Railway Wheel Slip
Almost every one of us has traveled by train more than once, but few of us stop to contemplate the intricacies of the mechanics behind rail travel. There are many fascinating facts that define how trains work, one of which is that the train wheels never slip on smooth rails. Although there have been accidents where trains derailed, they were generally caused by technical failures, and generally the wheels would not slip. If you want to know the reason behind this, we are here to tell you why.
The main reason behind it is friction. Chemicals are also used to keep it from slipping. Driving on flat roads becomes challenging for vehicles equipped with rubber tires. Its typical coefficient of friction is between 0.7 and 0.9. However, the average coefficient of friction of a train is much lower than this.
The flat wheel moves along the track with a standard coefficient of 0.4 and moves very smoothly. Therefore, we can conclude that the force exerted by the engine is kept below the limit of friction in most parameters. So the engine does not slip.
Therefore, during the rainy season, when driving a car, bicycle or truck on an unpaved road, the wheels will slip and often get stuck in the mud. The effectiveness and friction of the vehicle are the main reasons for this. Due to the upward force of the body, the downward force of the vehicle is much less. It is very common for the wheels to spin in this situation.
When it rains, the train will slow down. This is because the coefficient of friction drops to 0.1. There are many instruments installed in the engine to boost it. Therefore, during the rainy season, the speed of the train will be reduced. Additionally, the sandbox above the engine wheel begins to gently lower down onto the wheel to prevent it from slipping.
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