abnormal combustion

简明释义

异常燃烧

英英释义

例句

1.The research focused on the causes of abnormal combustion in high-performance engines.

研究重点是高性能发动机中异常燃烧的原因。

2.Using low-quality fuel can lead to abnormal combustion and damage to the engine.

使用低质量燃料可能导致异常燃烧和对发动机的损害。

3.The engine experienced abnormal combustion, leading to a significant drop in performance.

发动机经历了异常燃烧，导致性能显著下降。

4.Monitoring abnormal combustion is crucial for improving fuel efficiency.

监测异常燃烧对于提高燃油效率至关重要。

5.Mechanics often check for signs of abnormal combustion to diagnose engine issues.

机械师经常检查异常燃烧的迹象以诊断发动机问题。

作文

In the field of combustion science, understanding the various types of combustion processes is crucial for improving efficiency and reducing emissions. One term that often arises in this context is abnormal combustion, which refers to combustion processes that deviate from the expected or standard patterns. This can include phenomena such as pre-ignition, knocking, and misfiring, which can lead to reduced performance and increased emissions in engines. The significance of abnormal combustion cannot be overstated, as it affects not only the operational efficiency of engines but also their longevity and environmental impact.When discussing abnormal combustion, it is essential to consider the conditions under which it occurs. Factors such as fuel quality, engine temperature, pressure, and timing can all contribute to the likelihood of abnormal events. For instance, using low-quality fuel with high volatility can lead to premature ignition, resulting in knocking. Knocking is a form of abnormal combustion where the fuel-air mixture ignites unevenly, causing a sharp knocking sound and potential damage to engine components.Another example of abnormal combustion is misfiring, which occurs when the fuel-air mixture fails to ignite in one or more cylinders. This can be caused by issues such as faulty spark plugs, incorrect fuel-air ratios, or mechanical failures within the engine. Misfiring not only reduces power output but also increases unburned hydrocarbons and other harmful emissions, contributing to environmental pollution.The implications of abnormal combustion extend beyond individual engines to broader environmental concerns. As more vehicles are on the road, the cumulative effect of inefficient combustion processes can lead to significant air quality issues. Therefore, addressing abnormal combustion is not just a technical challenge but also an environmental imperative.To mitigate the effects of abnormal combustion, engineers and researchers are continuously working on advancements in engine design and fuel technology. Innovations such as direct fuel injection, turbocharging, and the use of alternative fuels are all aimed at optimizing the combustion process and minimizing the occurrence of abnormal events. These technologies not only enhance performance but also help in achieving stricter emissions standards set by regulatory bodies.In conclusion, abnormal combustion represents a critical area of study within combustion science, with far-reaching implications for engine performance and environmental health. By understanding the causes and effects of abnormal combustion, we can develop better strategies to improve combustion efficiency and reduce harmful emissions. As we move forward in an era that demands cleaner and more efficient technologies, addressing the challenges posed by abnormal combustion will be essential for the sustainability of our transportation systems and the health of our planet.

在燃烧科学领域，理解各种燃烧过程是提高效率和减少排放的关键。一个常常出现的术语是异常燃烧，它指的是偏离预期或标准模式的燃烧过程。这可以包括诸如预点火、敲击和失火等现象，这些现象可能导致发动机性能下降和排放增加。异常燃烧的重要性不容小觑，因为它不仅影响发动机的操作效率，还影响其寿命和环境影响。在讨论异常燃烧时，考虑发生这种情况的条件至关重要。燃料质量、发动机温度、压力和点火时间等因素都可能导致异常事件的发生。例如，使用高挥发性的低质量燃料可能导致提前点火，从而导致敲击。敲击是一种异常燃烧的形式，其中燃料-空气混合物不均匀点燃，产生尖锐的敲击声，并可能对发动机部件造成损害。另一个异常燃烧的例子是失火，它发生在一个或多个气缸中的燃料-空气混合物未能点燃。这可能是由于火花塞故障、燃料-空气比例不正确或发动机内部机械故障等问题引起的。失火不仅降低了功率输出，还增加了未燃烃和其他有害排放，导致环境污染。异常燃烧的影响不仅限于单个发动机，还涉及更广泛的环境问题。随着越来越多的车辆上路，低效燃烧过程的累积效应可能导致显著的空气质量问题。因此，解决异常燃烧不仅是一个技术挑战，也是一个环境迫切任务。为了减轻异常燃烧的影响，工程师和研究人员不断致力于发动机设计和燃料技术的进步。直接燃油喷射、涡轮增压和使用替代燃料等创新旨在优化燃烧过程，最小化异常事件的发生。这些技术不仅提高了性能，还有助于实现监管机构设定的更严格的排放标准。总之，异常燃烧代表了燃烧科学中的一个关键研究领域，对发动机性能和环境健康具有深远的影响。通过理解异常燃烧的原因和影响，我们可以制定更好的策略来提高燃烧效率并减少有害排放。随着我们进入一个需要更清洁、更高效技术的时代，解决异常燃烧所带来的挑战将对我们交通系统的可持续性和地球的健康至关重要。