excess air factor

简明释义

过剩空气系数

英英释义

例句

1.To reduce emissions, it’s crucial to monitor the excess air factor during the operation of industrial burners.

为了减少排放，在工业燃烧器的操作过程中监控过剩空气系数至关重要。

2.Adjusting the excess air factor can help achieve a more complete combustion process, thus saving fuel.

调整过剩空气系数可以帮助实现更完全的燃烧过程，从而节省燃料。

3.A high excess air factor can lead to lower temperatures in the combustion chamber, affecting the overall performance of the boiler.

高过剩空气系数可能导致燃烧室温度降低，从而影响锅炉的整体性能。

4.The combustion efficiency of the furnace can be improved by optimizing the excess air factor, which is the ratio of actual air supplied to the theoretical air required.

通过优化过剩空气系数，即实际供应的空气与所需理论空气的比率，可以提高炉子的燃烧效率。

5.When designing a new engine, engineers must consider the excess air factor to ensure optimal fuel combustion.

在设计新发动机时，工程师必须考虑过剩空气系数以确保最佳燃料燃烧。

作文

In the field of combustion engineering, the term excess air factor refers to the ratio of the actual amount of air used in a combustion process to the theoretical amount of air required for complete combustion of the fuel. This concept is crucial for optimizing combustion efficiency and reducing emissions in various industrial applications. When combustion occurs, fuel combines with oxygen to produce energy, carbon dioxide, water, and other by-products. However, if there is insufficient air, incomplete combustion can lead to the formation of harmful pollutants such as carbon monoxide and unburned hydrocarbons. Therefore, maintaining an appropriate excess air factor is essential for achieving clean and efficient combustion.The excess air factor is typically expressed as a dimensionless number, where a value of 1 indicates that the exact amount of air needed for complete combustion is being used. Values greater than 1 indicate that there is excess air present, while values less than 1 suggest that there is insufficient air. For instance, an excess air factor of 1.2 means that 20% more air is being supplied than is theoretically required. While using excess air can help ensure complete combustion and minimize pollutants, it also leads to a decrease in thermal efficiency since more energy is required to heat the additional air.Understanding the implications of the excess air factor is vital for engineers and operators in industries such as power generation, manufacturing, and waste management. By carefully controlling the amount of air supplied during combustion, they can enhance energy efficiency, reduce fuel consumption, and lower greenhouse gas emissions. For example, in a coal-fired power plant, optimizing the excess air factor can result in significant cost savings and environmental benefits. Similarly, in incineration processes, managing the excess air factor can help achieve better destruction rates of hazardous waste while minimizing the release of toxic gases.Moreover, modern technologies such as automated control systems and real-time monitoring tools have made it easier to maintain the desired excess air factor. These advancements allow for precise adjustments in response to varying operating conditions, ensuring that combustion processes remain efficient and environmentally friendly. As industries continue to face increasing regulatory pressures and a growing demand for sustainable practices, understanding and managing the excess air factor will become even more critical.In conclusion, the excess air factor is a key parameter in combustion processes that directly impacts efficiency and emissions. By ensuring the right balance of air supply, industries can optimize their operations and contribute to a cleaner environment. As technology evolves, the ability to accurately measure and control the excess air factor will play an integral role in the future of combustion engineering and sustainability efforts across the globe.

在燃烧工程领域，术语excess air factor指的是在燃烧过程中实际使用的空气量与燃料完全燃烧所需的理论空气量之间的比率。这个概念对于优化燃烧效率和减少各种工业应用中的排放至关重要。当燃烧发生时，燃料与氧气结合以产生能量、二氧化碳、水和其他副产品。然而，如果空气不足，不完全燃烧可能导致有害污染物的形成，例如一氧化碳和未燃烧的烃。因此，保持适当的excess air factor对实现清洁和高效的燃烧至关重要。excess air factor通常表示为一个无量纲数，其中值为1表示正在使用完全燃烧所需的确切空气量。大于1的值表示存在过量空气，而小于1的值则表明空气不足。例如，excess air factor为1.2意味着供应的空气比理论上所需的多出20%。虽然使用过量空气可以帮助确保完全燃烧并最小化污染物，但也会导致热效率下降，因为需要更多的能量来加热额外的空气。理解excess air factor的影响对于电力生产、制造和废物管理等行业的工程师和操作员至关重要。通过仔细控制燃烧过程中供应的空气量，他们可以提高能源效率、减少燃料消耗并降低温室气体排放。例如，在燃煤发电厂中，优化excess air factor可以带来显著的成本节约和环境效益。同样，在焚烧过程中，管理excess air factor可以帮助实现更好的危险废物销毁率，同时最小化有毒气体的释放。此外，现代技术如自动控制系统和实时监测工具使得保持所需的excess air factor变得更加容易。这些进步允许根据变化的操作条件进行精确调整，确保燃烧过程保持高效和环保。随着行业面临日益严格的监管压力和对可持续实践的日益增长的需求，理解和管理excess air factor将变得更加关键。总之，excess air factor是燃烧过程中的一个关键参数，直接影响效率和排放。通过确保空气供应的正确平衡，行业可以优化其运营并为更清洁的环境做出贡献。随着技术的发展，准确测量和控制excess air factor的能力将在燃烧工程和全球可持续发展努力的未来中发挥不可或缺的作用。