mean effective pressure

简明释义

平均有效压力

英英释义

例句

1.To improve fuel efficiency, engineers often aim to optimize the mean effective pressure (平均有效压力) in combustion engines.

为了提高燃油效率，工程师通常旨在优化燃烧发动机中的mean effective pressure (平均有效压力)。

2.The mean effective pressure (平均有效压力) can be influenced by factors such as engine design and operating conditions.

发动机设计和操作条件等因素可以影响mean effective pressure (平均有效压力)。

3.Researchers are studying how variations in mean effective pressure (平均有效压力) affect engine durability.

研究人员正在研究mean effective pressure (平均有效压力) 的变化如何影响发动机耐久性。

4.The engine's performance can be evaluated by calculating the mean effective pressure (平均有效压力) during its operation.

通过计算发动机运行期间的mean effective pressure (平均有效压力)，可以评估其性能。

5.In thermodynamics, the mean effective pressure (平均有效压力) is crucial for understanding the efficiency of heat engines.

在热力学中，mean effective pressure (平均有效压力) 对于理解热机的效率至关重要。

作文

Understanding the concept of mean effective pressure is crucial for those involved in engineering and thermodynamics, particularly in the field of internal combustion engines. The term refers to the average pressure in the combustion chamber during a complete engine cycle, which plays a significant role in determining the efficiency and performance of an engine. In essence, mean effective pressure (MEP) can be seen as a measure of how effectively the engine converts the energy from fuel into mechanical work. To further elaborate, mean effective pressure is calculated by taking the work done during one complete cycle and dividing it by the displacement volume of the engine. This ratio provides a clear indication of the engine's performance characteristics. A higher mean effective pressure typically indicates a more powerful engine, as it suggests that more work is being extracted from the combustion process relative to the engine's size. In practical terms, engineers often strive to optimize the mean effective pressure in order to enhance engine efficiency. This involves fine-tuning various parameters such as fuel injection timing, air-fuel mixture ratios, and ignition timing. By maximizing the mean effective pressure, an engine can achieve better fuel economy and reduced emissions, making it not only more efficient but also more environmentally friendly. Moreover, understanding mean effective pressure helps engineers diagnose engine problems. For instance, if the MEP is lower than expected, it could indicate issues such as incomplete combustion, poor fuel quality, or mechanical inefficiencies within the engine. By analyzing these factors, engineers can implement corrective measures to restore optimal performance. The implications of mean effective pressure extend beyond just internal combustion engines. It is also relevant in other applications such as steam turbines and gas turbines, where similar principles apply. In these systems, the average pressure exerted during the thermodynamic cycle is critical for assessing overall performance and efficiency. In conclusion, the concept of mean effective pressure is a fundamental aspect of engine design and performance analysis. By understanding and optimizing this parameter, engineers can significantly enhance the efficiency and effectiveness of various power generation systems. As technology continues to evolve, the importance of mastering concepts like mean effective pressure will only grow, paving the way for innovations that will lead to cleaner and more efficient energy solutions. In summary, mean effective pressure (均有效压力) serves as a vital indicator of engine performance and efficiency, influencing both design and operational strategies in modern engineering practices.

理解均有效压力的概念对于从事工程和热力学，特别是内燃机领域的人士至关重要。该术语指的是在完整的发动机循环中，燃烧室内的平均压力，这在决定发动机的效率和性能方面发挥着重要作用。从本质上讲，均有效压力（MEP）可以被视为一种衡量发动机如何有效地将燃料中的能量转化为机械功的指标。进一步阐述，均有效压力是通过将一个完整周期内所做的功除以发动机的排量体积来计算的。这个比率清晰地表明了发动机的性能特征。更高的均有效压力通常表示更强大的发动机，因为它表明相对于发动机的大小，更多的功被提取自燃烧过程。在实际应用中，工程师通常努力优化均有效压力以提高发动机效率。这涉及微调各种参数，如燃油喷射时机、空气-燃料混合比和点火时机。通过最大化均有效压力，发动机可以实现更好的燃油经济性和减少排放，使其不仅更高效，而且更环保。此外，理解均有效压力有助于工程师诊断发动机问题。例如，如果MEP低于预期，则可能表明存在不完全燃烧、燃油质量差或发动机内部机械效率低下等问题。通过分析这些因素，工程师可以实施纠正措施，以恢复最佳性能。均有效压力的影响不仅限于内燃机。它在蒸汽涡轮和燃气涡轮等其他应用中也具有相关性，在这些系统中，热力学循环中施加的平均压力对于评估整体性能和效率至关重要。总之，均有效压力的概念是发动机设计和性能分析的基本方面。通过理解和优化这一参数，工程师可以显著提高各种发电系统的效率和有效性。随着技术的不断发展，掌握像均有效压力这样的概念的重要性只会增加，为通向更清洁、更高效的能源解决方案的创新铺平道路。总之，均有效压力（均有效压力）作为发动机性能和效率的重要指标，影响着现代工程实践中的设计和操作策略。