injection advance angle

简明释义

喷射提前角

英英释义

例句

1.The engine's performance can be optimized by adjusting the injection advance angle.

通过调整喷油提前角，可以优化发动机的性能。

2.During the tuning process, we adjusted the injection advance angle for better throttle response.

在调校过程中，我们调整了喷油提前角以获得更好的油门响应。

3.The technician measured the injection advance angle to ensure it met the manufacturer's specifications.

技术员测量了喷油提前角以确保符合制造商的规格。

4.An incorrect injection advance angle can lead to engine knocking.

不正确的喷油提前角可能导致发动机敲击。

5.A correct injection advance angle is crucial for achieving efficient combustion.

正确的喷油提前角对实现高效燃烧至关重要。

作文

The concept of injection advance angle is crucial in the field of internal combustion engines, particularly in optimizing performance and efficiency. The injection advance angle refers to the timing of fuel injection relative to the position of the piston in the cylinder. Specifically, it determines how early the fuel is injected into the combustion chamber before the piston reaches its top dead center (TDC). This timing is essential because it directly influences the combustion process, which subsequently affects engine power, emissions, and fuel consumption.Understanding the injection advance angle is vital for engineers and mechanics when tuning an engine. If the injection occurs too late, the fuel may not burn completely, leading to unburned hydrocarbons and increased emissions. Conversely, if the injection happens too early, it can cause knocking or pre-ignition, which can damage the engine over time. Therefore, finding the optimal injection advance angle is a balancing act that requires precise calibration.Modern engines often utilize advanced technologies such as electronic fuel injection (EFI) systems that can automatically adjust the injection advance angle based on various parameters, including engine speed, load, and temperature. This adaptability allows for improved performance across different driving conditions. For instance, during acceleration, the system may advance the injection angle to provide a more powerful thrust, while during cruising, it may retard the angle to enhance fuel efficiency.Moreover, the injection advance angle is not only significant for performance but also plays a role in meeting stringent emission regulations. As environmental concerns grow, manufacturers are under pressure to produce cleaner engines. Optimizing the injection advance angle can help reduce harmful emissions by ensuring more efficient combustion. This is particularly important in diesel engines, where the timing of fuel injection is critical for reducing soot and nitrogen oxide (NOx) emissions.In addition, the injection advance angle can be influenced by various factors, including fuel characteristics, engine design, and operating conditions. For example, using high-quality fuels with better combustion properties can allow for a more aggressive advance angle without risking engine knock. On the other hand, older engines may require a more conservative approach due to wear and tear that can affect combustion stability.In conclusion, the injection advance angle is a fundamental parameter in the operation of internal combustion engines. It plays a pivotal role in ensuring optimal performance, fuel efficiency, and compliance with emission standards. As technology continues to evolve, understanding and mastering the injection advance angle will remain essential for anyone involved in automotive engineering or maintenance. By fine-tuning this aspect of engine operation, we can achieve a balance between power and efficiency, ultimately leading to better-performing and more environmentally friendly vehicles.

“喷油提前角”这一概念在内燃机领域至关重要，特别是在优化性能和效率方面。“喷油提前角”指的是燃油喷射相对于气缸中活塞位置的时机。具体而言，它决定了燃油在活塞达到上死点（TDC）之前多早被喷入燃烧室。这个时机是至关重要的，因为它直接影响燃烧过程，从而影响发动机功率、排放和燃油消耗。理解“喷油提前角”对于工程师和机械师在调校发动机时至关重要。如果喷油发生得太晚，燃油可能无法完全燃烧，导致未燃烧的碳氢化合物和增加的排放。相反，如果喷油发生得太早，可能会导致敲击或提前点火，从而可能对发动机造成长期损害。因此，找到最佳的“喷油提前角”是一项需要精确校准的平衡工作。现代发动机通常采用先进的技术，如电子燃油喷射（EFI）系统，可以根据各种参数（包括发动机转速、负荷和温度）自动调整“喷油提前角”。这种适应性允许在不同驾驶条件下改善性能。例如，在加速期间，系统可能会提前喷油角度以提供更强的推力，而在巡航期间，则可能会延迟角度以提高燃油效率。此外，“喷油提前角”不仅对性能重要，还在满足严格的排放法规中发挥作用。随着环境问题的日益严重，制造商面临生产更清洁发动机的压力。优化“喷油提前角”可以通过确保更高效的燃烧来帮助减少有害排放。这在柴油发动机中尤其重要，因为燃油喷射的时机对于减少烟尘和氮氧化物（NOx）排放至关重要。此外，“喷油提前角”还会受到多种因素的影响，包括燃料特性、发动机设计和操作条件。例如，使用具有更好燃烧特性的高品质燃料可以使喷油角度更加激进，而不会冒着发动机敲击的风险。另一方面，旧发动机可能由于磨损而需要更加保守的方法，以保证燃烧的稳定性。总之，“喷油提前角”是内燃机运行中的一个基本参数。它在确保最佳性能、燃油效率和符合排放标准方面发挥着关键作用。随着技术的不断发展，理解和掌握“喷油提前角”将始终是任何参与汽车工程或维护的人所必需的。通过微调发动机操作的这一方面，我们可以在动力和效率之间实现平衡，最终导致性能更好、更加环保的车辆。