stroke bore ratio

简明释义

行程缸径比

英英释义

The stroke bore ratio is a dimensionless value that compares the length of the stroke (the distance the piston travels within the cylinder) to the diameter of the bore (the internal diameter of the cylinder), used to characterize the design and performance of an engine.

气缸行程与孔径比是一个无量纲值,用于比较活塞在气缸内移动的距离(行程)与气缸内径(孔径)的直径,常用于描述发动机的设计和性能。

例句

1.When tuning an engine, consider the stroke bore ratio 冲程与缸径比 to ensure optimal fuel efficiency.

在调校发动机时,请考虑冲程与缸径比 stroke bore ratio以确保最佳燃油效率。

2.The stroke bore ratio 冲程与缸径比 affects the engine's characteristics, such as its rev range and responsiveness.

发动机的特性,如转速范围和响应性,受到冲程与缸径比 stroke bore ratio的影响。

3.The engine's performance can be optimized by adjusting the stroke bore ratio 冲程与缸径比 to achieve better torque.

通过调整冲程与缸径比 stroke bore ratio,可以优化发动机的性能以获得更好的扭矩。

4.A higher stroke bore ratio 冲程与缸径比 typically leads to increased power output in racing engines.

在赛车发动机中,较高的冲程与缸径比 stroke bore ratio通常会导致更高的功率输出。

5.Manufacturers often specify the stroke bore ratio 冲程与缸径比 in the engine specifications for clarity.

制造商通常在发动机规格中指定冲程与缸径比 stroke bore ratio以便于理解。

作文

The performance and efficiency of an engine are influenced by various design parameters, one of which is the stroke bore ratio. The stroke bore ratio refers to the relationship between the stroke length (the distance the piston travels) and the bore diameter (the internal diameter of the cylinder). This ratio plays a crucial role in determining the characteristics of an engine, including its power output, torque, and fuel efficiency.In general, a higher stroke bore ratio indicates a longer stroke relative to the bore diameter. Engines with a high stroke bore ratio tend to produce more torque at lower RPMs, making them suitable for applications that require strong pulling power, such as trucks and heavy machinery. This characteristic is particularly advantageous in situations where low-end power is essential for moving heavy loads or climbing steep inclines.Conversely, engines with a lower stroke bore ratio have a shorter stroke compared to the bore diameter. These engines are typically designed for higher RPMs and can achieve greater power outputs at elevated speeds. Sports cars and racing vehicles often utilize this design to maximize their performance on the track. The ability to rev higher allows these engines to generate more horsepower, which is crucial for achieving fast acceleration and speed.The stroke bore ratio also affects the combustion process within the engine. A longer stroke can enhance the mixing of air and fuel, leading to a more complete combustion process. This can improve the overall efficiency of the engine, resulting in better fuel economy and reduced emissions. On the other hand, a shorter stroke may lead to a quicker combustion cycle, which can be beneficial for performance but might compromise fuel efficiency.When designing an engine, engineers must carefully consider the stroke bore ratio in conjunction with other factors such as engine displacement, valve timing, and compression ratio. Each of these elements interacts with the stroke bore ratio to influence the overall performance characteristics of the engine. For instance, an engine with a well-balanced stroke bore ratio can achieve optimal performance across a range of operating conditions, making it versatile for different driving scenarios.In summary, the stroke bore ratio is a vital parameter in engine design that significantly influences performance, torque, and efficiency. Understanding this ratio enables engineers and automotive enthusiasts alike to appreciate the intricacies of engine dynamics. Whether it's for a powerful truck or a high-speed sports car, the stroke bore ratio plays a fundamental role in determining how an engine performs under various conditions. As technology advances, we can expect further innovations in engine design that will continue to optimize the stroke bore ratio for improved performance and sustainability in the automotive industry.

发动机的性能和效率受到多种设计参数的影响,其中之一就是冲程缸径比冲程缸径比指的是活塞行程长度(活塞移动的距离)与缸内直径(气缸的内部直径)之间的关系。这个比例在决定发动机的特性方面发挥着至关重要的作用,包括功率输出、扭矩和燃油效率。一般来说,更高的冲程缸径比表示相对于缸径,活塞行程较长。具有高冲程缸径比的发动机往往在较低转速下产生更多的扭矩,使其适合需要强大牵引力的应用,例如卡车和重型机械。这种特性在需要低转速动力以移动重负荷或攀爬陡坡的情况下尤其有利。相反,具有较低冲程缸径比的发动机则是活塞行程相对于缸径较短。这些发动机通常被设计为在较高转速下运行,并能够在高转速时实现更大的功率输出。跑车和赛车通常利用这种设计,以最大化它们在赛道上的表现。能够达到更高的转速使这些发动机能够产生更多的马力,这对实现快速加速和速度至关重要。冲程缸径比也会影响发动机内部的燃烧过程。较长的行程可以增强空气和燃料的混合,从而导致更完全的燃烧过程。这可以提高发动机的整体效率,带来更好的燃油经济性和减少排放。另一方面,较短的行程可能导致更快的燃烧周期,这对性能有利,但可能会妨碍燃油效率。在设计发动机时,工程师必须仔细考虑冲程缸径比以及其他因素,如发动机排量、阀门时机和压缩比。每个元素与冲程缸径比相互作用,影响发动机的整体性能特征。例如,具有良好平衡的冲程缸径比的发动机可以在各种操作条件下实现最佳性能,使其在不同驾驶场景中更具多样性。总之,冲程缸径比是发动机设计中的一个重要参数,对性能、扭矩和效率有显著影响。理解这个比例使工程师和汽车爱好者能够欣赏发动机动态的复杂性。无论是强大的卡车还是高速跑车,冲程缸径比在决定发动机在各种条件下的表现中都起着基础性作用。随着技术的进步,我们可以期待发动机设计中的进一步创新,将继续优化冲程缸径比,以提高汽车工业的性能和可持续性。

相关单词

bore

bore详解:怎么读、什么意思、用法

ratio

ratio详解:怎么读、什么意思、用法