revolutions per hour

简明释义

每小时转数

英英释义

例句

1.The engine's efficiency increases significantly at 3000 revolutions per hour.

发动机在3000每小时转数时效率显著提高。

2.The motor operates at a speed of 1500 revolutions per hour.

这台电动机的运行速度为1500每小时转数。

3.For optimal performance, the fan should be set to 2000 revolutions per hour.

为了获得最佳性能，风扇应设置为2000每小时转数。

4.This drill can reach up to 2500 revolutions per hour for heavy-duty tasks.

这款电钻在重型作业中可达到2500每小时转数。

5.The bicycle's wheel spins at approximately 600 revolutions per hour when cruising.

骑行时，自行车的轮子大约以600每小时转数旋转。

作文

In the world of engineering and mechanics, the term revolutions per hour (RPH) plays a crucial role in understanding how machines operate. This measurement indicates how many complete rotations a mechanical component makes in one hour. For instance, if a motor spins at 3000 revolutions per hour, it means that the motor completes 3000 full cycles in that time frame. This metric is vital for various applications, including automotive engines, industrial machines, and even household appliances. By knowing the revolutions per hour of a machine, engineers can determine its efficiency, performance, and suitability for specific tasks.Understanding revolutions per hour is particularly important in the automotive industry. When designing an engine, engineers must consider the optimal RPM (revolutions per minute) to ensure that the vehicle operates efficiently. High-performance engines may reach several thousand revolutions per hour, allowing for rapid acceleration and high speeds. However, exceeding this limit can lead to mechanical failure or reduced lifespan of the engine components. Therefore, manufacturers provide guidelines on the safe operating range of revolutions per hour to prevent such issues.Moreover, the relationship between revolutions per hour and power output is critical. An engine's horsepower is often calculated based on its RPM. The higher the revolutions per hour, the more power the engine can produce, but this also increases fuel consumption. Hence, engineers strive to find a balance between performance and fuel efficiency, making the understanding of revolutions per hour essential in modern vehicle design.In addition to automotive applications, revolutions per hour is significant in industrial machinery. For example, in manufacturing processes, machines like lathes and milling machines require precise control of their speed to achieve desired outcomes. If a lathe operates at too high a revolutions per hour, it may produce excessive heat and wear out tools quickly, leading to increased production costs. Conversely, operating at too low a speed can result in inefficiencies and longer production times. Thus, understanding the optimal revolutions per hour for each machine is crucial for maximizing productivity and minimizing costs.Furthermore, the concept of revolutions per hour extends beyond traditional machinery. In the realm of renewable energy, wind turbines are designed to convert wind energy into electrical energy, and their performance is often measured in terms of revolutions per hour. The speed at which the turbine blades rotate directly affects the amount of electricity generated. Engineers must carefully design these systems to optimize the revolutions per hour while ensuring the longevity of the equipment.In conclusion, revolutions per hour is a fundamental concept in various fields of engineering and technology. It serves as a critical metric for evaluating the performance and efficiency of machines, from vehicles to industrial equipment and renewable energy systems. A thorough understanding of this measurement allows engineers to make informed decisions, enhance designs, and ultimately improve the functionality of the machines we rely on every day. As technology continues to advance, the importance of mastering concepts like revolutions per hour will only grow, paving the way for innovations that can lead to more efficient and sustainable solutions in our world.

在工程和机械的世界中，术语每小时转数（RPH）在理解机器如何运作方面起着至关重要的作用。这个测量值表示一个机械部件在一小时内完成多少次完整的旋转。例如，如果一个电机以3000每小时转数旋转，则意味着该电机在该时间框架内完成3000个完整的循环。这个指标对于各种应用至关重要，包括汽车发动机、工业机器，甚至家用电器。通过了解机器的每小时转数，工程师可以确定其效率、性能以及是否适合特定任务。理解每小时转数在汽车工业中尤为重要。在设计发动机时，工程师必须考虑最佳的RPM（每分钟转数），以确保车辆高效运行。高性能发动机可能达到几千每小时转数，允许快速加速和高速行驶。然而，超过这个限制可能导致机械故障或减少发动机组件的使用寿命。因此，制造商提供了关于每小时转数安全操作范围的指南，以防止此类问题。此外，每小时转数与功率输出之间的关系也至关重要。发动机的马力通常基于其RPM进行计算。每小时转数越高，发动机能够产生的功率就越大，但这也会增加燃料消耗。因此，工程师努力寻找性能与燃油效率之间的平衡，使得理解每小时转数在现代车辆设计中至关重要。除了汽车应用，每小时转数在工业机械中也很重要。例如，在制造过程中，车床和铣床等机器需要精确控制其速度以实现所需的结果。如果车床以过高的每小时转数运行，可能会产生过多的热量并迅速磨损工具，从而导致生产成本增加。相反，以过低的速度运行可能会导致效率低下和更长的生产时间。因此，了解每台机器的最佳每小时转数对于最大化生产力和最小化成本至关重要。此外，每小时转数的概念超越了传统机械。在可再生能源领域，风力涡轮机被设计用来将风能转换为电能，其性能通常以每小时转数来衡量。涡轮叶片旋转的速度直接影响发电量。工程师必须仔细设计这些系统，以优化每小时转数，同时确保设备的耐用性。总之，每小时转数是各个工程和技术领域的基本概念。它作为评估机器性能和效率的关键指标，从车辆到工业设备和可再生能源系统。对这一测量的透彻理解使工程师能够做出明智的决策、增强设计，并最终改善我们每天依赖的机器的功能。随着技术的不断进步，掌握像每小时转数这样的概念的重要性只会增加，为我们世界中更高效和可持续的解决方案铺平道路。