revolutions per minute

简明释义

每分钟转数

英英释义

例句

1.For optimal performance, the drill should run at around 3000 revolutions per minute.

为了获得最佳性能，电钻应以大约3000每分钟转数运行。

2.The hard drive spins at 7200 revolutions per minute for faster data access.

硬盘以7200每分钟转数旋转，以便更快地访问数据。

3.A bicycle's pedals can turn at about 90 revolutions per minute during a race.

在比赛中，自行车的踏板大约可以以90每分钟转数的速度旋转。

4.This fan can be adjusted to spin at 1500 revolutions per minute for maximum airflow.

这台风扇可以调节到1500每分钟转数以获得最大气流。

5.The engine operates at a maximum of 6000 revolutions per minute.

发动机的最高转速为6000每分钟转数。

作文

Understanding technical terms is crucial in many fields, especially in engineering and mechanics. One such term that often comes up is revolutions per minute, commonly abbreviated as RPM. This measurement quantifies the number of complete rotations an object makes around a fixed axis in one minute. It is an essential metric in various applications, including automotive engineering, manufacturing processes, and even in household appliances like washing machines and fans. To illustrate its significance, let’s consider the world of automobiles. When we look at a car's engine specifications, we often see a value for revolutions per minute that indicates how fast the engine can operate. For instance, a typical car engine might have a maximum RPM of around 6,000. This means that the engine can complete 6,000 full rotations of its crankshaft every minute. Understanding this value helps engineers design engines that can deliver optimal performance without compromising durability. Moreover, revolutions per minute is not only vital for engines but also plays a critical role in the performance of electric motors. For instance, industrial electric motors are rated by their RPM, which directly affects their efficiency and power output. A motor operating at a higher RPM can perform tasks more quickly but may also wear out faster due to increased friction and heat generation. Therefore, knowing the ideal RPM for specific applications can lead to better energy consumption and longer equipment life. In the realm of household appliances, revolutions per minute is a key specification for devices like washing machines. Different washing cycles require different RPM settings. For example, during the spin cycle, a washing machine might operate at 1,200 RPM to effectively remove water from clothes. This understanding helps consumers choose the right appliance based on their laundry needs. Additionally, revolutions per minute is significant in the context of safety. In machinery, exceeding the recommended RPM can result in catastrophic failures, leading to accidents or damage. Engineers must carefully calculate the safe operating limits for each machine to prevent such occurrences. Regular maintenance and monitoring of RPM levels can help ensure that machines operate within safe parameters. In conclusion, the term revolutions per minute is more than just a number; it is a fundamental concept that underpins the functioning of numerous mechanical systems. Whether in cars, industrial machinery, or household appliances, understanding RPM can lead to improved performance, safety, and efficiency. As technology continues to evolve, the importance of mastering such technical terms will only grow, making it essential for students and professionals alike to familiarize themselves with these concepts. By doing so, we can enhance our understanding of the mechanics that drive our world and make informed decisions in our respective fields.

理解技术术语在许多领域中至关重要，尤其是在工程和机械方面。其中一个经常出现的术语是每分钟转数，通常缩写为RPM。这个测量值量化了一个物体在一分钟内围绕固定轴旋转的完整旋转次数。它在汽车工程、制造过程，甚至在洗衣机和风扇等家用电器中都是一个重要的指标。为了说明其重要性，让我们考虑汽车的世界。当我们查看汽车发动机规格时，常常会看到一个表示发动机运行速度的每分钟转数值。例如，一台典型的汽车发动机的最高RPM可能在6000左右。这意味着发动机每分钟可以完成6000次曲轴的完整旋转。理解这个值有助于工程师设计能够提供最佳性能而不影响耐久性的发动机。此外，每分钟转数不仅对发动机至关重要，在电动机的性能中也起着关键作用。例如，工业电动机的额定值由其RPM决定，这直接影响其效率和功率输出。以更高的RPM运行的电动机可以更快地执行任务，但由于摩擦和热量增加，也可能更快磨损。因此，了解特定应用的理想RPM可以实现更好的能量消耗和更长的设备寿命。在家用电器的领域中，每分钟转数是洗衣机等设备的关键规格。不同的洗涤周期需要不同的RPM设置。例如，在脱水周期中，洗衣机可能以1200 RPM的速度运行，以有效去除衣物中的水分。这种理解帮助消费者根据他们的洗衣需求选择合适的电器。此外，每分钟转数在安全方面也很重要。在机械设备中，超过推荐的RPM可能导致灾难性故障，造成事故或损坏。工程师必须仔细计算每台机器的安全操作极限，以防止此类事件的发生。定期维护和监测RPM水平可以帮助确保机器在安全参数内运行。总之，每分钟转数这一术语不仅仅是一个数字；它是支撑众多机械系统运作的基本概念。无论是在汽车、工业机械还是家用电器中，理解RPM都可以带来更好的性能、安全性和效率。随着技术的不断发展，掌握这些技术术语的重要性只会增加，因此学生和专业人士都应熟悉这些概念。通过这样做，我们可以增强对推动我们世界的机械的理解，并在各自的领域做出明智的决策。