nominal horsepower

简明释义

标称马力

英英释义

例句

1.In marine engines, the nominal horsepower is crucial for determining the vessel's performance and efficiency.

在船舶发动机中，额定马力对确定船只的性能和效率至关重要。

2.The engine's performance is rated at 300 nominal horsepower, indicating its standard output under optimal conditions.

该发动机的性能被评定为300额定马力，表示其在最佳条件下的标准输出。

3.When comparing vehicles, it's important to consider the nominal horsepower for a fair assessment of their capabilities.

在比较车辆时，考虑额定马力对于公平评估它们的性能非常重要。

4.The nominal horsepower rating helps consumers understand the power output they can expect from their appliances.

该额定马力评级帮助消费者了解他们可以期待的电器功率输出。

5.The manufacturer claims that the new sports car has a nominal horsepower of 500, making it one of the most powerful in its class.

制造商声称这款新跑车的额定马力为500，使其成为同类中最强大的车型之一。

作文

Understanding the concept of nominal horsepower is essential for anyone involved in the automotive or mechanical engineering fields. Nominal horsepower refers to the standardized measure of a motor's power output. Unlike actual horsepower, which can vary based on operating conditions, nominal horsepower provides a consistent reference point for comparing different engines or motors. This term is particularly important in industries where performance specifications are critical, such as in automotive design, manufacturing, and marketing.The term 'horsepower' itself has a rich history, originating from the late 18th century when James Watt, a Scottish engineer, sought to market his steam engines. He needed a way to compare the power of his engines to that of draft horses, which were commonly used for heavy lifting at the time. Thus, he calculated that one horse could turn a mill wheel of a specific size at a certain rate, leading to the establishment of the unit we know today as horsepower. However, as technology evolved, so did the need for more precise measurements, resulting in the introduction of nominal horsepower.In practical terms, nominal horsepower is often used to describe the power output of an engine under specific test conditions, which are usually defined by industry standards. For instance, car manufacturers will often advertise their vehicles' nominal horsepower figures, allowing consumers to make informed decisions based on perceived performance. This figure does not account for variables like temperature, altitude, or engine wear, which can affect actual performance. Therefore, understanding this distinction is crucial for consumers and engineers alike.Moreover, nominal horsepower plays a significant role in regulatory standards. Many countries have established guidelines that dictate how power output should be measured and reported. This ensures consistency across the industry, making it easier for consumers to compare vehicles and for manufacturers to adhere to regulations. For example, in some regions, emissions regulations are tied to the nominal horsepower of an engine, influencing both design and marketing strategies.In addition to its use in automobiles, nominal horsepower is also applicable in various other fields, including marine engines, industrial machinery, and even electrical generators. Each of these applications requires a clear understanding of power output to ensure safety and efficiency. Engineers often rely on nominal horsepower when designing systems to ensure they meet the necessary power requirements without exceeding limits that could lead to mechanical failure or inefficiencies.In conclusion, grasping the meaning and implications of nominal horsepower is vital for professionals in engineering and automotive fields. It serves as a benchmark for evaluating engine performance and ensures compliance with industry standards. As technology continues to advance, the importance of accurate power measurement will only increase, further solidifying the relevance of nominal horsepower in our understanding of machinery and vehicles. By recognizing the significance of this term, individuals can better navigate the complexities of power output and make informed decisions in their respective industries.

理解标称马力这一概念对于任何参与汽车或机械工程领域的人来说都是至关重要的。标称马力指的是电动机功率输出的标准化测量。与实际马力不同，实际马力会根据操作条件而有所变化，而标称马力提供了一个一致的参考点，用于比较不同的发动机或电动机。这个术语在性能规格至关重要的行业中尤其重要，例如汽车设计、制造和营销。“马力”这个术语本身有着丰富的历史，起源于18世纪末，当时苏格兰工程师詹姆斯·瓦特想要推销他的蒸汽机。他需要一种方法来将他的发动机的功率与当时普遍用于重物搬运的拉马进行比较。因此，他计算出一匹马可以以特定的速度转动特定尺寸的磨轮，从而建立了我们今天所知的马力单位。然而，随着技术的发展，对更精确测量的需求也随之增加，导致了标称马力的引入。在实际应用中，标称马力通常用于描述发动机在特定测试条件下的功率输出，这些条件通常由行业标准定义。例如，汽车制造商通常会宣传其车辆的标称马力数据，使消费者能够根据感知的性能做出明智的决策。这个数字并不考虑温度、高度或发动机磨损等变量，这些变量可能会影响实际性能。因此，理解这一区别对消费者和工程师都至关重要。此外，标称马力在监管标准中也发挥着重要作用。许多国家已建立指南，规定如何测量和报告功率输出。这确保了行业内的一致性，使消费者更容易比较车辆，制造商遵守法规。例如，在某些地区，排放法规与发动机的标称马力相关，影响设计和营销策略。除了在汽车中的应用外，标称马力还适用于各种其他领域，包括海洋发动机、工业机械甚至电气发电机。每个应用都需要清晰理解功率输出，以确保安全和效率。工程师在设计系统时通常依赖标称马力，以确保它们满足必要的功率要求，而不会超出可能导致机械故障或低效率的限制。总之，掌握标称马力的含义及其影响对于工程和汽车领域的专业人士至关重要。它作为评估发动机性能的基准，并确保遵守行业标准。随着技术的不断进步，准确功率测量的重要性只会增加，进一步巩固标称马力在我们理解机械和车辆中的相关性。通过认识到这个术语的重要性，个人可以更好地应对功率输出的复杂性，并在各自的行业中做出明智的决策。