equivalent mean effective pressure

简明释义

相当平均有效压力

英英释义

例句

1.In this study, we measured the equivalent mean effective pressure (等效平均有效压力) to assess the impact of different fuels on engine performance.

在这项研究中，我们测量了等效平均有效压力 (equivalent mean effective pressure) 以评估不同燃料对发动机性能的影响。

2.Calculating the equivalent mean effective pressure (等效平均有效压力) helps engineers optimize fuel efficiency in internal combustion engines.

计算等效平均有效压力 (equivalent mean effective pressure) 有助于工程师优化内燃机的燃油效率。

3.The equivalent mean effective pressure (等效平均有效压力) is a crucial factor in determining the overall efficiency of a power cycle.

在确定动力循环的整体效率时，等效平均有效压力 (equivalent mean effective pressure) 是一个关键因素。

4.The engine's performance can be evaluated using the equivalent mean effective pressure (等效平均有效压力) to compare different designs.

通过使用等效平均有效压力 (equivalent mean effective pressure) 来评估发动机的性能，以便比较不同的设计。

5.To improve the thermal efficiency, the team focused on increasing the equivalent mean effective pressure (等效平均有效压力) of the engine.

为了提高热效率，团队专注于增加发动机的等效平均有效压力 (equivalent mean effective pressure)。

作文

In the field of thermodynamics and engine performance analysis, one often encounters the term equivalent mean effective pressure. This concept plays a crucial role in assessing the efficiency and performance of various engines, particularly internal combustion engines. To understand this term better, we must first break down its components. The term 'mean effective pressure' (MEP) refers to the average pressure in the combustion chamber during a complete engine cycle, which is essential for determining the engine's power output. However, the 'equivalent mean effective pressure' extends this idea by allowing comparisons between different engines or cycles under varying conditions.The equivalent mean effective pressure is a theoretical value that represents the mean effective pressure an engine would produce if it operated under ideal conditions. This means that it accounts for factors such as fuel type, combustion efficiency, and specific engine design characteristics. By using this measure, engineers can evaluate the performance of an engine more accurately, regardless of the variations in operating conditions. For instance, two engines might have different designs and fuel types, but by calculating their equivalent mean effective pressure, one can determine which engine is more efficient in converting fuel into useful work.One of the significant advantages of utilizing equivalent mean effective pressure is its ability to standardize performance metrics across different engines. This standardization is particularly valuable when comparing engines used in various applications, such as automotive, aviation, or marine propulsion. Engineers can use this metric to identify trends in engine performance and make informed decisions about design improvements or modifications.Furthermore, the equivalent mean effective pressure can also aid in the optimization of engine parameters. By analyzing how changes in design or operating conditions affect this pressure, engineers can fine-tune engine performance to achieve better fuel efficiency and lower emissions. For instance, adjusting the compression ratio or optimizing the fuel-air mixture can lead to a higher equivalent mean effective pressure, indicating a more efficient engine.In conclusion, understanding the concept of equivalent mean effective pressure is essential for anyone involved in engine design and performance analysis. This metric not only provides insights into the efficiency of an engine but also allows for meaningful comparisons across different types of engines. As the automotive industry continues to evolve with new technologies and stricter environmental regulations, the importance of metrics like equivalent mean effective pressure will only grow, guiding engineers toward more efficient and sustainable engine designs.

在热力学和发动机性能分析领域，人们常常会遇到术语等效平均有效压力。这个概念在评估各种发动机的效率和性能方面起着至关重要的作用，特别是内燃发动机。要更好地理解这个术语，我们首先必须拆分它的组成部分。“平均有效压力”（MEP）指的是在完整的发动机循环中，燃烧室内的平均压力，这对于确定发动机的功率输出至关重要。然而，“等效平均有效压力”则扩展了这一概念，使得在不同条件下对比不同的发动机或循环成为可能。等效平均有效压力是一个理论值，代表发动机在理想条件下所产生的平均有效压力。这意味着它考虑了燃料类型、燃烧效率和特定发动机设计特征等因素。通过使用这个指标，工程师可以更准确地评估发动机的性能，而不论操作条件的变化。例如，两个发动机可能具有不同的设计和燃料类型，但通过计算它们的等效平均有效压力，可以判断哪个发动机在将燃料转化为有用功方面更高效。利用等效平均有效压力的一个显著优势是它能够标准化不同发动机之间的性能指标。这种标准化在比较用于各种应用（如汽车、航空或海洋推进）的发动机时尤其有价值。工程师可以使用这个指标来识别发动机性能的趋势，并就设计改进或修改做出明智的决策。此外，等效平均有效压力还可以帮助优化发动机参数。通过分析设计或操作条件的变化如何影响这一压力，工程师可以微调发动机性能，以实现更好的燃油效率和更低的排放。例如，调整压缩比或优化燃油-空气混合物可以导致更高的等效平均有效压力，这表明发动机更高效。总之，理解等效平均有效压力的概念对于任何参与发动机设计和性能分析的人都是至关重要的。这个指标不仅提供了对发动机效率的洞察，还允许在不同类型的发动机之间进行有意义的比较。随着汽车工业在新技术和更严格的环境法规下不断发展，像等效平均有效压力这样的指标的重要性只会增加，引导工程师朝着更高效和可持续的发动机设计迈进。