mean effective horsepower

简明释义

平均有效马力

英英释义

例句

1.When comparing different vehicles, it's important to consider the mean effective horsepower for an accurate assessment of their capabilities.

在比较不同车辆时，考虑平均有效马力对于准确评估它们的能力是很重要的。

2.In racing, teams often optimize their cars based on mean effective horsepower to gain a competitive edge.

在赛车中，车队通常根据平均有效马力来优化他们的汽车，以获得竞争优势。

3.The mean effective horsepower of this model has increased due to improvements in engine design.

由于发动机设计的改进，这款车型的平均有效马力有所提高。

4.The engine's performance can be evaluated by its mean effective horsepower, which indicates the average power output during a complete cycle.

发动机的性能可以通过其平均有效马力来评估，这表明在一个完整循环中的平均功率输出。

5.A higher mean effective horsepower typically translates to better acceleration and overall performance.

更高的平均有效马力通常意味着更好的加速和整体性能。

作文

The concept of mean effective horsepower is crucial in understanding the performance of internal combustion engines. It refers to the average power output of an engine over a specific period, typically measured during a complete engine cycle. This measurement helps engineers and manufacturers gauge how efficiently an engine converts fuel into usable power. Unlike peak horsepower, which may only be achieved under optimal conditions, mean effective horsepower provides a more realistic view of an engine's capabilities under various operating conditions.To delve deeper into this concept, we must first understand what horsepower means in general. Horsepower is a unit of measurement that quantifies the power produced by an engine. It indicates how much work an engine can do in a given timeframe. However, simply looking at the maximum horsepower does not give a complete picture of an engine's efficiency and performance. This is where mean effective horsepower comes into play.The calculation of mean effective horsepower involves several factors, including engine displacement, speed, and torque. The formula for calculating it is: MEP = (2 × π × Torque × Engine Speed) / 33,000Where MEP is the mean effective pressure, Torque is measured in foot-pounds, and Engine Speed is measured in revolutions per minute (RPM). This formula allows engineers to determine the average pressure exerted on the pistons throughout the engine cycle, giving insights into the engine’s overall performance.One of the significant advantages of using mean effective horsepower is its ability to compare different engines under similar conditions. For instance, when evaluating two engines with different designs or configurations, the mean effective horsepower can provide a fair comparison of their performance capabilities. It allows consumers and manufacturers to make informed decisions based on efficiency rather than just raw power figures.Moreover, mean effective horsepower plays a vital role in the automotive industry, particularly in the design and tuning of engines. Engineers aim to enhance this metric to improve fuel efficiency and reduce emissions. By optimizing the mean effective horsepower, manufacturers can create engines that not only deliver power but also adhere to environmental regulations and consumer demands for sustainability.In racing and high-performance applications, the importance of mean effective horsepower becomes even more pronounced. Racers and teams analyze this metric to fine-tune their engines for maximum efficiency and speed on the track. Understanding how to manipulate variables such as fuel type, ignition timing, and air-fuel ratios can lead to significant improvements in mean effective horsepower, ultimately giving competitors an edge.In conclusion, the term mean effective horsepower encapsulates a vital aspect of engine performance that extends beyond mere numbers. It offers a comprehensive view of how well an engine performs over its entire operating range, allowing for better comparisons, optimizations, and innovations in engine design. As the automotive industry continues to evolve, the significance of mean effective horsepower will only grow, driving advancements in technology and efficiency that benefit both consumers and the environment.

“平均有效马力”这个概念对于理解内燃机的性能至关重要。它指的是在特定时间段内，通常是在整个发动机循环期间，发动机的平均功率输出。这一测量帮助工程师和制造商评估发动机将燃料转化为可用动力的效率。与可能仅在最佳条件下达到的峰值马力不同，“平均有效马力”提供了在各种操作条件下发动机能力的更现实的视角。为了更深入地理解这一概念，我们必须首先了解马力的含义。马力是一个量度单位，用于量化发动机产生的功率。它表示发动机在给定时间内可以完成多少工作。然而，仅仅查看最大马力并不能全面反映发动机的效率和性能。这就是“平均有效马力”发挥作用的地方。“平均有效马力”的计算涉及多个因素，包括发动机排量、转速和扭矩。计算公式为：MEP = (2 × π × 扭矩 × 发动机转速) / 33,000其中MEP是平均有效压力，扭矩以英尺-磅为单位，发动机转速以每分钟转数（RPM）为单位。这个公式使工程师能够确定在整个发动机循环中施加在活塞上的平均压力，从而深入了解发动机的整体性能。使用“平均有效马力”的一个显著优势是能够在类似条件下比较不同的发动机。例如，在评估两种不同设计或配置的发动机时，“平均有效马力”可以提供其性能能力的公平比较。它使消费者和制造商能够根据效率而不仅仅是原始功率数据做出明智的决策。此外，“平均有效马力”在汽车工业中也起着至关重要的作用，特别是在发动机的设计和调校方面。工程师们旨在提升这一指标，以改善燃油效率并减少排放。通过优化“平均有效马力”，制造商可以创造出不仅提供动力，还符合环保法规和消费者对可持续性需求的发动机。在赛车和高性能应用中，“平均有效马力”的重要性变得更加突出。赛车手和团队分析这一指标，以微调他们的发动机，实现赛道上的最大效率和速度。了解如何操控燃料类型、点火时机和空气燃料比等变量，可以显著提高“平均有效马力”，最终为竞争者提供优势。总之，“平均有效马力”这一术语涵盖了发动机性能的一个重要方面，超越了简单的数据。它提供了关于发动机在整个操作范围内性能的全面视角，使得更好的比较、优化和创新成为可能。随着汽车工业的不断发展，“平均有效马力”的重要性只会增加，推动技术和效率的进步，造福消费者和环境。