行程时机的很大影响。

作文

The functioning of an internal combustion engine is a marvel of engineering that has revolutionized transportation and machinery. One of the critical phases in the engine cycle is known as the intake stroke, which plays a vital role in ensuring that the engine operates efficiently. During the intake stroke (进气行程), the engine's piston moves downwards in the cylinder, creating a vacuum that allows air and fuel to be drawn into the combustion chamber. This process is essential because it prepares the mixture needed for combustion, which ultimately powers the engine. To understand the importance of the intake stroke (进气行程), we must first look at the overall four-stroke cycle of an internal combustion engine: intake, compression, power, and exhaust. Each of these strokes has its specific function, but without the intake stroke (进气行程), the subsequent strokes would not have the necessary fuel-air mixture to ignite and produce energy.During the intake stroke (进气行程), the intake valve opens, allowing the air-fuel mixture to enter the cylinder. The design of the engine and the timing of the valve openings are critical factors that influence how effectively this process occurs. If the intake stroke (进气行程) is not executed properly, it can lead to poor engine performance, increased emissions, and reduced fuel efficiency. Engineers often use various technologies, such as variable valve timing, to optimize the timing and duration of the intake stroke (进气行程) for different driving conditions.Moreover, the characteristics of the air-fuel mixture being drawn in during the intake stroke (进气行程) can significantly affect engine performance. For instance, using a richer fuel mixture can enhance power output, while a leaner mixture can improve fuel efficiency. However, achieving the right balance is crucial, as too much fuel can lead to incomplete combustion, resulting in higher emissions and potential engine damage.In modern engines, the intake stroke (进气行程) is often monitored and controlled by sophisticated electronic systems. These systems can adjust the amount of fuel injected and the timing of the intake valve opening to adapt to changing driving conditions, such as acceleration or cruising. This level of control helps maximize the engine's efficiency and performance, showcasing the advancements in automotive technology.In conclusion, the intake stroke (进气行程) is a fundamental aspect of the internal combustion engine's operation. It sets the stage for the entire combustion process, influencing the engine's performance, efficiency, and emissions. Understanding the mechanics behind the intake stroke (进气行程) not only highlights the complexity of engine design but also underscores the importance of continuous innovation in the automotive industry. As we move towards more sustainable and efficient transportation solutions, optimizing the intake stroke (进气行程) will remain a key focus for engineers and manufacturers alike.

内燃机的运作是工程学的奇迹，彻底改变了交通和机械。发动机周期中的一个关键阶段被称为进气行程，它在确保发动机高效运转方面发挥着重要作用。在进气行程中，发动机的活塞在气缸中向下移动，产生真空，从而使空气和燃料被吸入燃烧室。这个过程至关重要，因为它为燃烧准备了所需的混合物，最终推动发动机运转。要理解进气行程的重要性，我们必须首先了解内燃机的整体四冲程循环：进气、压缩、动力和排气。这每个行程都有其特定功能，但如果没有进气行程，后续的行程将没有必要的燃料-空气混合物来点燃并产生能量。在进气行程中，进气阀打开，允许空气-燃料混合物进入气缸。发动机的设计和阀门开启的时机是影响这一过程有效执行的关键因素。如果进气行程没有正确执行，会导致发动机性能下降、排放增加和燃油效率降低。工程师们通常使用各种技术，如可变气门正时，以优化不同驾驶条件下的进气行程的时机和持续时间。此外，在进气行程中被吸入的空气-燃料混合物的特性可以显著影响发动机性能。例如，使用较浓的燃料混合物可以增强功率输出，而较稀的混合物则可以提高燃油效率。然而，达到正确的平衡至关重要，因为过多的燃料可能导致燃烧不完全，从而导致更高的排放和潜在的发动机损坏。在现代发动机中，进气行程通常由复杂的电子系统监控和控制。这些系统可以根据加速或巡航等变化的驾驶条件调整喷油量和进气阀开启的时机。这种控制水平有助于最大限度地提高发动机的效率和性能，展示了汽车技术的进步。总之，进气行程是内燃机运作的基本方面。它为整个燃烧过程奠定了基础，影响着发动机的性能、效率和排放。理解进气行程背后的机制不仅突显了发动机设计的复杂性，也强调了汽车工业持续创新的重要性。随着我们朝着更可持续和高效的交通解决方案迈进，优化进气行程将始终是工程师和制造商关注的重点。