crank radius

简明释义

曲柄半径

英英释义

例句

1.Engineers need to calculate the crank radius when designing a new engine.

工程师在设计新发动机时需要计算曲轴半径。

2.Adjusting the crank radius can change the power output of the machine.

调整曲轴半径可以改变机器的功率输出。

3.In a crankshaft design, the crank radius is critical for determining the stroke length.

在曲轴设计中，曲轴半径对确定行程长度至关重要。

4.The efficiency of the engine can be improved by optimizing the crank radius.

通过优化曲轴半径可以提高发动机的效率。

5.The crank radius affects the torque produced by the engine.

曲轴半径会影响发动机产生的扭矩。

作文

The concept of crank radius is pivotal in the realm of mechanical engineering, particularly in the design and functioning of engines and machinery. Essentially, the crank radius refers to the distance from the center of the crankshaft to the center of the connecting rod pin. This measurement plays a crucial role in determining the stroke length of an engine, which in turn influences the engine's displacement and overall performance. In simpler terms, the crank radius can be viewed as one of the fundamental dimensions that dictates how far the piston can travel within the cylinder during each cycle of the engine.Understanding the significance of crank radius requires a basic grasp of how internal combustion engines operate. When the crankshaft rotates, it converts the linear motion of the pistons into rotational motion, allowing the vehicle to move. The size of the crank radius directly impacts the amount of force generated during this process. A larger crank radius typically results in a longer stroke, which can lead to increased power output. However, this must be balanced with other factors, such as engine size and weight, to ensure optimal performance.In practical applications, engineers often manipulate the crank radius to achieve desired performance characteristics in various types of engines. For instance, in racing engines, a larger crank radius might be utilized to maximize power output, while in everyday vehicles, a smaller crank radius may be preferred for better fuel efficiency and reduced emissions. The trade-offs involved in adjusting the crank radius highlight the intricate balance that engineers must maintain when designing engines.Moreover, the crank radius is not only relevant in automotive applications but also extends to other fields such as robotics and machinery design. In these contexts, the crank radius can influence the range of motion and operational efficiency of various mechanical systems. For example, in a robotic arm, adjusting the crank radius can enhance the reach and precision of the arm's movements, making it more effective for specific tasks.In conclusion, the crank radius is a fundamental aspect of mechanical design that affects the performance and functionality of engines and machinery. By understanding its implications, engineers can make informed decisions that optimize performance while balancing other critical factors. As technology continues to evolve, the importance of the crank radius will likely remain a central consideration in the development of innovative mechanical systems. Whether in automotive engineering or robotics, mastering the concept of crank radius is essential for anyone looking to excel in the field of mechanical engineering.

“曲柄半径”这一概念在机械工程领域中至关重要，尤其是在发动机和机械设备的设计与运作中。简单来说，曲柄半径是指从曲轴中心到连杆销中心的距离。这个测量值在决定发动机的行程长度方面发挥着关键作用，而行程长度又影响发动机的排量和整体性能。更简单地说，曲柄半径可以被视为决定活塞在每个循环中可以在气缸内移动多远的基本尺寸之一。理解曲柄半径的重要性需要对内燃机的工作原理有基本的了解。当曲轴旋转时，它将活塞的线性运动转化为旋转运动，使车辆得以移动。曲柄半径的大小直接影响这一过程中的产生的力量。较大的曲柄半径通常会导致更长的行程，从而可能增加功率输出。然而，这必须与其他因素（如发动机的尺寸和重量）进行平衡，以确保最佳性能。在实际应用中，工程师经常调整曲柄半径以实现不同类型发动机的期望性能特征。例如，在赛车发动机中，可能会使用更大的曲柄半径来最大化功率输出，而在日常车辆中，可能更倾向于选择较小的曲柄半径，以提高燃油效率和减少排放。调整曲柄半径所涉及的权衡突显了工程师在设计发动机时必须保持的微妙平衡。此外，曲柄半径不仅与汽车应用相关，还扩展到机器人技术和机械设计等其他领域。在这些背景下，曲柄半径可以影响各种机械系统的运动范围和操作效率。例如，在机器人手臂中，调整曲柄半径可以增强手臂运动的范围和精确度，使其在特定任务中更有效。总之，曲柄半径是机械设计的一个基本方面，影响着发动机和机械设备的性能和功能。通过理解其影响，工程师可以做出明智的决策，以优化性能，同时平衡其他关键因素。随着技术的不断发展，曲柄半径的重要性可能仍将是开发创新机械系统时的一个核心考虑。无论是在汽车工程还是机器人技术中，掌握曲柄半径的概念对于任何希望在机械工程领域中脱颖而出的人来说都是必不可少的。