cylinder bore

简明释义

汽缸内径

英英释义

例句

1.During the rebuild, we had to hone the cylinder bore for optimal performance.

在重建过程中，我们必须对气缸孔径进行磨光以获得最佳性能。

2.The mechanic measured the cylinder bore to ensure it was within the manufacturer's specifications.

机械师测量了气缸孔径以确保其符合制造商的规格。

3.The cylinder bore size directly affects fuel efficiency in combustion engines.

气缸孔径大小直接影响内燃机的燃油效率。

4.Inspecting the cylinder bore revealed some wear that needed attention.

检查气缸孔径发现了一些需要注意的磨损。

5.A larger cylinder bore can increase the engine's power output.

更大的气缸孔径可以增加发动机的功率输出。

作文

The term cylinder bore refers to the internal diameter of a cylinder in an engine, which plays a crucial role in determining the engine's performance and efficiency. Understanding the concept of cylinder bore is essential for anyone interested in automotive engineering or mechanics. The size of the cylinder bore directly affects the volume of air and fuel that can be drawn into the cylinder during the intake stroke, which in turn influences the power output and efficiency of the engine.In general, a larger cylinder bore allows for more air-fuel mixture to enter the combustion chamber, potentially leading to increased power. However, it is important to balance the size of the cylinder bore with the stroke length—the distance the piston travels within the cylinder. This balance is often referred to as the engine's 'bore-stroke ratio.' A higher bore-to-stroke ratio typically results in a more powerful engine that can rev higher, while a lower ratio may provide better torque at lower RPMs.When designing an engine, engineers must also consider the materials used and the overall design of the cylinder head and block. The cylinder bore must be precisely machined to ensure proper sealing with the piston rings, which prevents loss of compression and ensures efficient combustion. Any imperfections in the cylinder bore can lead to significant performance issues, such as oil consumption, reduced power, and increased emissions.Moreover, the cylinder bore is often a focal point in discussions about engine modifications. Car enthusiasts frequently seek to increase the cylinder bore to boost horsepower. This process, known as 'boring out' the cylinders, involves enlarging the diameter of the existing cylinder bore. While this can lead to improved performance, it must be done carefully to avoid compromising the structural integrity of the engine block.In summary, the cylinder bore is a fundamental aspect of engine design and performance. Its size influences not only the power and efficiency of an engine but also its overall reliability and longevity. Whether you are a student of automotive technology or simply a car enthusiast, understanding the implications of cylinder bore can greatly enhance your appreciation of how engines work and what makes them perform at their best. By grasping the significance of cylinder bore, one can better appreciate the intricate balance of design and engineering that goes into creating high-performance vehicles. Ultimately, knowledge of cylinder bore and its effects on engine dynamics is invaluable in the pursuit of automotive excellence.

术语cylinder bore指的是发动机中气缸的内径，这在决定发动机的性能和效率方面起着至关重要的作用。理解cylinder bore的概念对于任何对汽车工程或机械学感兴趣的人来说都是必不可少的。cylinder bore的大小直接影响到在进气行程中可以吸入气缸的空气和燃料的体积，这反过来又影响到发动机的功率输出和效率。通常，较大的cylinder bore允许更多的空气-燃料混合物进入燃烧室，从而可能导致功率增加。然而，必须将cylinder bore的大小与行程长度进行平衡——活塞在气缸内移动的距离。这个平衡通常被称为发动机的“孔行程比”。较高的孔行程比通常会导致更强大的发动机，可以更高转速运转，而较低的比率可能在较低转速下提供更好的扭矩。在设计发动机时，工程师还必须考虑所使用的材料以及气缸头和气缸体的整体设计。cylinder bore必须精确加工，以确保与活塞环的正确密封，从而防止压缩损失并确保有效燃烧。cylinder bore中的任何缺陷都可能导致显著的性能问题，例如油耗、功率降低和排放增加。此外，cylinder bore通常是讨论发动机改装时的焦点。汽车爱好者经常寻求增加cylinder bore以提升马力。这个过程被称为“扩大气缸”，涉及到增大现有cylinder bore的直径。虽然这可能会提高性能，但必须谨慎进行，以避免损害发动机缸体的结构完整性。总之，cylinder bore是发动机设计和性能的基本方面。它的大小不仅影响发动机的功率和效率，还影响其整体可靠性和耐久性。无论你是汽车技术的学生还是仅仅是一个汽车爱好者，理解cylinder bore的影响将大大增强你对发动机工作原理的欣赏，以及是什么使它们表现最佳。通过掌握cylinder bore的重要性，人们可以更好地欣赏到高性能车辆设计和工程中所需的微妙平衡。最终，了解cylinder bore及其对发动机动态的影响在追求汽车卓越的过程中是无价的。