• Durability of the Layers Deposed with Metal – Ceramic Powders Type CR3 C2 –NICR and High Speed Flame (HVOF) 

      Petrescu, Doina; Antonescu, Niculae Napoleon (UDJG, 2011)
      The durability of the reconditioned or preventively covered with powders type Cr3 C2 –NiCr product may outrun the performances of the original product and (the original specification, too). Due to the deposit of these ...
    • Experimental Investigations Concerning the Mathematical Model of Hard Deposits by High-Speed Flame Spraying 

      Petrov, Doina; Antonescu, Niculae Napoleon; Neacșu, Marian (Universitatea ”Dunărea de Jos” din Galați, 2008)
      A complex study was done by the paper’s authors using some independent models that take into account the combustion process, the particles’ dynamics, the fluid dynamics and also the particle fluid transfer processes when ...
    • Industrial Gear Oils from Renegerable Feed Stocks 

      Tănăsescu, Constantin; Petre, Diana; Bogatu, Liana; Antonescu, Niculae Napoleon (Universitatea ”Dunărea de Jos” din Galați, 2008)
      The aim of this research study is to obtain industrial gear oils. The formulation of this type of lubricant is based on vegetable oils or mixtures of vegetable oils with more stable base oils and appropriate additives. The ...
    • The Reliability of the Rlac Bore-Hole Pumps 

      Drumeanu, Adrian Cătălin; Antonescu, Niculae Napoleon (UDJG, 2010)
      The paper aims to present a study concerning the determination of the borehole pumps operating reliability. The considered bore-hole pump for this study is RLAC 2 7/8 x 1¾ in x 32c type and it equips the oil-wells of ...