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Design of dosing unit for sanding of rail vehicles
Szabari, Šimon ; Čížek, Petr (referee) ; Omasta, Milan (advisor)
This master thesis deals with the development of a sanding unit for rail vehicle. The aim is to develop a dosing device capable of applying sand to the contact of a wheel and a rail depending on the speed of the vehicle with the detection of the flow rate of the applied amount. The application of sand or alternative materials to the wheel-rail contact is an effective way to increase the traction of driving rail vehicles. During the development, there was a cooperation with a company engaged in the production of equipment for rail transport. During the work, experimental development was applied, during which a pneumo-mechanical dosing unit with control of the applied amount of sand was designed and tested. Simultaneously with the dosing unit, a sand box was designed that is suitable for the type of rail vehicle for the purpose of tests in real operation. The pre-prototype design has the potential to bring improvements in several areas of sanding systems.

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