elib
DLR-Header
DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Contact | Deutsch
Fontsize: [-] Text [+]

Effusion Cooling in Rocket Combustors Applying Fiber Reinforced Ceramics

Serbest, E. and Haidn, O.J. and Hald, H. and Korger, G. and Winkelmann, P. (1999) Effusion Cooling in Rocket Combustors Applying Fiber Reinforced Ceramics. In: 35th Joint Propulsion Conference. 35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Los Angeles, CA, June 20-24, 1999.

Full text not available from this repository.

Abstract

Since 1994 DLR has focused its efforts on combustion chamber technologies within the internal program "High Pressure Rocket Propulsion" (HDR). The main emphasis lays on advanced cooling technologies and especially effusion cooling applying fibre reinforced ceramics as porous media and hydrogen as cooling fluid. This paper summarises the recent experimental work on this cooling technique using Carbon/Carbon (C/C) material for combustion chamber components. After a brief summary of the fabrication process of the specific ceramic and the material properties, the basic equations for the flow situation and appropriate models are presented. Within the experimental campaign which has been performed at the DLR micro combustor facility M3 the combustion chamber pressure has been varied between 0.3 MPa and 1.1 MPa at a constant oxidiser/fuel mixture ratio of 6.5 using ambient hydrogen as coolant. The porosity of the ceramics has been varied in the range from about Epsilon = 13% to Epsilon = 25% in order to optimise the coolant mass flow rate and pressure loss across the porous wall. A wide range of coolant mass flow rates has been tested in order to achieve a broad data base for modelling an check the limits of applicability of the cooling technique and the ceramic wall material. The paper concludes with a presentation of experimental and theoretical results and a brief outlook to future activities.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1999,
Title:Effusion Cooling in Rocket Combustors Applying Fiber Reinforced Ceramics
Authors:
AuthorsInstitution or Email of Authors
Serbest, E.UNSPECIFIED
Haidn, O.J.UNSPECIFIED
Hald, H.UNSPECIFIED
Korger, G.UNSPECIFIED
Winkelmann, P.UNSPECIFIED
Date:1999
Journal or Publication Title:35th Joint Propulsion Conference
Editors:
EditorsEmail
American Institute of Aeronautics and Astronautics, UNSPECIFIED
Series Name:AIAA 99-2911
Status:Published
Event Title:35th AIAA/ASME/SAE/ASEE Joint Propulsion Conference, Los Angeles, CA, June 20-24, 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
Institute of Structures and Design
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:14 Jan 2010 22:07

Repository Staff Only: item control page

Browse
Search
Help & Contact
Informationen
electronic library is running on EPrints 3.3.12
Copyright © 2008-2012 German Aerospace Center (DLR). All rights reserved.