coefficient of excess air

简明释义

过量空气系数

英英释义

例句

1.The engineer calculated the coefficient of excess air to optimize the combustion process.

工程师计算了过量空气系数以优化燃烧过程。

2.In this experiment, we will measure the coefficient of excess air during different combustion conditions.

在这个实验中，我们将测量不同燃烧条件下的过量空气系数。

3.Reducing the coefficient of excess air can improve fuel efficiency in industrial furnaces.

减少过量空气系数可以提高工业炉的燃料效率。

4.Monitoring the coefficient of excess air is essential for maintaining efficient boiler operation.

监测过量空气系数对于维持锅炉高效运行至关重要。

5.A high coefficient of excess air can lead to incomplete combustion and increased emissions.

高过量空气系数可能导致不完全燃烧和排放增加。

作文

The concept of the coefficient of excess air is crucial in the field of combustion engineering and environmental science. It 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. Understanding this coefficient is essential for optimizing combustion efficiency, reducing emissions, and improving energy utilization. In practical terms, when fuel is burned, it requires a certain amount of oxygen to convert into carbon dioxide and water. Theoretical calculations show the exact amount of air needed for this process, but in real-world applications, more air is often supplied than necessary. This surplus air is quantified by the coefficient of excess air.

When the coefficient of excess air is equal to one, it indicates that the combustion process has the exact amount of air required for complete combustion. However, when this coefficient is greater than one, it signifies that there is an excess of air present. This condition can lead to lower combustion temperatures, which may result in incomplete combustion and increased emissions of unburned hydrocarbons and carbon monoxide. On the other hand, if the coefficient of excess air is less than one, it suggests that insufficient air is being supplied, leading to incomplete combustion and higher emissions of pollutants.

The optimization of the coefficient of excess air is vital for industries that rely on combustion processes, such as power generation, manufacturing, and transportation. For instance, in a coal-fired power plant, maintaining the correct coefficient of excess air can significantly enhance the efficiency of the boiler, reduce fuel consumption, and minimize harmful emissions. Engineers often use advanced control systems to monitor and adjust the air-fuel ratio in real-time, ensuring that the combustion process remains efficient and environmentally friendly.

Moreover, understanding the coefficient of excess air is also important for internal combustion engines in vehicles. An optimal air-fuel mixture is critical for achieving maximum engine performance and fuel efficiency. If too much air is introduced, the engine may run lean, causing misfires and potential damage. Conversely, too little air can lead to rich combustion, resulting in excessive fuel consumption and increased emissions. Therefore, automotive engineers meticulously design air intake systems and fuel injection mechanisms to maintain the ideal coefficient of excess air for various operating conditions.

In conclusion, the coefficient of excess air plays a significant role in combustion efficiency, environmental impact, and energy utilization across various industries. By carefully managing this coefficient, engineers and scientists can enhance the performance of combustion systems, reduce emissions, and contribute to a more sustainable future. As technology advances, ongoing research into optimizing the coefficient of excess air will continue to be a focal point in efforts to improve combustion processes and mitigate their environmental effects.

“过量空气系数”这一概念在燃烧工程和环境科学领域至关重要。它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理论空气量之间的比率。理解这个系数对于优化燃烧效率、减少排放和提高能源利用率至关重要。在实际应用中，燃料燃烧时需要一定量的氧气以转化为二氧化碳和水。理论计算显示了这一过程所需的确切空气量，但在现实应用中，通常会供应比必要的更多的空气。这种多余的空气通过过量空气系数来量化。当过量空气系数等于一时，表示燃烧过程所需的空气量正好满足完全燃烧的要求。然而，当该系数大于一时，意味着存在多余的空气。这种情况可能导致燃烧温度降低，从而导致不完全燃烧并增加未燃烃和一氧化碳的排放。另一方面，如果过量空气系数小于一，则表明供应的空气不足，导致不完全燃烧和更高的污染物排放。

优化过量空气系数对依赖燃烧过程的行业至关重要，例如发电、制造和运输。例如，在煤炭发电厂中，保持正确的过量空气系数可以显著提高锅炉的效率，减少燃料消耗，并最小化有害排放。工程师们通常使用先进的控制系统实时监测和调整空气-燃料比，以确保燃烧过程高效且环保。

此外，理解过量空气系数对于车辆中的内燃机也很重要。最佳的空气-燃料混合物对于实现最大发动机性能和燃油效率至关重要。如果引入过多的空气，发动机可能会运行过稀，导致失火和潜在损坏。相反，空气不足可能导致燃烧过浓，造成过量燃料消耗和增加排放。因此，汽车工程师精心设计进气系统和燃油喷射机制，以维持各种工作条件下理想的过量空气系数。

总之，过量空气系数在各个行业的燃烧效率、环境影响和能源利用中发挥着重要作用。通过精心管理这个系数，工程师和科学家可以提升燃烧系统的性能，减少排放，为可持续未来做出贡献。随着技术的进步，持续研究优化过量空气系数将继续成为改善燃烧过程和减轻其环境影响的重点。