Browsing by Subject "Turbine components"

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  • Alfred, Irene; Nicolaus, Martin; Hermsdorf, Jörg; Kaierle, Stefan; Möhwald, Kai; Maier, Hans Jürgen; Wesling, Volker (Amsterdam : Elsevier B.V., 2018)
    Components in aircraft engines and gas turbines are exposed to extreme conditions in order to increase performance and efficiency of the overall engine, hence there is an increasing need for cost-effective and time-efficient ...
  • Alfred, Irene; Nicolaus, Martin; Hermsdorf, Jörg; Kaierle, Stefan; Möhwald, Kai; Maier, Hans Jürgen; Wesling, Volker (Amsterdam : Elsevier B.V., 2018)
    Components in aircraft engines and gas turbines are exposed to extreme conditions in order to increase performance and efficiency of the overall engine, hence there is an increasing need for cost-effective and time-efficient ...
  • Schwerdt, Lukas; Hauptmann, Thomas; Kunin, Artsem; Seume, Jörg R.; Wallaschek, Jörg; Wriggers, Peter; Panning-von Scheidt, Lars; Löhnert, Stefan (Amsterdam : Elsevier BV, 2017)
    This paper presents an integrated methodology for the analysis of operationally-used turbine blades, incorporating aerodynamic and multiple structural simulations. In jet engines, blade rubbing and erosion lead to deviations ...
  • Rottwinkel, Boris; Nölke, Christian; Kaierle, Stefan; Wesling, Volker (Amsterdam : Elsevier B.V., 2014)
    The formation of cracks in single crystal (SX) turbine blades is a common problem for aero-engines. To repair cracks, which are located under the tip-area, a new method is to clad with single-crystal-technology. This ...
  • Li, Yinan; Kästner, Markus; Reithmeier, Eduard (Bellingham, WA : S P I E - International Society for Optical Engineering, 2015)
    Vertical scanning interferometry (VSI) techniques are widely used to profile microscopic surface structures of industrial products. This paper introduces a high-precision fast optical measurement system with an optimized ...
  • Pohle, Linus; Tatzko, Sebastian; Panning-von Scheidt, Lars; Wallaschek, Jörg (Warsaw : Polish Society of Theoretical and Allied Mechanics, 2017)
    Small deviations between turbine blades exist due to manufacturing tolerances or material inhomogeneities. This effect is called mistuning and usually causes increased vibration amplitudes and also a lower service life ...
  • Grönman, Aki; Biester, Marc H.-O.; Turunen-Saaresti, Teemu; Jaatinen-Värri, Ahti; Backman, Jari; Seume, Jörg R. (London : SAGE Publications Ltd., 2016)
    More efficient and physically smaller axial turbine designs are promoted to lower emissions and increase revenue. The physical size and the weight of the axial turbine can be minimised by adjusting the distance between ...
  • Stammler, Matthias; Baust, Sebastian; Reuter, Andreas; Poll, Gerhard (Bristol : Institute of Physics Publishing, 2018)
    Pitch bearings of wind turbines are large, grease-lubricated rolling bearings that connect the rotor blades with the rotor hub. Rolling bearings are the standard bearing type for this application. Most blade bearings are ...
  • Hoffmann, Thomas; Panning-von Scheidt, Lars; Wallaschek, Jörg (London : Elsevier Ltd., 2017)
    A new contact model is proposed to simulate the forced response of a two degree of freedom mechanical model which resembles the simplest form of a friction damped turbine blade. The model scales a measured friction hysteresis ...
  • Aschenbruck, Jens; Adamczuk, Rafael R.; Seume, Jörg R. (Amsterdam : Elsevier, 2014)
    The regeneration process of jet engines is a highly complex, expensive and time-consuming. Especially the regeneration of high pressure turbine blades and compressor blisks are at the border of what is technically feasible. ...
  • Wolff, Julius; Yan, Miping; Schultz, Melf; Raatz, Annika (Amsterdam : Elsevier B.V., 2016)
    The disassembly of components with solidified assembly connections is often difficult to plan. A typical example can be found in the aviation industry, where turbine blades solidify in the turbine disc due to operational ...
  • Nicolaus, M.; Möhwald, K.; Maier, Hans Jürgen (Amsterdam : Elsevier BV, 2017)
    Besides welding, high temperature vacuum repair-brazing is already established for nickel-based alloy turbine blades in the aerospace and power plant industries. After the worn turbine blade has been decoated to its substrate ...