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Institute of Turbomachinery and Fluid Dynamics
Logo Leibniz Universität Hannover
Institute of Turbomachinery and Fluid Dynamics
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Dipl.-Ing. Simon Bittner


Bild von Dipl.-Ing.  Simon Bittner

Activities

  • Turbine Aerodynamics
  • Secondary Flows
  • Endwall Contouring
  • Optimization
  • Aeroelasticity
  • Person in Charge for the Turbine Test Facility – since 06/2016

Research Project

AG Turbo „Innovative Steam Turbine Blade Path for High Performance Density“

The change of the energy market in respect to renewable energy sources leads to changing requirements related to conventional power plants, e.g. faster starting periods. The AG Turbo Project “Innovative Steam Turbine Blade Path for High Performance Density” raises the performance density of turbine without gaining a significant lower power output. This gives the opportunity of a shorter rotor and therefore the possibility of a faster starting period or load change. Furthermore, a numerical optimization of the implemented endwall contour is fulfilled to keep the losses due to the higher performance density as low as possible. Detailed measurements are done at the TFD test rig. These measurements of a 4-stage turbine are performed with the optimized blades as well as without optimization. Moreover, measurements are accompanied with CFD-Simulations.

Studies

  • Doctoral Studies: Institute of Turbomachinery und Fluid Dynamics - TFD at Leibniz Universität Hannover. 2015 – in course
  • Research Field: Steam Turbine Blades with higher Power Density and Optimization of Steam Turbine Blades via Endwall Contouring. 2015 – in course
  • Diploma Thesis: "The Influence of Loading on Flutter Stability", Duke University, NC, USA. 2014
  • Project Work: "Forced Response Analysis of a Turbine Stage Using Time Linearized Methods“, TFD. 2013
  • Project Work: "Implementation of a non-axisymmetric Endwall Contour in the Numerical Model of a Turbine Stage", TFD. 2012-2013
  • Mechanical Engineering: Leibniz Universität Hannover. 2008 - 2014

Work experience

  • Current Position: Research Assistant at Institute of Turbomachinery and Fluid Dynamics – TFD. Since 2015
  • Thermodynamics Engineer: M+M Turbinen-Technik GmbH. 2015
  • Internship: Siemens AG Energy Sector, Department: Research & Development HP Blades, Mülheim a.d. Ruhr. 2013-2014