coefficient of rolling friction

简明释义

滚动摩擦系数

英英释义

例句

1.In robotics, understanding the coefficient of rolling friction 滚动摩擦系数 is crucial for designing efficient wheels.

在机器人技术中，理解滚动摩擦系数 滚动摩擦系数 对于设计高效的轮子至关重要。

2.To calculate the speed of a rolling ball, you need to consider the coefficient of rolling friction 滚动摩擦系数 between the ball and the surface.

要计算滚动球的速度，你需要考虑球与表面之间的滚动摩擦系数 滚动摩擦系数。

3.The coefficient of rolling friction 滚动摩擦系数 affects how easily a skateboard can roll down a ramp.

滑板的滚动是否顺畅取决于坡道的滚动摩擦系数 滚动摩擦系数。

4.Engineers often test materials to determine their coefficient of rolling friction 滚动摩擦系数 before designing vehicles.

工程师们通常会测试材料以确定它们的滚动摩擦系数 滚动摩擦系数，然后再设计车辆。

5.The coefficient of rolling friction 滚动摩擦系数 for rubber on concrete is typically low, making it ideal for tires.

橡胶在混凝土上的滚动摩擦系数 滚动摩擦系数 通常较低，这使得它非常适合用于轮胎。

作文

Understanding the concept of coefficient of rolling friction is essential in the fields of physics and engineering. It refers to the ratio that describes the resistance encountered by an object when it rolls over a surface. Unlike sliding friction, which occurs when two surfaces slide against each other, rolling friction involves a different set of dynamics. The coefficient of rolling friction is generally much lower than the coefficient of static or kinetic friction, making it a crucial factor in the design and efficiency of various vehicles and machinery.To illustrate the importance of the coefficient of rolling friction, consider the example of a bicycle. When a cyclist rides, the tires roll over the ground. The energy required to keep the bicycle moving is influenced by the coefficient of rolling friction. A lower coefficient means less energy is wasted overcoming this resistance, allowing for greater speed and efficiency. This principle is not only applicable to bicycles but also to cars, trains, and even large trucks. In fact, manufacturers often invest significant resources into developing tires with optimal rolling resistance to enhance fuel efficiency and performance.The coefficient of rolling friction can vary based on several factors, including the material of the wheels and the surface texture of the ground. For instance, a rubber tire on a smooth asphalt road will have a different coefficient of rolling friction compared to a metal wheel on a rough gravel path. Understanding these differences is vital for engineers who design transportation systems, as they must account for varying conditions to ensure safety and efficiency.In addition to transportation, the coefficient of rolling friction plays a role in various industrial applications. For example, conveyor belts rely on rolling elements to transport goods. The efficiency of these systems can be significantly affected by the coefficient of rolling friction. If the friction is too high, it could lead to increased wear and tear on the machinery, higher energy consumption, and ultimately, reduced productivity.Further research into the coefficient of rolling friction has led to advancements in materials science. Engineers are constantly seeking new materials that can minimize rolling resistance while maintaining durability and safety. Innovations such as improved tire compounds and advanced wheel designs are direct results of understanding and manipulating the coefficient of rolling friction.In conclusion, the coefficient of rolling friction is a fundamental concept that influences a wide range of applications, from everyday transportation to complex industrial systems. By understanding how this coefficient works and how it can be optimized, we can improve efficiency, reduce energy consumption, and enhance overall performance in various fields. As technology continues to advance, the importance of studying and applying the principles of coefficient of rolling friction will only grow, paving the way for more efficient and sustainable solutions in our daily lives.

理解滚动摩擦系数的概念在物理和工程学领域至关重要。它指的是描述物体在表面上滚动时遇到的阻力的比率。与滑动摩擦不同，后者发生在两个表面相互滑动时，滚动摩擦涉及不同的动态。滚动摩擦系数通常远低于静摩擦或动摩擦的系数，这使其成为各种车辆和机械设计和效率中的关键因素。为了说明滚动摩擦系数的重要性，可以考虑自行车的例子。当骑自行车时，轮胎在地面上滚动。保持自行车运动所需的能量受到滚动摩擦系数的影响。较低的系数意味着克服这种阻力所浪费的能量更少，从而允许更大的速度和效率。这个原理不仅适用于自行车，还适用于汽车、火车甚至大型卡车。事实上，制造商通常会投入大量资源开发具有最佳滚动阻力的轮胎，以提高燃油效率和性能。滚动摩擦系数可以根据多个因素变化，包括轮子的材料和地面的表面纹理。例如，光滑沥青路面上的橡胶轮胎与粗糙碎石路面上的金属轮的滚动摩擦系数将有所不同。理解这些差异对于设计交通系统的工程师至关重要，因为他们必须考虑不同的条件以确保安全和效率。除了交通，滚动摩擦系数在各种工业应用中也发挥着作用。例如，传送带依赖于滚动元件来运输货物。这些系统的效率可能会受到滚动摩擦系数的显著影响。如果摩擦过高，可能导致机械磨损增加、能耗增加，最终降低生产力。进一步研究滚动摩擦系数已经导致材料科学的进步。工程师们不断寻求新材料，以最小化滚动阻力，同时保持耐用性和安全性。诸如改进的轮胎化合物和先进的轮设计等创新都是理解和操控滚动摩擦系数的直接结果。总之，滚动摩擦系数是一个基本概念，影响着从日常交通到复杂工业系统的广泛应用。通过理解这个系数的工作原理以及如何优化它，我们可以提高效率、减少能耗，并增强各个领域的整体性能。随着技术的不断进步，研究和应用滚动摩擦系数原理的重要性只会增加，为我们日常生活中更高效和可持续的解决方案铺平道路。