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HyShot scramjet testing in the HEG

Gardner, Anthony Donald (2007) HyShot scramjet testing in the HEG. DLR-Forschungsbericht. FB 2007-14. Dissertation. University of Queensland, Australia. 302 S.

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In this study, CFD and shock tunnel experiments have been performed, these then being compared with the flight test data from the HyShot II flight. Two new conditions for the HEG were designed analytically and refined using the one-dimensional Lagrangian code L1D and experimentally-determined efficiency coefficients, allowing the definition of a new condition with a maximum of two tests in the HEG. A new Mach 7.8 contoured nozzle was calibrated and a new piston with a braking system to prevent reverse movement after diaphragm burst was designed and tested. A wind tunnel model was developed for the HEG from the HyShot flight test model, which recreated the internal geometry at a scale of 1:1. The model was split into two engines, which were instrumented with pressure transducers and thermocouples. A fuel injection system injected cold gaseous hydrogen into the flow through portholes in the wall of one combustion chamber. The model was tested at various angles of attack and equivalence ratios and testing with a nitrogen freestream was used to quantify the effect of fuel injection without combustion.

Item URL in elib:https://elib.dlr.de/51688/
Document Type:Monograph (DLR-Forschungsbericht, Dissertation)
Title:HyShot scramjet testing in the HEG
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Refereed publication:Yes
Open Access:No
Number of Pages:302
Keywords:scramjet, HEG, TAU, hypersonic, shock tube, flight test, combustion, hydrogen
Institution:University of Queensland, Australia
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignment
DLR - Research area:Space
DLR - Program:W - no assignment
DLR - Research theme (Project):W - no assignment (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Spacecraft
Institute of Aerodynamics and Flow Technology > High Speed Configurations
Deposited By: Gardner, Dr.habil. Anthony
Deposited On:30 Nov 2007
Last Modified:27 Apr 2009 14:27

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