tractive resistance

简明释义

牵引阻力

英英释义

例句

1.Engineers must calculate the tractive resistance 牵引阻力 when designing efficient locomotives.

工程师在设计高效的机车时必须计算牵引阻力。

2.The tractive resistance 牵引阻力 increases significantly on steep gradients.

在陡坡上，牵引阻力显著增加。

3.To improve performance, the vehicle's design should minimize tractive resistance 牵引阻力.

为了提高性能，车辆的设计应尽量减少牵引阻力。

4.Reducing tractive resistance 牵引阻力 can lead to lower fuel consumption in heavy trucks.

减少牵引阻力可以降低重型卡车的燃油消耗。

5.The train's speed is affected by the tractive resistance 牵引阻力 it encounters on the tracks.

火车的速度受到它在轨道上遇到的牵引阻力的影响。

作文

Understanding the concept of tractive resistance is essential in various fields, particularly in physics and engineering. In simple terms, tractive resistance refers to the opposing force that a vehicle experiences when it moves along a surface. This resistance can be attributed to several factors, including friction between the tires and the road, air resistance, and gradient resistance due to inclines or declines in the terrain. To gain a deeper insight into this concept, let us explore its implications in real-world scenarios, such as transportation and mechanical systems.In the realm of transportation, tractive resistance plays a critical role in determining the efficiency of vehicles. For instance, when a car accelerates, it must overcome the tractive resistance to achieve motion. The greater the resistance, the more energy the vehicle needs to expend. This is why engineers focus on optimizing vehicle design to minimize tractive resistance. Factors such as tire design, vehicle aerodynamics, and weight distribution all contribute to how much resistance a vehicle encounters. By reducing tractive resistance, manufacturers can enhance fuel efficiency, leading to lower emissions and operational costs.Moreover, tractive resistance is not limited to land vehicles but also applies to trains and ships. For example, trains experience significant tractive resistance due to the weight of the cars and the friction between the wheels and tracks. Engineers must calculate the total tractive resistance to determine the required power output of the locomotive. Similarly, ships face tractive resistance from water drag, which affects their speed and fuel consumption. Understanding these forces allows for better design and operation of these transportation modes, ultimately contributing to efficiency and sustainability.In mechanical systems, tractive resistance is a crucial factor in the performance of various machines. For instance, in the context of conveyor belts, tractive resistance can affect the speed at which materials are transported. If the resistance is too high, the system may require additional power to maintain the desired throughput. This highlights the importance of selecting the right materials and designs to minimize tractive resistance in industrial applications.Furthermore, the concept of tractive resistance can be applied to environmental considerations. As we strive for greener technologies, understanding how to reduce tractive resistance becomes vital. Electric vehicles, for example, are designed with aerodynamics in mind to lessen air resistance, thereby minimizing tractive resistance and improving battery life. This reflects a growing trend in the automotive industry towards sustainability and efficiency.In conclusion, tractive resistance is a fundamental concept that impacts various aspects of our daily lives, from the vehicles we drive to the machines we use in industries. By understanding and managing tractive resistance, we can improve energy efficiency, reduce costs, and contribute to a more sustainable future. As technology continues to advance, the significance of tractive resistance will only grow, making it an essential topic for study and innovation in engineering and environmental science.

理解牵引阻力的概念在物理和工程等多个领域中至关重要。简单来说，牵引阻力是指车辆在沿着某个表面移动时所遇到的反作用力。这种阻力可以归因于几个因素，包括轮胎与路面之间的摩擦、空气阻力以及由于地形的坡度而产生的梯度阻力。为了更深入地理解这一概念，让我们探讨它在交通运输和机械系统等现实场景中的影响。在交通运输领域，牵引阻力在确定车辆效率方面发挥着关键作用。例如，当汽车加速时，它必须克服牵引阻力以实现运动。阻力越大，车辆需要消耗的能量就越多。这就是为什么工程师们专注于优化车辆设计以最小化牵引阻力的原因。轮胎设计、车辆空气动力学和重量分布等因素都影响车辆遇到的阻力。通过减少牵引阻力，制造商可以提高燃油效率，从而降低排放和运营成本。此外，牵引阻力不仅限于陆地车辆，也适用于火车和船只。例如，火车由于车厢的重量和车轮与轨道之间的摩擦而经历显著的牵引阻力。工程师必须计算总的牵引阻力以确定机车所需的功率输出。同样，船只面临来自水流的牵引阻力，这影响其速度和燃料消耗。理解这些力量使得更好地设计和操作这些运输方式成为可能，最终有助于提高效率和可持续性。在机械系统中，牵引阻力是各种机器性能的关键因素。例如，在传送带的上下文中，牵引阻力会影响材料运输的速度。如果阻力过高，系统可能需要额外的动力来维持所需的吞吐量。这突显了选择合适的材料和设计以最小化工业应用中的牵引阻力的重要性。此外，牵引阻力的概念可以应用于环境考虑。随着我们努力追求更绿色的技术，理解如何减少牵引阻力变得至关重要。例如，电动汽车的设计考虑了空气动力学，以减少空气阻力，从而最小化牵引阻力并改善电池寿命。这反映了汽车工业朝向可持续性和效率发展的趋势。总之，牵引阻力是一个基本概念，影响着我们日常生活的各个方面，从我们驾驶的车辆到我们在工业中使用的机器。通过理解和管理牵引阻力，我们可以提高能源效率，降低成本，并为更可持续的未来做出贡献。随着技术的不断进步，牵引阻力的重要性只会增加，使其成为工程和环境科学研究与创新的一个重要主题。