delayed combustion

简明释义

延迟燃烧

英英释义

例句

1.By optimizing the air-fuel mixture, we can achieve delayed combustion for better performance.

通过优化空气-燃料混合物，我们可以实现延迟燃烧以获得更好的性能。

2.The research focused on how delayed combustion affects engine noise levels.

研究集中在延迟燃烧如何影响发动机噪音水平。

3.In certain conditions, delayed combustion can lead to increased emissions.

在某些条件下，延迟燃烧可能导致排放增加。

4.The engine uses a technique called delayed combustion to improve fuel efficiency.

这款发动机使用一种叫做延迟燃烧的技术来提高燃油效率。

5.Using delayed combustion, the vehicle can reach higher speeds with less fuel.

利用延迟燃烧，车辆可以以更少的燃料达到更高的速度。

作文

In the world of engineering and combustion science, the term delayed combustion refers to a phenomenon where the ignition of fuel occurs later than expected in a combustion cycle. This can lead to various implications for efficiency and emissions in engines and other combustion systems. Understanding delayed combustion is crucial for engineers who aim to optimize performance and reduce harmful emissions from vehicles and industrial processes.The mechanics behind delayed combustion often involve the timing of fuel injection and the conditions within the combustion chamber. For instance, if fuel is injected too late or if the temperature and pressure conditions are not ideal, the combustion process may not initiate immediately. This delay can result in incomplete combustion, which not only reduces the efficiency of the engine but also increases the production of pollutants such as carbon monoxide and unburned hydrocarbons.One of the primary causes of delayed combustion is the physical properties of the fuel being used. Different fuels have varying ignition characteristics, and using a fuel with a high cetane number can help minimize delays in combustion. Cetane number is a measure of how readily a fuel will ignite under compression. Fuels with higher cetane numbers ignite more quickly, which can reduce the likelihood of delayed combustion.Another factor that contributes to delayed combustion is the design of the combustion chamber itself. The shape and size of the chamber can significantly influence how well the fuel mixes with air and how quickly it ignites. In some cases, redesigning the combustion chamber can help facilitate better mixing and faster ignition, thereby reducing the occurrence of delayed combustion.Moreover, advancements in technology have led to the development of various strategies to combat delayed combustion. For example, modern engines often incorporate advanced fuel injection systems that precisely control the timing and amount of fuel delivered to the combustion chamber. These systems can adapt to changing conditions in real-time, ensuring that combustion occurs at the optimal moment.Furthermore, researchers are continually exploring new materials and additives that can enhance fuel properties and reduce delayed combustion. By improving the combustion characteristics of fuels, it is possible to achieve cleaner and more efficient combustion processes.In conclusion, delayed combustion is a critical concept in the field of combustion science that has significant implications for engine performance and environmental impact. By understanding the factors that contribute to this phenomenon and implementing strategies to mitigate its effects, engineers can enhance the efficiency of combustion systems while minimizing emissions. As we move toward a more sustainable future, addressing issues related to delayed combustion will be essential for developing cleaner and more efficient energy systems.

在工程和燃烧科学领域，短语延迟燃烧指的是一种现象，即燃料的点火发生在燃烧周期的预期时间之后。这可能会对发动机和其他燃烧系统的效率和排放产生各种影响。理解延迟燃烧对那些旨在优化性能和减少汽车及工业过程有害排放的工程师至关重要。延迟燃烧背后的机制通常涉及燃料喷射的时机以及燃烧室内的条件。例如，如果燃料喷射得太晚，或者温度和压力条件不理想，燃烧过程可能不会立即启动。这种延迟可能导致燃烧不完全，不仅降低了发动机的效率，还增加了污染物的产生，如一氧化碳和未燃烧的碳氢化合物。造成延迟燃烧的主要原因之一是所使用燃料的物理特性。不同的燃料具有不同的点火特性，使用高十六烷值的燃料可以帮助最小化燃烧的延迟。十六烷值是衡量燃料在压缩下点火的容易程度的指标。具有较高十六烷值的燃料更容易迅速点燃，从而减少延迟燃烧的可能性。另一个导致延迟燃烧的因素是燃烧室本身的设计。燃烧室的形状和大小可以显著影响燃料与空气的混合效果以及点火的速度。在某些情况下，重新设计燃烧室可以帮助促进更好的混合和更快的点火，从而减少延迟燃烧的发生。此外，技术的进步导致了多种策略的发展，以应对延迟燃烧。例如，现代发动机通常采用先进的燃料喷射系统，这些系统精确控制燃料送入燃烧室的时机和数量。这些系统能够实时适应变化的条件，确保燃烧在最佳时刻发生。此外，研究人员不断探索新材料和添加剂，以改善燃料特性并减少延迟燃烧。通过改善燃料的燃烧特性，可以实现更清洁、更高效的燃烧过程。总之，延迟燃烧是燃烧科学领域的一个关键概念，对发动机性能和环境影响具有重要意义。通过理解导致这一现象的因素并实施减轻其影响的策略，工程师可以提高燃烧系统的效率，同时减少排放。随着我们向更可持续的未来迈进，解决与延迟燃烧相关的问题将对开发更清洁、更高效的能源系统至关重要。