useful horsepower

简明释义

有效功率

英英释义

例句

1.This tractor has a powerful engine that generates 300 useful horsepower, perfect for heavy farming tasks.

这款拖拉机拥有强大的发动机，产生300有效马力，非常适合重型农业任务。

2.For this particular application, the generator needs to produce at least 100 useful horsepower to function efficiently.

对于这个特定的应用，发电机需要产生至少100有效马力才能高效运行。

3.When towing a trailer, you need a vehicle with at least 200 useful horsepower to ensure safety and performance.

在拖曳拖车时，你需要一辆至少有200有效马力的车辆，以确保安全和性能。

4.The sports car's design optimizes aerodynamics to maximize its 400 useful horsepower on the racetrack.

这款跑车的设计优化了空气动力学，以最大化其在赛道上的400有效马力。

5.The engine of this car delivers 150 useful horsepower, making it suitable for everyday commuting.

这辆车的发动机提供150有效马力，使其适合日常通勤。

作文

In the realm of engineering and automotive performance, the term useful horsepower is often used to describe the actual power output that a vehicle can deliver to perform work effectively. Unlike the theoretical horsepower that may be advertised by manufacturers, useful horsepower takes into account various factors such as efficiency losses in the drivetrain, aerodynamic drag, and other real-world conditions that affect performance. Understanding this concept is essential for both consumers and engineers alike, as it provides a clearer picture of a vehicle's capabilities.To begin with, let's delve into what makes useful horsepower distinct from its more commonly known counterpart, brake horsepower (BHP). Brake horsepower refers to the engine's output measured at the crankshaft before any losses occur. However, this figure can be misleading for consumers who are trying to gauge how well a vehicle will perform under normal driving conditions. Useful horsepower, on the other hand, reflects the power that is actually available for use, making it a more practical metric for assessing performance.One key aspect of useful horsepower is its relationship with vehicle weight. A lighter vehicle with a lower useful horsepower rating can sometimes outperform a heavier vehicle with higher horsepower figures, simply because it requires less power to accelerate and maintain speed. This principle highlights the importance of the power-to-weight ratio, which is a critical factor in performance evaluations. For example, sports cars are designed with optimal power-to-weight ratios to ensure that they deliver exhilarating acceleration and handling.Moreover, the concept of useful horsepower also extends to various applications beyond automobiles. In the world of machinery and equipment, useful horsepower is crucial for determining the efficiency of engines used in construction, agriculture, and manufacturing. When evaluating equipment, operators must consider how much useful horsepower is available for tasks such as lifting, digging, or hauling materials. This understanding allows for better decision-making when selecting machinery for specific jobs, ultimately leading to increased productivity and cost-effectiveness.In addition, the measurement of useful horsepower can influence the development of new technologies. Engineers and designers strive to improve the useful horsepower of engines through advancements in fuel efficiency, hybrid technology, and electric drivetrains. By focusing on maximizing this metric, manufacturers can create vehicles and machines that not only perform better but also align with modern sustainability goals. For instance, electric vehicles (EVs) often showcase impressive useful horsepower figures due to their instant torque delivery, providing a thrilling driving experience while reducing environmental impact.In conclusion, the concept of useful horsepower is vital for anyone interested in understanding vehicle performance or machinery efficiency. It provides a realistic measure of power that can be utilized in practical situations, allowing consumers to make informed choices and engineers to innovate effectively. As we continue to advance in technology and design, keeping an eye on useful horsepower will undoubtedly remain a key factor in the evolution of transportation and machinery. By recognizing the significance of this term, we can appreciate the intricate balance between power, efficiency, and functionality in our everyday lives.

在工程和汽车性能领域，术语有效马力常用于描述车辆能够有效执行工作的实际功率输出。与制造商可能宣传的理论马力不同，有效马力考虑了诸如传动系统中的效率损失、空气动力学阻力以及影响性能的其他现实条件等各种因素。理解这个概念对于消费者和工程师来说都是至关重要的，因为它提供了更清晰的车辆能力图景。首先，让我们深入探讨一下有效马力与更为常见的制动马力（BHP）之间的区别。制动马力是指在任何损失发生之前，在曲轴上测量的发动机输出。然而，这一数字对于试图评估车辆在正常驾驶条件下表现的消费者来说可能具有误导性。而有效马力反映了实际上可用于使用的功率，使其成为评估性能的更实际指标。有效马力的一个关键方面是它与车辆重量之间的关系。一辆重量较轻但有效马力较低的车辆有时可以胜过一辆马力较高但重量更重的车辆，仅仅因为它需要更少的功率来加速和保持速度。这一原则突显了功率与重量比的重要性，这是性能评估中的一个关键因素。例如，跑车的设计旨在实现最佳的功率与重量比，以确保它们提供令人兴奋的加速和操控。此外，有效马力的概念还扩展到汽车以外的各种应用。在机械和设备的世界中，有效马力对于确定用于建筑、农业和制造的发动机的效率至关重要。在评估设备时，操作员必须考虑可用于提升、挖掘或搬运材料的多少有效马力。这种理解使得在选择特定工作所需的机械时能够做出更好的决策，从而最终提高生产力和成本效益。此外，有效马力的测量可以影响新技术的发展。工程师和设计师努力通过燃油效率、混合动力技术和电动驱动系统的进步来提高发动机的有效马力。通过专注于最大化这一指标，制造商可以创造出不仅性能更好，而且符合现代可持续发展目标的车辆和机器。例如，电动汽车（EV）由于其瞬时扭矩输出，通常展示出令人印象深刻的有效马力数据，为驾驶者提供了令人兴奋的驾驶体验，同时减少了对环境的影响。总之，有效马力的概念对于任何希望理解车辆性能或机械效率的人来说都是至关重要的。它提供了一个在实际情况下可利用的功率的现实测量，使消费者能够做出明智的选择，工程师能够有效地创新。随着我们在技术和设计上的不断进步，关注有效马力无疑将继续成为交通和机械演变中的一个关键因素。通过认识这一术语的重要性，我们可以欣赏到在日常生活中，功率、效率和功能之间的微妙平衡。