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Optimizing the electrical power output of a thermogenerator with the Gerstenmaier/Wachutka approach

Seifert, Wolfgang and Pluschke, Volker and Zabrocki, Knud (2014) Optimizing the electrical power output of a thermogenerator with the Gerstenmaier/Wachutka approach. Physica Status Solidi (A) - Applications and Materials Science, 211 (3), pp. 685-695. Wiley. DOI: 10.1002/pssa.201330176 ISSN 1862-6300

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Abstract

Gerstenmaier and Wachutka have published in PRE 86, 056703 (2012) a new approach (in this paper denoted as G/W approach) to optimizing the material grading in thermoelectric (TE) converters by means of a generalized Lagrange multiplier method. This powerful method allows considering all relevant performance maximization problems within both the “x-domain” and the “T-domain”; in the latter case the compatibility approach has been recovered by independent proof. Here, we adapt the G/W approach to optimizing spatial TE material profiles in order to get maximum electrical power output of a graded thermogenerator with fixed length. The new findings are compared with results previously published. This particularly applies the comparison of the optimal Seebeck coefficients for maximum efficiency and maximum power output.

Item URL in elib:https://elib.dlr.de/92629/
Document Type:Article
Title:Optimizing the electrical power output of a thermogenerator with the Gerstenmaier/Wachutka approach
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Seifert, WolfgangInstitute of Physics, Martin Luther University Halle-Wittenberg, GermanyUNSPECIFIED
Pluschke, VolkerInstitute of Mathematics, Martin Luther University Halle-Wittenberg, Halle, GermanyUNSPECIFIED
Zabrocki, KnudGerman Aerospace Center, Institute of Materials Research, Köln, GermanyUNSPECIFIED
Date:March 2014
Journal or Publication Title:Physica Status Solidi (A) - Applications and Materials Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:211
DOI :10.1002/pssa.201330176
Page Range:pp. 685-695
Publisher:Wiley
ISSN:1862-6300
Status:Published
Keywords:thermoelectric effects; thermogenerators
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Fahrzeugenergiesystem III (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Thermoelectric Materials and Systems
Deposited By: Zabrocki, Dr. Knud
Deposited On:01 Dec 2014 10:07
Last Modified:06 Sep 2019 15:29

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