delayed ignition

简明释义

延迟点火

英英释义

例句

1.The engine failed to start due to a delayed ignition.

由于延迟点火，发动机未能启动。

2.In gas appliances, delayed ignition can pose a serious safety risk.

在燃气设备中，延迟点火可能会造成严重的安全风险。

3.We need to investigate the cause of the delayed ignition in the furnace.

我们需要调查炉子中延迟点火的原因。

4.A delayed ignition can lead to increased emissions from the vehicle.

延迟点火可能导致车辆排放增加。

5.The technician explained that delayed ignition often results from a faulty spark plug.

技术员解释说，延迟点火通常是由于火花塞故障造成的。

作文

In the world of engineering and combustion processes, the term delayed ignition refers to a phenomenon where there is a lag between the initiation of fuel combustion and the actual ignition of the fuel-air mixture. This delay can lead to various issues, especially in engines and industrial burners, where precise timing is crucial for optimal performance. Understanding delayed ignition is essential for engineers and technicians who work with combustion systems, as it can significantly impact efficiency, emissions, and overall safety.The mechanics of delayed ignition can be attributed to several factors, including fuel properties, temperature, pressure, and the design of the combustion system. For instance, in an internal combustion engine, if the fuel-air mixture does not ignite at the expected moment, it can cause knocking, reduced power output, and increased emissions. This is particularly problematic in high-performance engines where timing is critical.One common scenario that illustrates delayed ignition is in gas turbines. In these systems, the fuel must ignite at a precise moment to ensure smooth operation. If the ignition is delayed, it can lead to a phenomenon known as 'flameout,' where the flame in the combustion chamber extinguishes, causing a loss of power and potential damage to the turbine components. Engineers often implement advanced ignition systems and control algorithms to minimize the risk of delayed ignition in such applications.Moreover, delayed ignition is not only limited to mechanical systems; it can also occur in chemical reactions. For example, in the field of pyrotechnics, a delay in ignition can result in dangerous situations. Fireworks are designed to ignite at specific times to create visual effects, and any delay can lead to unintended consequences, including misfires or accidents. Therefore, understanding the factors that contribute to delayed ignition is crucial for safety and effectiveness in these applications.In terms of solutions, engineers often focus on improving ignition systems, optimizing fuel mixtures, and enhancing the overall design of combustion chambers to reduce the likelihood of delayed ignition. For example, using high-energy ignition sources or adjusting the compression ratio in engines can help achieve more reliable ignition timings. Additionally, advancements in materials science have led to the development of more resilient components that can withstand the pressures associated with delayed ignition events.In conclusion, the concept of delayed ignition plays a significant role in various fields, particularly in engineering and combustion technology. By understanding the underlying mechanisms and implications of this phenomenon, professionals can develop more efficient and safer systems. As we continue to innovate and improve our combustion technologies, addressing the challenges posed by delayed ignition will remain a priority, ensuring that we harness energy effectively while minimizing risks and environmental impacts.

在工程和燃烧过程的世界中，术语延迟点火指的是一个现象，即燃料燃烧的启动与燃料-空气混合物实际点火之间存在滞后。这种延迟可能导致各种问题，特别是在发动机和工业燃烧器中，精确的时机对优化性能至关重要。理解延迟点火对于从事燃烧系统工作的工程师和技术人员至关重要，因为它会显著影响效率、排放和整体安全性。延迟点火的机制可以归因于多个因素，包括燃料特性、温度、压力以及燃烧系统的设计。例如，在内燃机中，如果燃料-空气混合物未能在预期的时刻点燃，可能会导致敲击、功率输出减少和排放增加。这在高性能发动机中尤其成问题，因为时机至关重要。一个常见的场景来说明延迟点火是发生在燃气涡轮机中。在这些系统中，燃料必须在精确的时刻点燃，以确保平稳运行。如果点火延迟，可能会导致称为“熄火”的现象，即燃烧室中的火焰熄灭，导致动力损失和潜在的涡轮组件损坏。工程师们通常会实施先进的点火系统和控制算法，以尽量减少此类应用中延迟点火的风险。此外，延迟点火不仅限于机械系统；它也可能发生在化学反应中。例如，在烟火领域，点火的延迟可能导致危险情况。烟花被设计为在特定时间点燃，以创造视觉效果，任何延迟都可能导致意想不到的后果，包括误爆或事故。因此，理解导致延迟点火的因素对于这些应用的安全性和有效性至关重要。在解决方案方面，工程师通常专注于改善点火系统、优化燃料混合物以及增强燃烧室的整体设计，以降低延迟点火的可能性。例如，使用高能点火源或调整发动机的压缩比可以帮助实现更可靠的点火时机。此外，材料科学的进步导致了更耐用的组件的发展，这些组件能够承受与延迟点火事件相关的压力。总之，延迟点火的概念在各个领域，特别是在工程和燃烧技术中发挥着重要作用。通过理解这一现象的基本机制和影响，专业人士可以开发出更高效、更安全的系统。随着我们不断创新和改进燃烧技术，解决延迟点火所带来的挑战将始终是一个优先事项，确保我们有效利用能源，同时尽量减少风险和环境影响。