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Potential of Future Thermoelectric Energy Recuperation for Aviation

[+] Author Affiliations
Christoph Bode, Jens Friedrichs, Ragnar Somdalen, Jürgen Köhler

Technische Universität Braunschweig, Braunschweig, Germany

Kai-Daniel Büchter, Christoph Falter, Ulrich Kling

Bauhaus Luftfahrt e.V., Taufkirchen, Germany

Pawel Ziolkowski, Knud Zabrocki, Eckhard Müller

German Aerospace Center, Cologne, Germany

Dragan Kožulović

HAW Hamburg Harburg, Hamburg, Germany

Paper No. IMECE2016-66650, pp. V001T03A041; 11 pages
doi:10.1115/IMECE2016-66650
From:
  • ASME 2016 International Mechanical Engineering Congress and Exposition
  • Volume 1: Advances in Aerospace Technology
  • Phoenix, Arizona, USA, November 11–17, 2016
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5051-0
  • Copyright © 2016 by ASME

abstract

Germanys fifth Aeronautical Research Program (LuFo-V) gives the framework for the TERA-project (Thermoelectric Energy Recuperation for Aviation), which focuses on the positioning of thermoelectricity by means of a holistic reflection of technological possibilities and challenges for the adoption of thermoelectric generators (TEG) to aircraft systems. The aim of this paper is to show the project overview and some first estimations of the performance of an integrated TEG between the hot section of an engine and the cooler bypass flow. Therefore, casing integration positions close to different components are considered such as high pressure turbine, low pressure turbine, nozzle or one of the interducts, where temperature gradients are high enough for efficient TEG function. TEG efficiency is then to be optimized by taking into account occurring thermal resistance, heat transfer mechanisms, efficiency factors, as well as installation and operational system constrains like weight and space.

Copyright © 2016 by ASME
Topics: Aviation

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