revolutions per second

简明释义

每秒转数转秒转数秒

英英释义

例句

1.A typical washing machine operates at 1000 revolutions per second during the spin cycle.

一台典型的洗衣机在脱水周期中以1000每秒转数的速度运转。

2.The fan operates at 1500 revolutions per second to provide adequate airflow.

风扇以1500每秒转数的速度运转，以提供足够的气流。

3.In a turbine, the blades can rotate at speeds exceeding 300 revolutions per second.

在涡轮中，叶片的旋转速度可以超过300每秒转数。

4.The hard drive spins at 7200 revolutions per second, which allows for faster data access.

这款硬盘以7200每秒转数的速度旋转，这使得数据访问更快。

5.The engine of this car can reach up to 6000 revolutions per second for maximum performance.

这辆车的发动机可以达到6000每秒转数以获得最佳性能。

作文

Understanding the concept of revolutions per second is essential in various fields, including physics, engineering, and even everyday life. The term refers to the number of complete turns or cycles an object makes around a fixed point in one second. This measurement is crucial for understanding the performance and efficiency of rotating machinery, such as engines, turbines, and motors.In physics, revolutions per second is often used to describe the angular velocity of an object. Angular velocity is a vector quantity that represents the rate of rotation of an object about an axis. For instance, consider a wheel on a bicycle. If the wheel completes five full turns in one second, it is said to have an angular velocity of five revolutions per second. This information is vital for calculating the distance traveled by the bicycle in a given time frame, as well as for determining the forces acting on the wheel.In engineering applications, revolutions per second plays a significant role in the design and operation of machines. For example, in a car engine, the rotational speed of the crankshaft is measured in revolutions per second to assess the engine's performance. Higher revolutions per second typically indicate more power output, but they can also lead to increased wear and tear on engine components. Therefore, engineers must find a balance between performance and longevity when designing engines.Moreover, understanding revolutions per second is crucial in the context of safety. In many industrial applications, machines operate at high speeds, and exceeding the recommended revolutions per second can lead to catastrophic failures. For instance, a centrifuge used in laboratories must operate within specific limits to prevent accidents. Monitoring the revolutions per second ensures that the equipment functions safely and efficiently.In everyday life, we encounter revolutions per second more often than we realize. For example, when using a blender, the speed settings are often described in terms of how many revolutions per second the blades make. A higher setting means faster blending, which can be crucial for achieving the desired texture in smoothies or sauces. Similarly, in household fans, the speed can be adjusted based on the number of revolutions per second, affecting the airflow and cooling effect.In conclusion, the term revolutions per second is a fundamental concept that spans various disciplines and applications. From physics to engineering and everyday appliances, understanding this measurement allows us to grasp the dynamics of rotating objects and their implications in our world. Whether we are analyzing the performance of a machine or simply adjusting the speed of a fan, recognizing the significance of revolutions per second enhances our comprehension of motion and energy efficiency. As technology continues to advance, the importance of accurately measuring and controlling revolutions per second will only grow, making it a valuable concept to master.

理解每秒转数的概念在物理、工程甚至日常生活中都是至关重要的。这个术语指的是一个物体在一秒钟内围绕固定点完成的完整转弯或循环的数量。这一测量对于理解旋转机械的性能和效率至关重要，例如发动机、涡轮机和电动机。在物理学中，每秒转数通常用于描述物体的角速度。角速度是一个向量量，表示物体围绕轴的旋转速率。例如，考虑一下自行车上的轮子。如果轮子在一秒钟内完成五圈，那么它的角速度被称为五每秒转数。这一信息对于计算自行车在给定时间内行驶的距离以及确定作用于轮子的力是至关重要的。在工程应用中，每秒转数在机器的设计和操作中发挥着重要作用。例如，在汽车发动机中，曲轴的转速以每秒转数来衡量，以评估发动机的性能。更高的每秒转数通常意味着更高的功率输出，但也可能导致发动机部件的磨损加剧。因此，工程师在设计发动机时必须在性能和耐用性之间找到平衡。此外，理解每秒转数在安全方面至关重要。在许多工业应用中，机器以高速运转，超过推荐的每秒转数可能会导致灾难性的故障。例如，实验室中使用的离心机必须在特定的限制内运行，以防止事故。监测每秒转数确保设备安全高效地运行。在日常生活中，我们比我们意识到的更常遇到每秒转数。例如，当使用搅拌机时，速度设置通常以刀片的每秒转数来描述。更高的设置意味着更快的搅拌，这对于在制作奶昔或酱汁时达到所需的质地可能至关重要。同样，在家用风扇中，速度可以根据每秒转数进行调整，从而影响气流和降温效果。总之，每秒转数这一术语是一个基本概念，跨越多个学科和应用。从物理学到工程再到日常电器，理解这一测量使我们能够掌握旋转物体的动态及其在我们世界中的影响。无论我们是在分析机器的性能还是仅仅是在调整风扇的速度，认识到每秒转数的重要性都增强了我们对运动和能量效率的理解。随着技术的不断进步，准确测量和控制每秒转数的重要性只会增加，使其成为一个值得掌握的宝贵概念。