nominal horsepower

简明释义

标称马力

英英释义

例句

1.Understanding the nominal horsepower 额定马力 helps in selecting the right machinery for construction.

理解nominal horsepower 额定马力 有助于选择合适的建筑机械。

2.When comparing vehicles, it's important to look at the nominal horsepower 额定马力 to gauge their performance.

在比较车辆时，查看nominal horsepower 额定马力 是评估其性能的重要因素。

3.The engine's nominal horsepower 额定马力 is listed as 300, making it suitable for heavy-duty tasks.

这款发动机的nominal horsepower 额定马力 标注为300，适合重型任务。

4.The nominal horsepower 额定马力 rating can vary based on testing conditions and engine tuning.

根据测试条件和发动机调校，nominal horsepower 额定马力 评级可能会有所不同。

5.The nominal horsepower 额定马力 of this generator is sufficient for powering a small house.

这台发电机的nominal horsepower 额定马力 足以为一个小房子供电。

作文

In the world of engineering and mechanics, understanding the term nominal horsepower is essential for anyone involved in the design, production, or operation of machinery. Nominal horsepower refers to a standardized measure of the power output of an engine or motor under specific conditions, often used to describe the performance of vehicles and industrial equipment. This term helps engineers and consumers alike to understand the capabilities of machines in a consistent manner.The concept of horsepower itself dates back to the late 18th century when Scottish inventor James Watt sought a way to market his steam engines. He needed a way to compare the power of his engines to that of horses, which were commonly used for labor at the time. Watt defined one horsepower as equivalent to the ability to lift 550 pounds one foot in one second, establishing a benchmark that remains relevant today. However, as technology has evolved, so too has the measurement of power.When we talk about nominal horsepower, we are usually referring to a theoretical value that does not account for various factors such as efficiency losses, environmental conditions, and operational constraints. This means that the actual power output of an engine can vary significantly from its nominal horsepower. For instance, an engine may be rated at 200 nominal horsepower, but due to friction, heat loss, and other inefficiencies, its real-world output might only be 180 horsepower.Understanding nominal horsepower is particularly important for vehicle manufacturers and consumers. For manufacturers, it provides a guideline for designing engines that meet certain performance criteria. For consumers, knowing the nominal horsepower of a vehicle can help them make informed decisions when purchasing a car, boat, or any other powered machinery. It gives them an idea of how much power they can expect from the machine, which can influence their choice based on needs such as towing capacity, speed, and overall performance.Moreover, nominal horsepower can play a significant role in regulatory standards and classifications. For example, in many regions, vehicles are categorized based on their horsepower ratings, affecting everything from insurance premiums to taxation. Understanding how nominal horsepower is calculated and applied can thus have financial implications for both manufacturers and consumers.In conclusion, grasping the meaning and implications of nominal horsepower is vital in the realms of engineering and consumer awareness. It serves as a standard measure that allows for comparisons across different types of machinery and vehicles, while also providing insights into performance expectations. As technology continues to advance, the importance of accurately measuring and understanding nominal horsepower will only grow, making it an essential concept for anyone involved in the field of mechanics. Whether you are an engineer designing the next generation of engines, or a consumer looking to purchase a new vehicle, recognizing the significance of nominal horsepower will enable you to make more informed decisions and better understand the machines that power our world.

在工程和机械的世界中，理解术语名义马力对于任何参与机械设计、生产或操作的人来说都是至关重要的。名义马力指的是在特定条件下发动机或电动机的标准化功率输出，通常用于描述车辆和工业设备的性能。这个术语帮助工程师和消费者以一致的方式理解机器的能力。马力的概念可以追溯到18世纪末，当时苏格兰发明家詹姆斯·瓦特寻求一种方法来推销他的蒸汽机。他需要一种将其发动机的功率与当时常用的马匹进行比较的方法。瓦特将一马力定义为能够在一秒钟内将550磅提升一英尺，这建立了一个至今仍然相关的基准。然而，随着技术的发展，功率的测量方式也在不断演变。当我们谈论名义马力时，我们通常指的是一个理论值，该值并未考虑效率损失、环境条件和操作限制等各种因素。这意味着发动机的实际功率输出可能与其名义马力有显著差异。例如，一台发动机的额定功率为200名义马力，但由于摩擦、热损失和其他低效因素，其实际输出可能仅为180马力。理解名义马力对于汽车制造商和消费者尤其重要。对于制造商而言，它为设计满足特定性能标准的发动机提供了指导。对于消费者而言，了解一辆车的名义马力可以帮助他们在购买汽车、船只或其他任何动力机械时做出明智的决定。它让他们知道可以期望从机器中获得多少功率，这可能会影响他们根据拖曳能力、速度和整体性能等需求做出的选择。此外，名义马力在监管标准和分类中也可能发挥重要作用。例如，在许多地区，车辆根据其马力等级进行分类，这影响着从保险费到税收的方方面面。因此，了解名义马力的计算和应用方式对制造商和消费者都可能产生财务影响。总之，掌握名义马力的含义及其影响在工程和消费者意识领域至关重要。它作为一个标准化的度量，允许跨不同类型的机械和车辆进行比较，同时提供对性能预期的深入理解。随着技术的不断进步，准确测量和理解名义马力的重要性只会增加，使其成为任何参与机械领域的人的基本概念。无论您是设计下一代发动机的工程师，还是希望购买新车辆的消费者，认识到名义马力的重要性将使您能够做出更明智的决策，更好地理解推动我们世界的机器。