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Computational Solution of the Inverse Heat Conduction Problem of Rocket Combustion Chambers

Kuhl, D. and Holzer, A. and Haidn, J. (1999) Computational Solution of the Inverse Heat Conduction Problem of Rocket Combustion Chambers. 35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, Los Angeles, CA, June 20-23, 1999.

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Abstract

A method enabling the calculation of transient rocket combustion chamber hot gas - and coolant side heat transfer based on the temperature measurement by thermocouples, positioned within the combustion chamber wall, is described. The applied novel computational concept specifies the boundary conditions of the combustion chamber inverse heat conduction problem. Therefore, a finite element discretization of the energy balance equation of the combustor, a finite difference discretization of the related semidiscrete equation of transient heat conduction in the time domain and a conjugate direction optimization method are used. The uniqueness of the solution, the error sensitivity and the performance of the proposed parameter identification method will be investigated by an analysis of the stead state as well as transient heat transfer of DLR's model combustor B, a high pressure H2/O2 model rocket engine operated at the test facility P8 in Lampoldshausen, Germany.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Computational Solution of the Inverse Heat Conduction Problem of Rocket Combustion Chambers
Authors:
AuthorsInstitution or Email of Authors
Kuhl, D.Ruhr-Universität Bochum
Holzer, A.UNSPECIFIED
Haidn, J.UNSPECIFIED
Date:1999
Editors:
EditorsEmail
AIAA, UNSPECIFIED
Status:Published
Event Title:35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, Los Angeles, CA, June 20-23, 1999
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):E -- no assignement
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion
Deposited By: Monika Lohmiller
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 13:43

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