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Advantages And Disadvantages Of Brake System

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PENUAMTIC AIR BRAKE TRAIN SYSTEMS
Definition of the brakes:
A brake is a mechanical device which produces frictional resistance against a moving machine member, in order to slow down the motion of a machine or stop it.
The purpose of braking action is to perform controlled reduction in velocity of the train. An efficient and reliable brake system is needed for stoppage of vehicle in minimum possible distance.
The energy absorbed by brakes is typically released in the form of heat however other forms of energy conversion may be employed i.e. Regenerative braking which converts energy into electrical energy. In recent years, mankind has been trying to improve transportation systems, for making them more efficient and safe. In that way, one area …show more content…

Therefore it can be said that there is no single brake pad that can reign supreme in every single situation. We cannot easily say which type of pads are the best. Nowadays, there is a wealth of offering to choose brake linings in aftermarket. Because of different specific characteristics of each type pads, the drivers need to choose the most suitable pads to match their own driving style. The semi metallic brake pads are most widely used in cars. They are more versatile, more effective over a wider range of temperatures and have a much higher thermal threshold. They provide better cold bite than other type pads and maintain much more consistent friction characteristics throughout their operating range. So they are more suitable for using on a racetrack or a spirited mountain run. But for every day driving, in a casual city, highway driving and commuting, the ceramic and organic brake pads are a better choice. Because they can offer enough stopping power with quieter, cleaner wheels, and longer life …show more content…

This causes air pressure in the brake pipe to escape. The loss of pressure is detected by the slide valve in the triple valve. Because the pressure on one side (the brake pipe side) of the valve has fallen, the auxiliary reservoir pressure on the other side has pushed the valve (towards the right) so that the feed groove over the valve is closed. The connection between the brake cylinder and the exhaust underneath the slide valve has also been closed. At the same time a connection between the auxiliary reservoir and the brake cylinder has been opened. Auxiliary reservoir air now feeds through into the brake cylinder. The air pressure forces the piston to move against the spring pressure and causes the brake blocks to be applied to the wheels. Air will continue to pass from the auxiliary reservoir to the brake cylinder until the pressure in both is equal. This is the maximum pressure the brake cylinder will obtain and is equivalent to a full application. To get a full application with a reasonable volume of air, the volume of the brake cylinder is usually about 40% of that of the auxiliary

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