secondary air

简明释义

二次空气

英英释义

例句

1.To reduce emissions, the power plant utilizes secondary air to facilitate complete fuel combustion.

为了减少排放，发电厂利用二次空气来促进燃料的完全燃烧。

2.In many industrial processes, secondary air is injected to enhance the oxidation of volatile compounds.

在许多工业过程中，注入二次空气以增强挥发性化合物的氧化。

3.The secondary air system in the catalytic converter helps in reducing harmful exhaust gases.

催化转化器中的二次空气系统有助于减少有害废气。

4.The design of the furnace includes a mechanism for controlling secondary air flow for optimal performance.

炉子的设计包括一个控制二次空气流动的机制，以获得最佳性能。

5.The engine uses a system that introduces secondary air to improve combustion efficiency.

该发动机使用一种系统，加入二次空气以提高燃烧效率。

作文

In the world of engineering and environmental science, the term secondary air refers to the additional air that is introduced into a combustion process to enhance efficiency and reduce emissions. This concept is particularly significant in the design of various engines and industrial furnaces, where achieving optimal combustion is crucial for both performance and environmental compliance. The introduction of secondary air can lead to more complete combustion of fuels, which not only maximizes energy output but also minimizes the release of harmful pollutants into the atmosphere.When we consider the functioning of a typical internal combustion engine, the role of secondary air becomes evident. In many modern vehicles, especially those equipped with catalytic converters, secondary air is injected into the exhaust stream during cold starts. This process helps to oxidize unburned hydrocarbons and carbon monoxide, effectively reducing emissions during a critical phase when the engine is not yet operating at optimal temperature. By enhancing the combustion of these pollutants, the use of secondary air significantly contributes to cleaner exhaust gases and helps vehicles meet stringent environmental regulations.Additionally, the concept of secondary air is not limited to automotive applications. In industrial settings, such as power plants and manufacturing facilities, secondary air is often utilized in boilers and kilns. By carefully controlling the amount and timing of secondary air introduced into the combustion chamber, operators can optimize the burning of fuels like coal, natural gas, or biomass. This optimization leads to improved thermal efficiency and reduced fuel consumption, which are essential for both economic and environmental sustainability.Moreover, the strategic use of secondary air can also help in managing the temperature within combustion systems. For instance, in cement kilns, the introduction of secondary air can help maintain the necessary heat levels while ensuring that the materials being processed are heated evenly. This is vital for producing high-quality cement and minimizing energy waste.However, the implementation of secondary air systems requires careful consideration and engineering expertise. Factors such as the timing of air injection, the quantity of air added, and the specific design of the combustion system all play critical roles in determining the effectiveness of secondary air in improving combustion efficiency. Engineers must balance these variables to achieve the desired outcomes without causing adverse effects such as increased noise or instability in the combustion process.In conclusion, the concept of secondary air is an essential aspect of modern combustion technology. Its application across various industries highlights the importance of optimizing combustion processes to achieve better energy efficiency and lower emissions. As we continue to face challenges related to air quality and climate change, innovations in the use of secondary air will undoubtedly play a pivotal role in developing cleaner and more sustainable technologies for the future.

在工程和环境科学领域，术语secondary air指的是在燃烧过程中引入的额外空气，以提高效率和减少排放。这个概念在各种发动机和工业炉的设计中尤为重要，因为实现最佳燃烧对性能和环境合规性至关重要。引入secondary air可以导致燃料更完全的燃烧，这不仅最大化能量输出，还最小化有害污染物释放到大气中的可能性。当我们考虑典型内燃机的工作原理时，secondary air的作用变得显而易见。在许多现代车辆中，特别是那些配备催化转换器的车辆，secondary air会在冷启动期间注入到废气流中。这一过程有助于氧化未燃烧的碳氢化合物和一氧化碳，有效减少在发动机尚未达到最佳温度时的排放。在这些污染物的燃烧过程中，使用secondary air显著有助于排放更清洁的废气，并帮助车辆满足严格的环境法规。此外，secondary air的概念并不限于汽车应用。在工业环境中，例如发电厂和制造设施，secondary air通常用于锅炉和窑炉。通过精确控制引入燃烧室的secondary air的数量和时机，操作员可以优化煤、天然气或生物质等燃料的燃烧。这种优化可提高热效率，减少燃料消耗，这对经济和环境可持续性至关重要。此外，战略性地使用secondary air还可以帮助管理燃烧系统内部的温度。例如，在水泥窑中，引入secondary air可以帮助维持必要的热量，同时确保被处理材料均匀加热。这对于生产高质量水泥和最小化能源浪费至关重要。然而，实施secondary air系统需要仔细考虑和工程专业知识。空气注入的时机、添加的空气量以及燃烧系统的具体设计等因素在确定secondary air在提高燃烧效率方面的有效性时都起着关键作用。工程师必须平衡这些变量，以在不造成噪音增加或燃烧过程不稳定等不良影响的情况下，实现预期结果。总之，secondary air的概念是现代燃烧技术的一个重要方面。它在各个行业中的应用突显了优化燃烧过程以实现更好能源效率和更低排放的重要性。随着我们继续面临空气质量和气候变化相关的挑战，secondary air的使用创新无疑将在未来开发更清洁、更可持续的技术中发挥关键作用。