The Annals of the University of Petrosani, Mechanical Engineering publishes original scientific contributions in the broad field of Mechanical Engineering, including but not limited to ones related to the designing, manufacturing and operation of the mining machines in underground mines and open pits, mining mechanical installations, transports, equipment for industrial processes, machines building, hydraulic and pneumatic machines and industrial management, mechanics, strength of materials and mechanical vibrations. Besides theoretical, experimental, modeling and simulations articles linked to mechanical engineering, contributions in linked branches like Industrial and Transportation Engineering are welcome. Regular scientific articles, review articles and technical notes are all accepted.