%0 Journal Article %T The effect of the electrification of sand on the interaction of friction in tribological contact %A Nikolai GORBUNOV %A Alexander KOSTYUKEVICH %A Katherine KRAVCHENKO %A Maxim KOVTANETS %J Transport Problems : an International Scientific Journal %D 2011 %I Silesian University of Technology %X In the article questions of the effectiveness of the presence of abrasive granular material in contact ¡°wheel-rail¡± in the implementation of the optimal traction and its quantity on the surface of the rail. A method for determining the charge abrasive particles.Experimentally proved the effectiveness of electrification of sand before applying it to tribocontact to improve traction. %K tribological contact %K electrification of sand %K contact ¡°wheel-rail¡± %U http://transportproblems.polsl.pl/pl/Archiwum/2011/zeszyt4/2011t6z4_13.pdf