gear ratio

简明释义

传动比

英英释义

例句

1.When racing, drivers often choose a different gear ratio 齿轮比 for optimal performance.

在比赛中，驾驶员通常会选择不同的齿轮比 gear ratio 以获得最佳性能。

2.The gear ratio 齿轮比 of this bicycle allows for easier climbing on steep hills.

这辆自行车的齿轮比 gear ratio 使得在陡峭的山坡上骑行更加轻松。

3.The manufacturer recommends a specific gear ratio 齿轮比 for the best fuel efficiency.

制造商建议使用特定的齿轮比 gear ratio 以获得最佳燃油效率。

4.To improve acceleration, we need to adjust the gear ratio 齿轮比 in the car's transmission.

为了提高加速性能，我们需要调整汽车变速器中的齿轮比 gear ratio。

5.A higher gear ratio 齿轮比 means more torque but less speed.

更高的齿轮比 gear ratio 意味着更大的扭矩但速度较慢。

作文

Understanding the concept of gear ratio is essential for anyone interested in mechanics, automotive engineering, or even cycling. The gear ratio refers to the relationship between the number of teeth on two gears that are meshed together. It is a crucial factor that determines how power and torque are transferred from one gear to another in various machinery. By comprehending this concept, individuals can make informed decisions about the performance and efficiency of machines they operate or design.In simple terms, the gear ratio can be expressed as a fraction or a ratio. For example, if Gear A has 10 teeth and Gear B has 20 teeth, the gear ratio is 1:2. This means that for every complete turn of Gear A, Gear B will only turn half a time. This principle is applied in many mechanical systems, including bicycles, cars, and industrial machinery.The significance of the gear ratio becomes evident when considering its impact on speed and torque. A higher gear ratio means that the driving gear (the one connected to the engine or motor) will rotate more times than the driven gear (the one that provides output). This results in increased torque but reduced speed. Conversely, a lower gear ratio allows for higher speeds but less torque. This is why different vehicles have different gear ratios depending on their intended use. For instance, a racing car may have a lower gear ratio to achieve higher speeds, while a heavy-duty truck might use a higher gear ratio to provide better towing capacity.Moreover, understanding gear ratio is vital for optimizing performance. In cycling, for example, cyclists often adjust their gear ratios to match their riding conditions. A cyclist may choose a lower gear ratio when climbing hills to maintain a steady cadence, while opting for a higher gear ratio on flat terrain for speed. This adaptability highlights the importance of gear ratios in enhancing efficiency and effectiveness in various scenarios.In addition to performance considerations, the gear ratio also plays a role in energy consumption. Machines with optimal gear ratios operate more efficiently, reducing wear and tear on components and minimizing fuel consumption. This is particularly relevant in the context of sustainability and environmental consciousness, where engineers strive to create machines that not only perform well but also consume less energy.In conclusion, mastering the concept of gear ratio is vital for anyone involved in mechanical systems. Whether it’s for improving vehicle performance, enhancing cycling efficiency, or designing energy-efficient machines, understanding how gear ratios work allows individuals to make better choices and optimize outcomes. As technology continues to evolve, the principles behind gear ratios will remain a fundamental aspect of engineering and mechanics, underscoring their importance in both practical applications and theoretical studies.

理解齿轮比的概念对于任何对机械、汽车工程甚至骑行感兴趣的人来说都是至关重要的。齿轮比是指两个啮合齿轮之间齿数的关系。这是一个决定从一个齿轮到另一个齿轮如何传递动力和扭矩的关键因素。通过理解这个概念，个人可以就他们操作或设计的机器的性能和效率做出明智的决策。简单来说，齿轮比可以用分数或比例来表示。例如，如果齿轮A有10个齿，而齿轮B有20个齿，则齿轮比为1:2。这意味着齿轮A每转一圈，齿轮B只转半圈。这个原理被应用于许多机械系统，包括自行车、汽车和工业机械。当考虑到其对速度和扭矩的影响时，齿轮比的重要性变得显而易见。更高的齿轮比意味着驱动齿轮（与发动机或电动机连接的那个）将比从动齿轮（提供输出的那个）旋转更多次。这导致扭矩增加，但速度降低。相反，较低的齿轮比允许更高的速度，但扭矩较小。这就是为什么不同的车辆根据其预期用途具有不同的齿轮比。例如，赛车可能具有较低的齿轮比以实现更高的速度，而重型卡车可能使用较高的齿轮比以提供更好的拖曳能力。此外，理解齿轮比对于优化性能至关重要。在骑行中，例如，骑自行车的人经常调整他们的齿轮比以匹配骑行条件。骑自行车的人可能在爬坡时选择较低的齿轮比以保持稳定的踏频，而在平坦地形上则选择更高的齿轮比以提高速度。这种适应性突显了齿轮比在各种情况下提高效率和效果的重要性。除了性能考虑之外，齿轮比还在能量消耗中发挥作用。具有最佳齿轮比的机器运行更高效，减少组件磨损，并最小化燃料消耗。这在可持续性和环保意识的背景下尤其相关，工程师们努力创造不仅性能良好而且能耗更低的机器。总之，掌握齿轮比的概念对于任何参与机械系统的人来说都是至关重要的。无论是为了改善车辆性能、增强骑行效率，还是设计节能机器，理解齿轮比的工作原理使个人能够做出更好的选择并优化结果。随着技术的不断发展，齿轮比背后的原理将始终是工程和机械学的基本方面，强调其在实际应用和理论研究中的重要性。