compression ignition engine

简明释义

压燃式发动机

英英释义

例句

1.In terms of emissions, a compression ignition engine 压缩点火发动机 can produce more nitrogen oxides than gasoline engines.

就排放而言，压缩点火发动机 compression ignition engine 可能产生比汽油发动机更多的氮氧化物。

2.The compression ignition engine 压缩点火发动机 is commonly used in diesel vehicles due to its efficiency.

由于其高效性，压缩点火发动机 compression ignition engine 通常用于柴油车辆。

3.Many heavy-duty trucks utilize a compression ignition engine 压缩点火发动机 for better fuel economy.

许多重型卡车使用 压缩点火发动机 compression ignition engine 以获得更好的燃油经济性。

4.The compression ignition engine 压缩点火发动机 operates by compressing air to ignite the fuel.

压缩点火发动机 compression ignition engine 通过压缩空气来点燃燃料。

5.The maintenance of a compression ignition engine 压缩点火发动机 requires regular oil changes and filter replacements.

对 压缩点火发动机 compression ignition engine 的维护需要定期更换机油和滤清器。

作文

The development of modern transportation has been significantly influenced by various types of engines. Among these, the compression ignition engine (CI engine) stands out due to its efficiency and power output. A compression ignition engine is defined as an internal combustion engine that ignites fuel through the heat generated from compressing air within the cylinder. This process is distinct from spark ignition engines, which rely on a spark plug to ignite the fuel-air mixture. The CI engine primarily uses diesel fuel, which contributes to its high thermal efficiency compared to gasoline engines.One of the main advantages of the compression ignition engine is its ability to achieve higher compression ratios. This means that the air-fuel mixture can be compressed to a greater extent before ignition occurs, leading to more efficient combustion. As a result, CI engines typically produce more torque and are favored in heavy-duty applications such as trucks, buses, and ships. The robustness of the compression ignition engine makes it ideal for transporting goods over long distances, where reliability and fuel efficiency are paramount.However, the compression ignition engine is not without its challenges. One significant issue is the emission of nitrogen oxides (NOx) and particulate matter, which can contribute to air pollution. To combat this, manufacturers have developed various technologies, such as selective catalytic reduction (SCR) and diesel particulate filters (DPF), to reduce harmful emissions from CI engines. These advancements illustrate the industry's commitment to creating cleaner and more sustainable transportation options.Moreover, the rise of alternative fuels has sparked interest in the future of the compression ignition engine. Biodiesel, produced from renewable resources, is gaining popularity as a viable substitute for traditional diesel fuel. This shift not only helps reduce greenhouse gas emissions but also supports agricultural economies. As technology continues to evolve, we may see further innovations in CI engines that enhance their performance while minimizing their environmental impact.In conclusion, the compression ignition engine plays a crucial role in our transportation systems, providing efficient and powerful solutions for various applications. While there are challenges associated with emissions, ongoing technological advancements and the adoption of alternative fuels present promising avenues for improvement. Understanding the mechanics and implications of compression ignition engines is essential for anyone looking to grasp the complexities of modern engineering and environmental stewardship. As we move towards a more sustainable future, the evolution of the compression ignition engine will undoubtedly continue to shape the landscape of transportation and energy consumption.

现代交通的发展受到了多种类型发动机的显著影响。其中，压缩点火发动机因其效率和动力输出而脱颖而出。压缩点火发动机被定义为一种内燃机，它通过在气缸内压缩空气所产生的热量来点燃燃料。这一过程与依赖火花塞点燃燃料-空气混合物的火花点火发动机不同。CI发动机主要使用柴油，这使其相比汽油发动机具有更高的热效率。压缩点火发动机的主要优点之一是能够实现更高的压缩比。这意味着在点火发生之前，空气-燃料混合物可以被压缩到更大的程度，从而导致更高效的燃烧。因此，CI发动机通常产生更多的扭矩，并且在卡车、公共汽车和船舶等重型应用中受到青睐。压缩点火发动机的坚固性使其非常适合长途运输货物，在那里可靠性和燃油效率至关重要。然而，压缩点火发动机并非没有挑战。一个重要的问题是氮氧化物（NOx）和颗粒物的排放，这可能会导致空气污染。为了解决这个问题，制造商开发了各种技术，如选择性催化还原（SCR）和柴油颗粒过滤器（DPF），以减少CI发动机的有害排放。这些进步表明了行业对创造更清洁和可持续交通选择的承诺。此外，替代燃料的兴起引发了人们对压缩点火发动机未来的兴趣。生物柴油，由可再生资源生产，正逐渐成为传统柴油燃料的可行替代品。这一转变不仅有助于减少温室气体排放，还支持农业经济。随着技术的不断发展，我们可能会看到CI发动机在提高性能的同时最小化环境影响的进一步创新。总之，压缩点火发动机在我们的交通系统中发挥着至关重要的作用，为各种应用提供高效和强大的解决方案。尽管与排放相关的挑战存在，但持续的技术进步和替代燃料的采用为改善提供了有希望的途径。理解压缩点火发动机的机制和影响对于任何希望掌握现代工程和环境管理复杂性的人来说都是至关重要的。随着我们朝着更可持续的未来迈进，压缩点火发动机的演变无疑将继续塑造交通和能源消费的格局。