critical compression ratio

简明释义

临界压缩比

英英释义

例句

1.Engineers often test various configurations to find the ideal critical compression ratio 临界压缩比 for performance.

工程师们经常测试各种配置，以找到性能的理想 critical compression ratio 临界压缩比 。

2.The critical compression ratio 临界压缩比 is crucial for preventing engine knocking in high-performance vehicles.

在高性能车辆中，critical compression ratio 临界压缩比 对防止发动机敲击至关重要。

3.When tuning an engine, understanding the critical compression ratio 临界压缩比 helps in achieving optimal fuel efficiency.

在调校发动机时，了解 critical compression ratio 临界压缩比 有助于实现最佳燃油效率。

4.The manufacturer specified a critical compression ratio 临界压缩比 to ensure the longevity of the engine.

制造商指定了一个 critical compression ratio 临界压缩比 以确保发动机的耐用性。

5.In engine design, the critical compression ratio 临界压缩比 determines the maximum efficiency a combustion engine can achieve.

在发动机设计中，critical compression ratio 临界压缩比 决定了内燃机可以达到的最大效率。

作文

The concept of critical compression ratio plays a significant role in the field of thermodynamics and engine design. Understanding this term is essential for engineers and designers who aim to optimize the performance of internal combustion engines. The critical compression ratio refers to the maximum compression ratio at which an engine can operate efficiently without causing knocking or pre-ignition. This phenomenon occurs when the fuel-air mixture ignites prematurely due to excessive pressure and temperature, leading to a reduction in engine performance and potential damage. In practical terms, the critical compression ratio varies depending on the type of fuel used, the engine design, and the operating conditions. For instance, high-octane fuels can withstand higher compression ratios compared to regular gasoline. This characteristic allows engineers to design engines that maximize power output while minimizing fuel consumption. By understanding the limits set by the critical compression ratio, engineers can make informed decisions about the materials and technologies used in engine construction. Moreover, advancements in technology have allowed for the development of engines that can operate at higher critical compression ratios. For example, some modern turbocharged engines can achieve greater efficiency and power by utilizing advanced fuel injection systems and better cooling techniques. These innovations enable the engine to compress the air-fuel mixture more effectively, thus reaching a higher critical compression ratio without the adverse effects of knocking. The implications of the critical compression ratio extend beyond just performance. It also affects emissions and environmental impact. Engines that operate at optimal compression ratios tend to produce fewer pollutants, as they burn fuel more completely. Therefore, understanding and applying the principles of the critical compression ratio is not only crucial for enhancing engine performance but also for meeting stringent environmental regulations. In conclusion, the critical compression ratio is a fundamental concept in engine design that influences various aspects of performance, efficiency, and emissions. As technology continues to evolve, the ability to manipulate and optimize this ratio will be key to developing future engines that are both powerful and environmentally friendly. Engineers must remain aware of the critical compression ratio in their designs to ensure that they create engines that meet the demands of modern society while adhering to sustainability goals.

“临界压缩比”这一概念在热力学和发动机设计领域中发挥着重要作用。理解这个术语对旨在优化内燃机性能的工程师和设计师来说至关重要。“临界压缩比”指的是发动机在不引起敲击或提前点火的情况下能够高效运行的最大压缩比。这种现象发生在燃油-空气混合物因过高的压力和温度而提前点燃，导致发动机性能下降和潜在损坏。在实际应用中，“临界压缩比”因所用燃料类型、发动机设计和操作条件而异。例如，高辛烷值燃料可以承受比普通汽油更高的压缩比。这一特性使工程师能够设计出在最大化功率输出的同时最小化燃料消耗的发动机。通过了解“临界压缩比”所设定的限制，工程师可以对发动机构造中使用的材料和技术做出明智的决策。此外，技术的进步使得能够开发出在更高“临界压缩比”下运行的发动机。例如，一些现代涡轮增压发动机通过利用先进的燃油喷射系统和更好的冷却技术，能够实现更高的效率和功率。这些创新使得发动机能够更有效地压缩空气-燃料混合物，从而在不产生敲击的不良影响下达到更高的“临界压缩比”。“临界压缩比”的影响不仅限于性能，它还影响排放和环境影响。在最佳压缩比下运行的发动机往往会产生更少的污染物，因为它们更完全地燃烧燃料。因此，理解和应用“临界压缩比”的原理不仅对提升发动机性能至关重要，也有助于满足严格的环境法规。总之，“临界压缩比”是发动机设计中的一个基本概念，影响着性能、效率和排放的各个方面。随着技术的不断发展，操控和优化这一比率的能力将是开发未来既强大又环保的发动机的关键。工程师必须在其设计中时刻关注“临界压缩比”，以确保他们创造的发动机能够满足现代社会的需求，同时遵循可持续发展的目标。