nominal horse-power

简明释义

公称马力

英英释义

例句

1.The engine's performance is rated at a maximum of nominal horse-power 额定马力 of 150 HP.

这台发动机的性能最高可达到 nominal horse-power 额定马力 150马力。

2.To calculate the efficiency of the motor, we need to know its nominal horse-power 额定马力 rating.

为了计算电动机的效率，我们需要知道它的 nominal horse-power 额定马力 评级。

3.This boat's engine has a nominal horse-power 额定马力 of 200 HP, making it suitable for deep-sea fishing.

这艘船的发动机具有 nominal horse-power 额定马力 200马力，非常适合深海捕鱼。

4.When selecting a generator, it's important to consider its nominal horse-power 额定马力 to ensure it meets your needs.

在选择发电机时，考虑其 nominal horse-power 额定马力 以确保满足你的需求是很重要的。

5.The nominal horse-power 额定马力 of this tractor allows it to handle heavy loads efficiently.

这款拖拉机的 nominal horse-power 额定马力 使其能够高效地处理重载。

作文

The term nominal horse-power refers to a unit of measurement used to describe the power output of engines and machinery. This concept originated during the early days of industrialization when steam engines were first developed. The term 'horsepower' itself was coined by James Watt, who wanted to provide a relatable measure for the capabilities of his steam engines compared to the work done by horses. Thus, nominal horse-power can be understood as an approximation of the engine's power under standard conditions, rather than its maximum or peak performance. Understanding nominal horse-power is crucial for various industries, particularly in automotive and mechanical engineering. When manufacturers advertise the horsepower of a vehicle, they often refer to this nominal value, which helps consumers gauge the vehicle's performance. However, it is essential to recognize that this figure does not account for every variable that might affect actual performance, such as weight, aerodynamics, and driving conditions. For example, a car may have a nominal horse-power rating of 300, but this does not necessarily mean it will perform like a car with a similar rating in all situations. Factors like tire grip, engine tuning, and even the skill of the driver can significantly influence how that power translates to speed and acceleration on the road. Therefore, while nominal horse-power serves as a useful benchmark, it should not be the sole factor considered when evaluating a vehicle's performance. In addition to vehicles, nominal horse-power is also relevant in other machinery, such as generators and pumps. For instance, a pump might have a nominal horse-power rating that indicates its ability to move a certain volume of fluid within a specific time frame. This allows engineers and operators to select the appropriate equipment for their needs based on expected performance. However, one must also be aware of the limitations of relying solely on nominal horse-power ratings. Different testing standards and conditions can lead to variations in these figures. For example, two engines with the same nominal rating might perform differently due to differences in design, efficiency, or even the type of fuel used. As technology advances, the way we measure and define power output continues to evolve. Newer metrics, such as torque and kilowatts, are becoming increasingly popular as they provide a more comprehensive understanding of an engine's capabilities. Nevertheless, nominal horse-power remains a widely recognized term that provides a foundational understanding of power output in various machines. In conclusion, while nominal horse-power is a useful metric for gauging the potential performance of engines and machinery, it is essential to consider it alongside other factors and understand its limitations. By doing so, consumers and professionals alike can make more informed decisions about the equipment they choose to utilize, ensuring they select the best options for their specific needs and applications.

术语名义马力指的是一种用于描述发动机和机械功率输出的测量单位。这个概念起源于工业化早期，当时蒸汽机刚刚被开发出来。'马力'这个词本身是由詹姆斯·瓦特创造的，他想提供一个与马匹工作能力相关的度量，以便与他的蒸汽机进行比较。因此，名义马力可以理解为在标准条件下发动机功率的近似值，而不是其最大或峰值性能。理解名义马力对于各个行业尤为重要，特别是在汽车和机械工程领域。当制造商宣传一辆车的马力时，他们通常指的是这个名义值，这有助于消费者衡量车辆的性能。然而，必须认识到，这个数字并未考虑可能影响实际性能的每一个变量，例如重量、空气动力学和驾驶条件。例如，一辆车的名义马力评级为300，但这并不一定意味着它在所有情况下的表现都像其他同样评级的车。轮胎抓地力、发动机调校甚至驾驶员的技能等因素，都可能显著影响这股力量如何转化为道路上的速度和加速。因此，虽然名义马力作为一个有用的基准，但在评估车辆性能时不应仅靠这一指标。除了车辆，名义马力在其他机械设备中也同样重要，例如发电机和泵。例如，一台泵可能具有一个名义马力评级，表示其在特定时间内移动特定体积流体的能力。这使得工程师和操作人员能够根据预期的性能选择合适的设备。然而，人们也必须意识到，仅仅依赖名义马力评级的局限性。不同的测试标准和条件可能导致这些数字的差异。例如，两台具有相同名义评级的发动机，可能由于设计、效率或甚至燃料类型的不同而表现不同。随着技术的进步，我们测量和定义功率输出的方式也在不断演变。新的指标，如扭矩和千瓦，正变得越来越流行，因为它们提供了对发动机能力更全面的理解。尽管如此，名义马力仍然是一个广泛认可的术语，为各种机器的功率输出提供了基础理解。总之，尽管名义马力是评估发动机和机械潜在性能的有用指标，但考虑其他因素并理解其局限性至关重要。这样，消费者和专业人士都能更明智地选择他们所使用的设备，确保他们为特定需求和应用选择最佳选项。