cold-starting engine

简明释义

冷起动机

英英释义

A cold-starting engine refers to an internal combustion engine that is started when it is at a low temperature, typically after being turned off for a significant period of time, resulting in increased wear and emissions during initial operation.

冷启动发动机是指在低温下启动的内燃发动机,通常是在关闭一段时间后启动,这会导致初始运行时增加磨损和排放。

例句

1.When temperatures drop below freezing, a cold-starting engine 冷启动引擎 may struggle to turn over.

当温度降到冰点以下时,冷启动引擎 cold-starting engine 可能难以启动。

2.Many car manufacturers recommend specific procedures for starting a cold-starting engine 冷启动引擎 in cold weather.

许多汽车制造商建议在寒冷天气中启动冷启动引擎 cold-starting engine 时遵循特定程序。

3.If you find your cold-starting engine 冷启动引擎 is not responding, check the battery and fuel levels.

如果你发现你的冷启动引擎 cold-starting engine 没有反应,请检查电池和燃油水平。

4.A well-maintained vehicle will have fewer issues with its cold-starting engine 冷启动引擎 in harsh climates.

保养良好的车辆在恶劣气候下其冷启动引擎 cold-starting engine 会遇到更少的问题。

5.To improve performance, it's essential to use the right oil for your cold-starting engine 冷启动引擎 during winter months.

为了提高性能,在冬季使用适合的油对于你的冷启动引擎 cold-starting engine 是至关重要的。

作文

The concept of a cold-starting engine refers to an engine that has not been run for a significant amount of time and is starting from a completely cool state. This situation often occurs in the early morning when a vehicle has been parked overnight. The cold-starting engine requires more fuel to start and can produce higher emissions compared to a warm engine. Understanding how a cold-starting engine operates is crucial for both environmental considerations and engine maintenance.In colder climates, the challenges associated with a cold-starting engine become even more pronounced. When temperatures drop, the viscosity of engine oil increases, making it thicker and more difficult for the engine components to move freely. This can lead to increased wear and tear on the engine parts during the initial moments of operation. Furthermore, the battery's efficiency decreases in cold weather, which can make it harder to crank the engine. Therefore, drivers in these regions often need to take additional steps, such as using block heaters or ensuring their batteries are in good condition, to facilitate the starting process.From an environmental perspective, a cold-starting engine can contribute to higher levels of pollutants being released into the atmosphere. During the first few minutes of operation, the engine runs rich, meaning it uses more fuel than necessary, resulting in incomplete combustion. This leads to the emission of hydrocarbons, carbon monoxide, and nitrogen oxides, which are harmful to both human health and the environment. As such, many modern vehicles are equipped with advanced technologies designed to minimize the impact of cold-starting engines. These technologies include improved fuel injection systems and catalytic converters that heat up quickly to reduce emissions.To address the issues associated with cold-starting engines, manufacturers have developed various strategies. One common approach is to enhance the engine's design with features that promote easier starting in cold conditions. For instance, some engines come with glow plugs that preheat the combustion chamber, making it easier for the engine to ignite the fuel. Additionally, synthetic oils are often recommended for use in colder climates, as they maintain better flow characteristics at low temperatures compared to conventional oils.Moreover, regular maintenance is essential for ensuring that a cold-starting engine performs optimally. This includes checking the battery's health, ensuring proper oil viscosity, and keeping the fuel system clean. Drivers should also be aware of the importance of letting the engine warm up before driving off, as this allows the oil to circulate properly and reduces wear on the engine components.In conclusion, the phenomenon of a cold-starting engine presents several challenges that can affect both vehicle performance and environmental health. By understanding the mechanics behind a cold-starting engine, drivers can take proactive measures to mitigate its effects. This not only prolongs the life of the engine but also contributes to a cleaner environment. As technology advances, we can expect further innovations designed to improve the efficiency and reduce the emissions of cold-starting engines, making our roads safer and our air cleaner.

“冷启动发动机”的概念是指长时间未运行且从完全冷却状态下启动的发动机。这种情况通常发生在早晨,当一辆车在夜间停放时。“冷启动发动机”启动时需要更多燃料,并且与热发动机相比,可能会产生更高的排放。理解“冷启动发动机”的工作原理对于环境考虑和发动机维护至关重要。在寒冷气候中,与“冷启动发动机”相关的挑战变得更加明显。当温度下降时,发动机油的粘度增加,使其变得更厚,导致发动机部件难以自由移动。这可能导致在操作初期对发动机部件的磨损增加。此外,电池在寒冷天气中的效率降低,这可能使发动机更难以启动。因此,这些地区的驾驶者通常需要采取额外措施,例如使用发动机加热器或确保电池状况良好,以促进启动过程。从环境角度来看,“冷启动发动机”可能会导致更高水平的污染物释放到大气中。在操作的头几分钟内,发动机运行富油,意味着它使用的燃料超过必要量,从而导致不完全燃烧。这导致了烃类、一氧化碳和氮氧化物的排放,这些物质对人类健康和环境有害。因此,许多现代车辆配备了先进技术,旨在最小化“冷启动发动机”的影响。这些技术包括改进的燃油喷射系统和快速加热的催化转换器,以减少排放。为了应对与“冷启动发动机”相关的问题,制造商开发了各种策略。一种常见的方法是增强发动机设计,具有促进在寒冷条件下更容易启动的特性。例如,一些发动机配备了预热塞,可以预热燃烧室,使发动机更容易点燃燃料。此外,通常建议在寒冷气候中使用合成油,因为与传统油相比,它们在低温下保持更好的流动特性。此外,定期维护对于确保“冷启动发动机”最佳性能至关重要。这包括检查电池健康状况、确保适当的油粘度以及保持燃油系统清洁。驾驶者还应该意识到,在出发前让发动机预热的重要性,因为这可以使油正常循环并减少发动机部件的磨损。总之,“冷启动发动机”现象带来了几个挑战,这些挑战可能影响车辆性能和环境健康。通过理解“冷启动发动机”背后的机制,驾驶者可以采取积极措施来减轻其影响。这不仅延长了发动机的使用寿命,也有助于创造一个更清洁的环境。随着技术的进步,我们可以期待进一步的创新,旨在提高“冷启动发动机”的效率并减少其排放,使我们的道路更安全,空气更清新。