cylinder mean pressure

简明释义

汽缸平均压力

英英释义

例句

1.A drop in cylinder mean pressure 气缸平均压力 can indicate wear in engine components.

在发动机部件磨损时，气缸平均压力 cylinder mean pressure可能会下降。

2.The engine's performance can be significantly improved by optimizing the cylinder mean pressure 气缸平均压力 during operation.

通过优化运行中的气缸平均压力 cylinder mean pressure，可以显著提高发动机的性能。

3.The cylinder mean pressure 气缸平均压力 is a key factor in determining the power output of an engine.

气缸平均压力 cylinder mean pressure是决定发动机功率输出的关键因素。

4.Engine designers often aim for a higher cylinder mean pressure 气缸平均压力 to enhance efficiency.

发动机设计师通常希望提高气缸平均压力 cylinder mean pressure以增强效率。

5.Monitoring the cylinder mean pressure 气缸平均压力 helps in diagnosing engine issues.

监测气缸平均压力 cylinder mean pressure有助于诊断发动机问题。

作文

In the study of thermodynamics and engine performance, one crucial parameter that engineers and researchers focus on is the cylinder mean pressure. This term refers to the average pressure exerted within the combustion chamber of an internal combustion engine during its operating cycle. Understanding cylinder mean pressure is essential for optimizing engine efficiency, power output, and emissions control.The cylinder mean pressure is calculated by integrating the pressure over the entire cycle of the engine and then averaging it over the duration of that cycle. It provides a more comprehensive picture of the pressure dynamics than simply looking at peak pressures. The significance of this measurement cannot be overstated; it directly influences the torque and horsepower produced by the engine. Higher cylinder mean pressure typically correlates with increased power output, but it must be balanced with considerations for fuel efficiency and engine durability.One of the main factors affecting cylinder mean pressure is the air-fuel mixture ratio. An optimal mixture ensures complete combustion, which maximizes pressure generation while minimizing unburned fuel and harmful emissions. Additionally, the timing of the ignition plays a vital role; if the spark occurs too early or too late, it can lead to inefficient combustion and fluctuations in cylinder mean pressure.Another critical aspect is the design of the engine itself. Factors such as cylinder size, shape, and the materials used can significantly impact the cylinder mean pressure. For instance, larger cylinders may hold more air-fuel mixture, leading to higher potential pressures. However, they also require more robust materials to withstand these pressures without failing. Engineers must carefully consider these parameters when designing engines to ensure they meet performance and safety standards.Moreover, advancements in technology have introduced various methods to monitor and optimize cylinder mean pressure. Modern engines often utilize sensors and computer systems to adjust parameters in real-time, allowing for dynamic tuning that can enhance performance and efficiency. This capability is particularly important in high-performance applications where every bit of power counts.In conclusion, the concept of cylinder mean pressure is fundamental in understanding engine performance. It serves as a key indicator of how effectively an engine converts fuel into mechanical energy. By analyzing and optimizing cylinder mean pressure, engineers can develop engines that are not only more powerful but also more efficient and environmentally friendly. As the automotive industry continues to evolve, the importance of mastering metrics like cylinder mean pressure will only grow, paving the way for innovations in engine design and fuel technology.

在热力学和发动机性能的研究中，工程师和研究人员关注的一个关键参数是气缸平均压力。这个术语指的是内燃机在其工作循环中燃烧室内施加的平均压力。理解气缸平均压力对于优化发动机效率、功率输出和排放控制至关重要。气缸平均压力是通过对整个发动机周期内的压力进行积分，然后将其平均化来计算的。与仅查看峰值压力相比，它提供了更全面的压力动态图景。这一测量的重要性不言而喻；它直接影响发动机产生的扭矩和马力。较高的气缸平均压力通常与增加的功率输出相关，但必须与燃油效率和发动机耐用性考虑相平衡。影响气缸平均压力的主要因素之一是空气-燃料混合比。最佳混合确保完全燃烧，从而最大限度地提高压力生成，同时最小化未燃烧的燃料和有害排放。此外，点火时机也起着至关重要的作用；如果火花过早或过晚，可能导致燃烧效率低下和气缸平均压力的波动。另一个关键方面是发动机本身的设计。气缸的大小、形状以及所用材料等因素会显著影响气缸平均压力。例如，较大的气缸可能容纳更多的空气-燃料混合物，从而导致更高的潜在压力。然而，它们也需要更强的材料以承受这些压力而不发生故障。工程师在设计发动机时必须仔细考虑这些参数，以确保它们符合性能和安全标准。此外，技术的进步引入了多种监测和优化气缸平均压力的方法。现代发动机通常利用传感器和计算机系统实时调整参数，允许动态调谐，从而增强性能和效率。这种能力在高性能应用中特别重要，因为每一点功率都至关重要。总之，气缸平均压力的概念在理解发动机性能方面是基础性的。它作为发动机将燃料转化为机械能的有效性的重要指标。通过分析和优化气缸平均压力，工程师可以开发出不仅更强大，而且更高效和环保的发动机。随着汽车工业的不断发展，掌握像气缸平均压力这样的指标的重要性只会增加，为发动机设计和燃料技术的创新铺平道路。