stroke diameter ratio

简明释义

行程缸径比

英英释义

例句

1.In designing a new motorcycle, engineers must carefully consider the stroke diameter ratio to achieve the desired torque and horsepower.

在设计新摩托车时，工程师必须仔细考虑行程直径比以达到所需的扭矩和马力。

2.The engine's performance can be optimized by adjusting the stroke diameter ratio, which is the ratio of the piston stroke length to the cylinder diameter.

通过调整行程直径比，即活塞行程长度与气缸直径的比率，可以优化发动机的性能。

3.The stroke diameter ratio can influence fuel efficiency, with lower ratios often leading to better mileage.

行程直径比可以影响燃油效率，较低的比率通常会导致更好的里程。

4.Manufacturers often publish the stroke diameter ratio in their specifications to help consumers understand engine characteristics.

制造商通常会在其规格中发布行程直径比，以帮助消费者理解发动机特性。

5.A higher stroke diameter ratio generally indicates a more powerful engine, suitable for racing applications.

较高的行程直径比通常表示更强大的发动机，适合赛车应用。

作文

In the field of engineering, particularly in the design and analysis of engines and other mechanical systems, the term stroke diameter ratio is of significant importance. This ratio, which compares the length of the stroke of a piston to the diameter of the piston itself, plays a crucial role in determining the efficiency and performance of an engine. Understanding the stroke diameter ratio can help engineers optimize engine designs for better fuel efficiency, power output, and overall functionality.To elaborate, the stroke is the distance that the piston travels within the cylinder, while the diameter is the width of the piston. The stroke diameter ratio is calculated by dividing the stroke length by the diameter of the piston. For example, if a piston has a stroke of 100 mm and a diameter of 50 mm, the stroke diameter ratio would be 2:1. This means that the piston moves twice its diameter during each cycle.The implications of the stroke diameter ratio are vast. A higher ratio often indicates that the engine is designed for high torque at lower RPMs (revolutions per minute), which is beneficial for applications requiring substantial pulling power, such as trucks or heavy machinery. Conversely, a lower stroke diameter ratio suggests that the engine may be designed for higher RPMs, which is advantageous for sports cars and racing applications where speed is paramount.Moreover, the stroke diameter ratio can influence the combustion process within the engine. Engines with a higher ratio tend to have a larger volume for air and fuel mixture, which can lead to more efficient combustion. This efficiency not only improves performance but also reduces harmful emissions, making it an essential factor in the design of modern engines that comply with stringent environmental regulations.Additionally, the stroke diameter ratio affects the engine's vibration and noise characteristics. Engines with a higher ratio may experience less vibration due to their design, leading to a smoother operation. This is particularly important in passenger vehicles where comfort is a priority. Engineers must carefully consider the stroke diameter ratio alongside other design parameters to achieve the desired balance between performance, efficiency, and comfort.In conclusion, the stroke diameter ratio is a critical parameter in engine design that influences various aspects of performance, efficiency, and comfort. By understanding and optimizing this ratio, engineers can create engines that meet the diverse needs of consumers and industries alike. As technology continues to advance, the importance of the stroke diameter ratio will likely grow, driving further innovations in engine design and performance optimization. Therefore, mastering the concept of stroke diameter ratio is essential for anyone involved in mechanical engineering or automotive design, as it lays the groundwork for creating more efficient and powerful engines in the future.

在工程领域，特别是在发动机及其他机械系统的设计和分析中，术语行程直径比具有重要意义。这个比率将活塞的行程长度与活塞本身的直径进行比较，对于确定发动机的效率和性能起着关键作用。理解行程直径比可以帮助工程师优化发动机设计，以提高燃油效率、功率输出和整体功能。进一步解释，行程是活塞在气缸内移动的距离，而直径是活塞的宽度。行程直径比是通过将行程长度除以活塞直径来计算的。例如，如果一个活塞的行程为100毫米，直径为50毫米，则行程直径比将为2:1。这意味着活塞在每个循环中移动了其直径的两倍。行程直径比的影响是广泛的。较高的比率通常表明发动机设计用于在较低转速下提供高扭矩，这对于需要大拉力的应用（如卡车或重型机械）是有利的。相反，较低的行程直径比则表明发动机可能设计用于更高的转速，这对于运动汽车和赛车应用是有利的，因为速度至关重要。此外，行程直径比还会影响发动机内的燃烧过程。具有较高比率的发动机往往具有更大的空气和燃料混合物体积，这可以导致更高效的燃烧。这种效率不仅改善了性能，还减少了有害排放，使其成为现代发动机设计中的一个重要因素，以符合严格的环境法规。此外，行程直径比还会影响发动机的振动和噪音特性。具有较高比率的发动机由于其设计可能会经历更少的振动，从而实现更平稳的操作。这在乘用车中尤为重要，因为舒适性是优先考虑的。工程师必须仔细考虑行程直径比与其他设计参数，以实现性能、效率和舒适性之间的理想平衡。总之，行程直径比是发动机设计中的一个关键参数，影响性能、效率和舒适性的各个方面。通过理解和优化这一比率，工程师可以创建满足消费者和各行业多样化需求的发动机。随着技术的不断进步，行程直径比的重要性可能会增加，推动发动机设计和性能优化的进一步创新。因此，掌握行程直径比的概念对于任何参与机械工程或汽车设计的人来说都是至关重要的，因为它为未来创造更高效、更强大的发动机奠定了基础。