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Institute of Turbomachinery and Fluid Dynamics
Logo Leibniz Universität Hannover
Institute of Turbomachinery and Fluid Dynamics
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Dr.-Ing. Marc Biester


Bild von Dr.-Ing. Marc Biester

Activities

  • Rotor-Stator Interaction
  • Aerodynamics
  • Heat Transfer
  • Labyrinth Flow

Research Project

Unsteady Work Optimized Turbine

An improvement in terms of efficiency, durability, and noise of axial turbomachinery as used in aircraft engines requires a profound understanding of the complex flow processes. Effects, especially those induced by the relative motion of the rotor and stator within the engine, are of great importance in order to achieve further technical progress.  Within the framework of the aeronautic research program initiated by the Federal Ministry of Economics and Technology, the Institute of Turbomachinery and Fluid Dynamics in cooperation with MTU AeroEngines analyzes the unsteady rotor-stator interaction in a 1.5 stage turbine test-rig. The investigation focuses on the mixing of the wake and wake induced disturbances in the pressure distribution. In order to obtain generally applicable results, parameters such as the axial gap are varied. The study is accompanied by numerical simulations, what allows a thorough examination of the flow and its physics. Furthermore, an efficient use of measurement techniques is guaranteed by adapting the resources available to the simulated flow features.

Studies

  • Doctoral Studies: Institute of Turbomachinery and Fluid Dynamics -TFD at the Leibniz Universität Hannover. Since 2009
  • Research field: Unsteady rotor-stator interaction and resulting generation of unsteady pressure as well as interaction of leakage flow and main flow in subsonic turbines. Since 2009. Unsteady heat –transfer at the casing and blade tip in transonic turbines.  Since 2013.
  • Diploma Thesis: "Validation of Rans-Modelling Approaches in a Low-Pressure Turbine Cascade”. TFD, Leibniz Universität Hannover. 2009
  • Project Work: "Analysis of Optimization Strategies for Reducing the SFC and EGT by Modifying the Inner and Outer Rotating Air-Seal of the HPT and HPC in an Modern Air-Craft Engine", MTU Maintenance GmbH.  2008-2009
  • Mechanical Engineering: Escuela Tecnica Superior de Ingenieria, Universidad Pontificia Comillas, Madrid, Spain. 2007 – 2008 Leibniz Universität Hannover. 2003-2009

Work Experience

  • Current Position: Team Manager Turbine, TFD. Since May 2014
  • Research Assistant: Institute of Turbomachinery and Fluid Dynamics - TFD. Since 2009
  • Internship: MTU Maintenance GmbH, Engineering. 2008
  • Student Trainee: MTU Maintenance GmbH, Engineering. 2008
  •  Internship: Fernwärme Forschungsinstitut in Hannover e.V. 2008