rim speed

简明释义

轮缘速度

英英释义

例句

1.The manufacturer tested different materials to see how they affected the rim speed of the bicycle wheels.

制造商测试了不同的材料，以查看它们如何影响自行车轮子的轮缘速度。

2.Safety guidelines often specify maximum rim speed to prevent accidents during operation.

安全指南通常规定最大轮缘速度以防止操作期间发生事故。

3.He adjusted the tire pressure to optimize the rim speed for better fuel efficiency.

他调整了轮胎压力，以优化轮缘速度以提高燃油效率。

4.The engineer calculated the rim speed to ensure the wheel could handle high velocities without failure.

工程师计算了轮缘速度以确保车轮能够在高速下不发生故障。

5.In racing, understanding rim speed is crucial for optimizing performance on the track.

在赛车中，理解轮缘速度对优化赛道性能至关重要。

作文

In the world of cycling, understanding the concept of rim speed is crucial for both competitive cyclists and casual riders alike. rim speed refers to the velocity at which the rim of a bicycle wheel travels as the bike moves forward. This speed is influenced by various factors, including the size of the wheel, the type of tire, and the cyclist's pedaling cadence. When cyclists talk about rim speed, they are essentially discussing how efficiently their bike can convert pedaling power into forward motion.One key aspect of rim speed is its relationship with aerodynamics. A wheel with a larger diameter typically has a higher rim speed at a given pedaling rate compared to a smaller wheel. This is because the distance covered per revolution is greater for larger wheels. Therefore, cyclists often prefer larger wheels for long-distance rides or races, as they can maintain higher speeds with less effort.However, achieving optimal rim speed is not solely about wheel size. The type of tires used also plays a significant role. Tires with lower rolling resistance allow for higher rim speed, as they require less energy to maintain motion. Cyclists often experiment with different tire pressures and tread patterns to find the perfect balance between grip and speed. A tire that is too soft may increase rolling resistance, while one that is too hard may compromise traction.Additionally, the cyclist's technique and fitness level greatly affect rim speed. Experienced cyclists know how to pedal efficiently, utilizing their energy in a way that maximizes rim speed. They focus on maintaining a consistent cadence and using their body weight effectively to drive the pedals. For beginners, learning proper cycling techniques can significantly improve their rim speed and overall riding experience.Another important factor to consider is the impact of wind resistance on rim speed. As a cyclist increases their speed, they encounter more air resistance, which can slow them down. To counteract this, many competitive cyclists use aerodynamic gear and adopt a streamlined riding position. By minimizing drag, they can maintain a higher rim speed without expending additional energy.In conclusion, rim speed is a multifaceted concept that encompasses various elements of cycling performance. From wheel size and tire selection to cycling technique and aerodynamics, each factor contributes to the overall efficiency of a ride. Understanding and optimizing rim speed can lead to improved performance, allowing cyclists to enjoy their rides more fully and achieve their personal bests. Whether you are a seasoned racer or a weekend warrior, paying attention to rim speed can enhance your cycling experience significantly.

在自行车骑行的世界中，理解“rim speed”这一概念对竞技自行车手和休闲骑行者来说都至关重要。“rim speed”指的是自行车轮圈随着自行车向前移动而行进的速度。这一速度受到多种因素的影响，包括轮子的大小、轮胎的类型和骑行者的踏板频率。当骑行者谈论“rim speed”时，他们实际上是在讨论他们的自行车如何有效地将踏板的动力转化为前进的运动。“rim speed”的一个关键方面是它与空气动力学的关系。相较于小轮子，直径较大的轮子在给定的踏板速率下通常具有更高的“rim speed”。这是因为较大轮子每转一圈所覆盖的距离更大。因此，骑行者通常更喜欢大轮子用于长途骑行或比赛，因为它们可以以更少的努力维持更高的速度。然而，达到最佳的“rim speed”不仅仅与轮子的大小有关。所使用的轮胎类型也起着重要作用。具有较低滚动阻力的轮胎可以提高“rim speed”，因为它们需要更少的能量来维持运动。骑行者常常会尝试不同的轮胎压力和花纹，以寻找抓地力和速度之间的完美平衡。轮胎过软可能会增加滚动阻力，而轮胎过硬则可能会影响牵引力。此外，骑行者的技术和体能水平也极大地影响着“rim speed”。经验丰富的骑行者知道如何高效地踏板，以最大化“rim speed”来利用他们的能量。他们专注于保持稳定的踏板频率，并有效地利用自己的体重来驱动踏板。对于初学者来说，学习正确的骑行技巧可以显著提高他们的“rim speed”和整体骑行体验。另一个重要因素是风阻对“rim speed”的影响。随着骑行者速度的增加，他们会遇到更多的空气阻力，这可能会减慢他们的速度。为了抵消这一点，许多竞技骑行者使用空气动力学装备并采取流线型骑行姿势。通过最小化阻力，他们可以在不消耗额外能量的情况下保持更高的“rim speed”。总之，“rim speed”是一个多方面的概念，涵盖了骑行性能的各种元素。从轮子大小和轮胎选择到骑行技术和空气动力学，每个因素都对骑行的整体效率有所贡献。理解和优化“rim speed”可以提高骑行性能，使骑行者能够更充分地享受骑行，并实现个人最佳成绩。无论你是经验丰富的赛车手还是周末骑行者，关注“rim speed”都能显著提升你的骑行体验。