firing order

简明释义

发火次序;发射次序

英英释义

例句

1.Understanding the firing order helps in diagnosing engine performance issues.

理解点火顺序有助于诊断发动机性能问题。

2.Refer to the service manual to find the correct firing order for your vehicle.

请查阅服务手册以找到您车辆的正确点火顺序。

3.The mechanic explained the importance of the firing order in ensuring the engine runs smoothly.

机械师解释了点火顺序在确保发动机平稳运行中的重要性。

4.During the repair, they had to double-check the firing order before starting the engine.

在修理过程中，他们在启动发动机之前必须仔细检查点火顺序。

5.If the firing order is incorrect, the engine may misfire and lose power.

如果点火顺序不正确，发动机可能会失火并失去动力。

作文

The internal combustion engine is a marvel of engineering that has powered vehicles for over a century. One of the critical aspects of its design is the firing order, which refers to the sequence in which the engine's cylinders ignite fuel and air to create power. Understanding the firing order is essential not only for engineers but also for automotive enthusiasts who wish to optimize their vehicle's performance.To grasp the significance of the firing order, one must first understand how an engine operates. In a typical four-stroke engine, each cylinder goes through a cycle of intake, compression, power, and exhaust. The timing of these cycles is crucial for smooth operation and maximum efficiency. The firing order determines which cylinder fires at what time, impacting the engine's balance and vibration.For example, in a V8 engine, a common firing order is 1-8-4-3-6-5-7-2. This specific sequence helps distribute power evenly across the crankshaft, minimizing vibrations and ensuring a smooth ride. If the firing order is incorrect, it can lead to rough idling, decreased power output, and increased wear on engine components.Moreover, the firing order plays a vital role in the overall tuning of the engine. Performance modifications, such as changing the camshaft or altering the intake and exhaust systems, may require adjustments to the firing order to maintain optimal performance. For instance, racing engines often have customized firing orders to maximize horsepower and torque at specific RPM ranges.In addition to performance, the firing order affects emissions and fuel efficiency. An engine that fires in an optimal sequence will burn fuel more completely, resulting in lower emissions and better fuel economy. This is increasingly important in today's world, where environmental regulations are becoming stricter.Understanding the firing order is also crucial when diagnosing engine problems. Mechanics often refer to the firing order to identify misfires or other issues that may arise during engine operation. By analyzing the firing order, they can pinpoint which cylinder is underperforming and take appropriate corrective actions.In conclusion, the firing order is a fundamental aspect of engine design that significantly impacts performance, efficiency, and emissions. Whether you are an engineer, a mechanic, or simply a car enthusiast, having a solid understanding of the firing order will enhance your knowledge of how engines work and how to maintain them effectively. As automotive technology continues to evolve, the importance of the firing order will remain a constant in the quest for better performance and sustainability in the automotive industry.

内燃机是一项工程奇迹，已经为车辆提供动力超过一个世纪。其设计的关键方面之一是点火顺序，指的是发动机的气缸点燃燃料和空气以产生动力的顺序。理解点火顺序对于工程师以及希望优化其车辆性能的汽车爱好者来说都至关重要。要理解点火顺序的重要性，首先必须了解发动机的工作原理。在典型的四冲程发动机中，每个气缸经历进气、压缩、功率和排气的循环。这些循环的时机对于平稳运行和最大效率至关重要。点火顺序决定了哪个气缸在什么时间点火，影响发动机的平衡和振动。例如，在V8发动机中，一个常见的点火顺序是1-8-4-3-6-5-7-2。这个特定的顺序有助于均匀分配曲轴上的动力，最小化振动并确保平稳行驶。如果点火顺序不正确，可能导致怠速不稳、功率输出下降以及发动机部件磨损加剧。此外，点火顺序在发动机的整体调校中起着至关重要的作用。性能改装，如更换凸轮轴或改变进气和排气系统，可能需要调整点火顺序以保持最佳性能。例如，赛车发动机通常具有定制的点火顺序，以最大化特定转速范围内的马力和扭矩。除了性能外，点火顺序还影响排放和燃油效率。以最佳顺序点火的发动机会更完全地燃烧燃料，从而减少排放并提高燃油经济性。在今天这个环保法规日益严格的世界里，这一点越来越重要。理解点火顺序在诊断发动机问题时也至关重要。机械师通常参考点火顺序来识别在发动机操作过程中可能出现的失火或其他问题。通过分析点火顺序，他们可以找出哪个气缸表现不佳，并采取适当的纠正措施。总之，点火顺序是发动机设计的基本方面，对性能、效率和排放产生重大影响。无论您是工程师、机械师，还是只是汽车爱好者，扎实理解点火顺序将增强您对发动机工作原理及如何有效维护它们的知识。随着汽车技术的不断发展，点火顺序的重要性将在追求更好性能和可持续性的汽车行业中保持不变。