unit horse-power

简明释义

单位马力

英英释义

例句

1.The engine produces a maximum power of 300 unit horse-power.

这台发动机的最大功率为300单位马力。

2.Many vehicles are rated in unit horse-power to indicate their performance capabilities.

许多车辆的性能能力以单位马力来表示。

3.To convert the power output to unit horse-power, we need to divide by 746.

要将功率输出转换为单位马力，我们需要除以746。

4.Understanding unit horse-power is crucial for comparing different machines.

理解单位马力对比较不同机器至关重要。

5.A typical lawnmower has an engine that generates about 5 unit horse-power.

一台典型的割草机的发动机产生大约5单位马力。

作文

The concept of unit horse-power is fundamental in understanding the power output of engines and machinery. In essence, unit horse-power refers to a specific measurement of power that is often used to quantify the performance of various mechanical systems. One horse-power is defined as 550 foot-pounds per second, which means that it represents the ability to do work at a rate of 550 foot-pounds in one second. This unit was originally developed in the late 18th century by James Watt, who sought to compare the power of steam engines to that of draft horses. Understanding unit horse-power is crucial for engineers and designers when they are tasked with creating machines that require a certain level of power to operate efficiently. For instance, when designing a car engine, engineers must determine how much unit horse-power is necessary to achieve desired speed and acceleration. If an engine produces too little unit horse-power, the vehicle may struggle to reach its potential performance levels. Conversely, if it produces too much, it can lead to inefficiencies and increased fuel consumption.Moreover, unit horse-power is not only applicable to automotive engineering but also extends to various fields such as aerospace, manufacturing, and even household appliances. For example, when purchasing a lawn mower, consumers often look for the unit horse-power rating to gauge its effectiveness. A higher unit horse-power rating typically indicates a more powerful machine capable of handling tougher tasks. In addition to its practical applications, the unit horse-power measurement serves as a common language among engineers and technicians. When discussing the specifications of a machine, using unit horse-power allows for a clear understanding of its capabilities. This standardization helps in comparing different machines and making informed decisions regarding purchases or upgrades. Furthermore, the relevance of unit horse-power has evolved with advancements in technology. Today, we have electric motors and hybrid systems that may not directly relate to traditional definitions of horse-power. However, the concept remains valuable as it provides a benchmark for evaluating performance across various types of machinery. Engineers often convert electric power ratings into unit horse-power to maintain consistency in performance comparisons.In conclusion, the term unit horse-power encapsulates a significant aspect of mechanical engineering and design. Its historical roots and continued relevance in modern technology highlight its importance in measuring power output. Whether in automotive applications, industrial machinery, or everyday appliances, understanding unit horse-power enables individuals to make informed decisions and appreciate the engineering behind the machines that enhance our daily lives.

“单位马力”的概念在理解发动机和机械的功率输出方面至关重要。实际上，“单位马力”是指一种特定的功率测量，通常用于量化各种机械系统的性能。一马力被定义为每秒550英尺-磅，这意味着它代表以每秒550英尺-磅的速率做功的能力。这个单位最初是在18世纪末由詹姆斯·瓦特提出的，他试图将蒸汽机的功率与拉马的功率进行比较。理解“单位马力”对于工程师和设计师在创建需要一定功率以高效运行的机器时至关重要。例如，在设计汽车发动机时，工程师必须确定所需的“单位马力”以实现期望的速度和加速。如果发动机产生的“单位马力”太少，车辆可能难以达到其潜在的性能水平。相反，如果产生的“单位马力”过多，则可能导致低效和增加燃油消耗。此外，“单位马力”不仅适用于汽车工程，还扩展到航空航天、制造业甚至家用电器等各个领域。例如，在购买割草机时，消费者通常会查看“单位马力”评级以评估其有效性。较高的“单位马力”评级通常表示更强大的机器，能够处理更艰巨的任务。除了实际应用外，“单位马力”测量也为工程师和技术人员提供了共同的语言。在讨论机器的规格时，使用“单位马力”可以清楚地了解其能力。这种标准化有助于比较不同的机器，并在购买或升级时做出明智的决定。此外，随着技术的进步，“单位马力”的相关性也在不断演变。今天，我们有电动机和混合动力系统，这些系统可能与传统的马力定义没有直接关系。然而，这一概念依然具有价值，因为它为评估各类机械的性能提供了基准。工程师通常将电力评级转换为“单位马力”，以保持性能比较的一致性。总之，“单位马力”这一术语涵盖了机械工程和设计的重要方面。它的历史根源和在现代技术中的持续相关性凸显了其在测量功率输出方面的重要性。在汽车应用、工业机械或日常家电中，理解“单位马力”使个人能够做出明智的决策，并欣赏增强我们日常生活的机器背后的工程技术。