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Dr.-Ing. Jens Twiefel


Head of Piezoelectric and Ultrasonic Technology Research Group
Institute of Dynamics and Vibration Research
Appelstraße 11

30167 Hannover
room: A228 (Appelstraße 11a - 2. Etage)

phone:+49 511 762- 4167
fax:+49 511 762- 4164
mail:twiefelids.uni-hannover.de

Bild von Dr.-Ing. Jens Twiefel

Research Topics

  • Vibration Energy Harvesting
  • Vibro-Impact-Processes
  • Piezoelectric and Ultrasonic Motors and Transport Devices
  • Ultrasonic Processes (Cavitation, Levitation, Welding)
  • Ultrasonic assisted Processes (Milling, Lathing)
  • Control and Power Electronics for Ultrasonic and Piezoelectric Devices
  • Structural Optimization of Ultrasonic Transducers and Tools

Publikationen

List of Publications @ scholar.google.de

Dissertation (German Language):

Experimentelle und modellbasierte Untersuchung von Stehwellenantrieben (2010)

Teaching

  • Energiewandler für energieautarke Systeme (Vorlesung)
  • Piezo- und Ultraschalltechnik (Übung)

CV

 

  • since 2008 Head of Piezoelectric and Ultrasonic Technology Research Group
  • since 2007 Research Assistant at Institute for Dynamics and Vibration Research
  • 2012 - 2015 Site Director of Center for Energy Harvesting Materials and Systems
  • 2010 Defense of PhD thesis at Leibniz Universität Hannover (Degree Dr.-Ing.)
  • 2004-2007 Research Assistant at Mechatronics and Dynamics of Heinz Nixdorf Institute (University of Paderborn)
  • 2007 Visiting Researcher at Tokoy University (JSPS-Short-Term-Program) in the Lab of  Dr. Morita
  • 1999-2004 Study of Computer Science with major in Mechanical Engineering at University of Paderborn (Degree Dipl.-Ing.)
  • 2004 Visiting Scholar at Virginia Polytechnic Institute and State University, Blacksburg, VA, USA in the Center for Intelligent Material Systems and Structures (Dr. Inman, Dr. Leo)
  • 1994-1999 Training occupation and industrial experience as Industrial Mechanic at Claas SE GmbH

Further Activities