compression ratio

简明释义

压缩比

英英释义

例句

1.Higher compression ratios can lead to increased power output.

更高的压缩比可以导致更高的功率输出。

2.The engine's compression ratio is crucial for determining its efficiency.

发动机的压缩比对于决定其效率至关重要。

3.Diesel engines generally have a higher compression ratio than gasoline engines.

柴油发动机的压缩比通常高于汽油发动机。

4.In turbocharged engines, the compression ratio is often lower to prevent knocking.

在涡轮增压发动机中，压缩比通常较低以防止爆震。

5.The ideal compression ratio for gasoline engines typically ranges from 8:1 to 12:1.

汽油发动机的理想压缩比通常在8:1到12:1之间。

作文

In the world of engineering and automotive technology, the term compression ratio refers to the ratio of the volume of the combustion chamber when the piston is at the bottom of its stroke to the volume of the chamber when the piston is at the top of its stroke. This measurement is crucial for determining the efficiency and performance of an engine. A higher compression ratio typically indicates that the engine can extract more energy from the fuel, leading to improved power output and fuel efficiency. However, it also requires higher octane fuel to prevent knocking or pre-ignition, which can damage the engine. Understanding the compression ratio is essential for both engineers and car enthusiasts. For instance, many high-performance sports cars have a compression ratio exceeding 10:1, allowing them to achieve greater horsepower and torque. In contrast, standard vehicles often operate with a compression ratio around 9:1 to maintain reliability and accommodate regular fuel types. Thus, the choice of compression ratio directly affects the vehicle's performance characteristics, including acceleration, fuel consumption, and overall driving experience.Moreover, the compression ratio plays a vital role in the development of alternative fuel technologies. As the automotive industry shifts towards electric and hybrid vehicles, understanding how traditional engines work, including the implications of compression ratio, remains important. Engineers are continually experimenting with different compression ratios to optimize engine performance while minimizing emissions. For example, some manufacturers have developed variable compression engines that can adjust the compression ratio on the fly, enhancing efficiency under various driving conditions.In addition to its significance in internal combustion engines, the concept of compression ratio extends to other fields such as data compression in computer science. Here, the compression ratio refers to the reduction in size of a data file compared to its original size. A higher compression ratio means that the file has been significantly reduced, which is beneficial for storage and transmission purposes. Understanding this aspect of compression ratio is crucial for software developers and IT professionals who aim to optimize data handling processes.In conclusion, the term compression ratio encompasses a wide range of applications across different fields. Whether in automotive engineering or data management, grasping the implications of compression ratio is essential for improving performance and efficiency. As technology continues to evolve, the importance of optimizing compression ratio will only grow, making it a fundamental concept to understand for anyone involved in these industries.

在工程和汽车技术的世界中，术语compression ratio指的是当活塞处于行程底部时燃烧室的体积与活塞处于行程顶部时燃烧室的体积之间的比率。这个测量对于确定发动机的效率和性能至关重要。较高的compression ratio通常表示发动机可以从燃料中提取更多的能量，从而提高功率输出和燃油效率。然而，它也需要更高的辛烷值燃料，以防止敲击或提前点火，这可能会损坏发动机。理解compression ratio对工程师和汽车爱好者来说都是必不可少的。例如，许多高性能跑车的compression ratio超过10:1，使它们能够实现更大的马力和扭矩。相比之下，标准车辆通常以大约9:1的compression ratio运行，以保持可靠性并适应普通燃料类型。因此，compression ratio的选择直接影响车辆的性能特征，包括加速、燃油消耗和整体驾驶体验。此外，compression ratio在替代燃料技术的发展中也发挥着重要作用。随着汽车工业向电动和混合动力汽车转型，理解传统发动机的工作原理，包括compression ratio的影响，仍然很重要。工程师们不断尝试不同的compression ratio以优化发动机性能，同时最小化排放。例如，一些制造商开发了可变压缩发动机，可以根据不同的驾驶条件动态调整compression ratio，增强效率。除了在内燃机中的重要性外，compression ratio的概念还扩展到计算机科学中的数据压缩。在这里，compression ratio指的是数据文件的大小与其原始大小之间的缩减。较高的compression ratio意味着文件已被显著缩小，这对存储和传输非常有利。理解这一方面的compression ratio对旨在优化数据处理过程的软件开发人员和IT专业人员至关重要。总之，术语compression ratio涵盖了不同领域广泛的应用。无论是在汽车工程还是数据管理中，掌握compression ratio的意义对于提高性能和效率都是至关重要的。随着技术的不断发展，优化compression ratio的重要性只会增加，使其成为任何参与这些行业的人都必须理解的基本概念。