horse-power hour

简明释义

马力小时

英英释义

例句

1.The car engine runs at 15 horse-power hour during peak performance.

汽车发动机在最佳性能时运行在15马力小时。

2.The generator produces 10 horse-power hour of energy per hour.

这个发电机每小时产生10马力小时的能量。

3.To compare engines, we often look at their horse-power hour ratings.

为了比较发动机，我们通常查看它们的马力小时评级。

4.Calculating the horse-power hour helps determine fuel efficiency.

计算马力小时有助于确定燃油效率。

5.In farming, a tractor might use 5 horse-power hour to plow a field.

在农业中，拖拉机可能需要5马力小时来耕地。

作文

The concept of energy measurement is crucial in various fields, particularly in engineering and physics. One of the terms often encountered in these disciplines is horse-power hour, which refers to the amount of energy produced by one horsepower over the duration of one hour. To fully grasp this term, it is essential to understand both its components: horsepower and time. Horsepower, a unit of measurement for power, was originally developed to compare the output of steam engines with the work that horses could perform. In essence, one horsepower is equivalent to approximately 746 watts. Therefore, when we talk about a horse-power hour, we are discussing a specific quantity of energy, which equals 746 watt-hours.In practical terms, the horse-power hour is often used in contexts such as automotive engineering, where understanding engine performance is vital. For example, if a car engine produces 100 horsepower, it means that it can maintain that power output for one hour, resulting in a total energy consumption of 100 horse-power hours. This measurement helps engineers and consumers alike to assess fuel efficiency and overall vehicle performance.Moreover, the horse-power hour is also significant in industries that rely on machinery and equipment powered by engines. Understanding how much energy a machine uses over time can help businesses optimize their operations and reduce costs. For instance, if a construction site uses heavy machinery that consumes 200 horse-power hours daily, project managers can estimate fuel costs and plan budgets accordingly.Furthermore, the relevance of horse-power hour extends beyond just mechanical applications. It also plays a role in renewable energy discussions. For example, when evaluating the efficiency of wind turbines, the energy output can be measured in horse-power hours. This allows for better comparisons between different energy sources and technologies, facilitating informed decisions regarding energy production and consumption.Additionally, while the horse-power hour is a traditional unit, it is important to note that modern energy discussions often involve other units such as kilowatt-hours (kWh). However, understanding horse-power hour remains valuable, especially in specific industries where this term is still prevalent. By comprehending this measurement, individuals can better appreciate the relationship between power, energy, and time.In conclusion, the term horse-power hour encapsulates a fundamental concept in energy measurement that bridges the gap between historical practices and modern engineering applications. Whether in automotive design, industrial machinery, or renewable energy, the ability to quantify energy output in horse-power hours provides valuable insights that drive efficiency and innovation. As technology continues to evolve, so too will our understanding of energy metrics, but the horse-power hour will undoubtedly remain an important reference point in the world of power and energy.

能量测量的概念在各个领域中都至关重要，尤其是在工程和物理学中。我们经常遇到的一个术语是马力小时，它指的是一马力在一小时内产生的能量。要充分理解这个术语，首先需要了解它的两个组成部分：马力和时间。马力是一种功率测量单位，最初是为了将蒸汽机的输出与马匹的工作进行比较而开发的。实际上，一马力约等于746瓦特。因此，当我们谈论马力小时时，我们讨论的是特定的能量数量，等于746瓦特小时。在实际应用中，马力小时通常用于汽车工程等领域，在这些领域中，理解发动机性能至关重要。例如，如果一辆汽车发动机产生100马力，这意味着它可以维持这种功率输出一个小时，从而导致总能量消耗为100马力小时。这一测量帮助工程师和消费者评估燃油效率和整体车辆性能。此外，马力小时在依赖发动机驱动的机械和设备的行业中也具有重要意义。了解机器在一段时间内使用多少能量可以帮助企业优化运营并降低成本。例如，如果一个建筑工地每天使用重型机械消耗200马力小时，项目经理可以估算燃料成本并相应地规划预算。此外，虽然马力小时是一个传统单位，但值得注意的是，现代能源讨论通常涉及其他单位，如千瓦时（kWh）。然而，理解马力小时仍然很有价值，特别是在某些行业中，这个术语仍然是常用的。通过理解这一测量，个人可以更好地欣赏功率、能量和时间之间的关系。总之，术语马力小时概括了一个基本的能量测量概念，它连接了历史实践与现代工程应用之间的差距。无论是在汽车设计、工业机械还是可再生能源中，以马力小时量化能量输出的能力提供了推动效率和创新的宝贵见解。随着技术的不断发展，我们对能源指标的理解也将不断演变，但马力小时无疑将继续成为电力和能源领域的重要参考点。