stroke of piston

简明释义

活塞冲程

英英释义

例句

1.A longer stroke of piston can increase the power output of the engine.

更长的活塞行程可以增加发动机的功率输出。

2.The design of the cylinder affects the stroke of piston significantly.

气缸的设计对活塞行程有显著影响。

3.The engine's efficiency depends on the length of the stroke of piston.

发动机的效率取决于活塞的行程。

4.Adjusting the stroke of piston can improve fuel efficiency.

调整活塞行程可以提高燃油效率。

5.During the test, we measured the stroke of piston to ensure optimal performance.

在测试过程中，我们测量了活塞的行程以确保最佳性能。

作文

The internal combustion engine is a marvel of engineering, and at the heart of its operation lies the concept of the stroke of piston. This term refers to the distance traveled by the piston within the cylinder during one complete cycle of the engine. Understanding the stroke of piston is crucial for anyone interested in automotive mechanics or engineering, as it directly influences the engine's power output and efficiency.In simple terms, the stroke of piston can be defined as the linear movement of the piston from the top dead center (TDC) to the bottom dead center (BDC) and back again. This motion is essential for the engine's operation, as it allows for the intake of air-fuel mixture, compression of the mixture, combustion, and exhaust of gases. The length of the stroke of piston plays a significant role in determining the engine's displacement, which is a key factor in its performance.Engines can have different stroke lengths, and this variation contributes to the overall characteristics of the engine. For instance, a longer stroke of piston generally results in greater torque production at lower RPMs, making it ideal for vehicles that require strong pulling power, such as trucks or SUVs. On the other hand, engines designed for high-speed performance, like sports cars, often have shorter strokes, allowing them to achieve higher RPMs and, consequently, more horsepower.Moreover, the stroke of piston also affects the engine's thermal efficiency. An engine with an optimal stroke length will ensure better fuel atomization and combustion, leading to improved efficiency and reduced emissions. Engineers meticulously design the stroke length to balance power, efficiency, and emissions, considering various factors such as intended use, vehicle weight, and aerodynamics.In addition to performance implications, the stroke of piston has practical considerations in engine design and manufacturing. For example, a longer stroke may necessitate a more robust engine block and stronger components to withstand the increased forces generated during operation. This can lead to higher manufacturing costs and complexity. Conversely, a shorter stroke can simplify the design but may limit the engine's capabilities.Understanding the stroke of piston is not only vital for engineers but also for car enthusiasts who wish to modify or tune their vehicles. By altering the stroke length through modifications such as changing the crankshaft or piston design, enthusiasts can tailor their engine's performance to suit specific needs, whether that be for racing, off-roading, or daily driving.In conclusion, the stroke of piston is a fundamental concept in the world of internal combustion engines. It influences everything from power and torque to efficiency and emissions. Whether you are an engineer, a mechanic, or simply a car enthusiast, grasping the significance of the stroke of piston will enhance your understanding of how engines work and how they can be optimized for various applications. As technology continues to evolve, the principles behind the stroke of piston will remain a cornerstone of automotive engineering, shaping the future of transportation.

内燃机是工程的奇迹，其运作的核心在于“活塞行程”的概念。这个术语指的是活塞在气缸内在一个完整的发动机循环中所移动的距离。理解“活塞行程”对于任何对汽车机械或工程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。简单来说，“活塞行程”可以定义为活塞从上止点（TDC）到下止点（BDC）再回来的线性运动。这种运动对发动机的运作至关重要，因为它允许进气-燃料混合物的吸入、混合物的压缩、燃烧和废气的排放。“活塞行程”的长度在决定发动机排量方面发挥着重要作用，而排量是影响性能的关键因素。发动机可以有不同的行程长度，这种变化会影响发动机的整体特性。例如，较长的“活塞行程”通常会在较低的转速下产生更大的扭矩，使其非常适合需要强大牵引力的车辆，如卡车或SUV。另一方面，设计用于高速性能的发动机，如跑车，通常具有较短的行程，从而使其能够在较高的转速下获得更多的马力。此外，“活塞行程”还影响发动机的热效率。具有最佳行程长度的发动机将确保更好的燃料雾化和燃烧，从而提高效率并减少排放。工程师们精心设计行程长度，以平衡功率、效率和排放，考虑各种因素，如预期用途、车辆重量和空气动力学。除了性能影响外，“活塞行程”在发动机设计和制造中还有实际考虑。例如，较长的行程可能需要更坚固的发动机缸体和更强的部件，以承受操作期间产生的增加的力量。这可能导致更高的制造成本和复杂性。相反，较短的行程可以简化设计，但可能限制发动机的能力。了解“活塞行程”不仅对工程师至关重要，对于希望改装或调校自己车辆的汽车爱好者也是如此。通过修改曲轴或活塞设计等方法改变行程长度，爱好者可以根据特定需求（无论是赛车、越野还是日常驾驶）来调整发动机的性能。总之，“活塞行程”是内燃机世界中的一个基本概念。它影响从功率和扭矩到效率和排放的方方面面。无论你是工程师、机械师，还是单纯的汽车爱好者，掌握“活塞行程”的重要性将增强你对发动机工作原理及其如何针对各种应用进行优化的理解。随着技术的不断发展，“活塞行程”背后的原理将继续成为汽车工程的基石，塑造未来的交通工具。