Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Erik L. Axdahl"'
Publikováno v:
AIAA Propulsion and Energy 2019 Forum.
An investigation utilizing Reynolds-averaged simulations (RAS) was performed in order to demonstrate the use of design and analysis of computer experiments (DACE) methods in Sandia’s DAKOTA software package for surrogate modeling and optimization.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::500d6ecf0521fceebfff4f87dd266f67
https://doi.org/10.2514/6.2019-4196
https://doi.org/10.2514/6.2019-4196
Publikováno v:
22nd AIAA International Space Planes and Hypersonics Systems and Technologies Conference.
To experimentally assess and compare the mixing performance of high-speed fuel injectors for scramjet engines, quantitative global metrics are needed. The one-dimensional metric most commonly used to assess the degree of mixing completeness at a give
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffd44232afbe0a28eb418d65e719e86c
https://doi.org/10.2514/6.2018-5261
https://doi.org/10.2514/6.2018-5261
Uninstalled Performance Predictions of a Magnesium-Fueled Ramjet Cycle in Carbon Dioxide Atmospheres
Autor:
Erik L. Axdahl, Lin Li
Publikováno v:
2018 Joint Propulsion Conference.
Evaluation of alternative propulsion cycles for planetary space exploration applications is motivated by ongoing emphasis of robotic science and human exploration missions and concepts. Atmosphere-breathing propulsion systems operating on their own o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::543f74d085abd0269b96c43c03e791b0
https://doi.org/10.2514/6.2018-4448
https://doi.org/10.2514/6.2018-4448
Publikováno v:
48th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
The use of premixed, shock-induced combustion in the context of a hypervelocity, airbreathing vehicle requires effective injection and mixing of hydrogen fuel and air on the vehicle forebody. Three dimensional computational simulations of fuel inject
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfb8e3d43d2442b3fcadcf9796dc936a
https://doi.org/10.2514/6.2012-3924
https://doi.org/10.2514/6.2012-3924
Publikováno v:
47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit.
A premixed, shock-induced combustion engine has been proposed in the past as a viable option for operating in the Mach 10 to 15 range in a single stage to orbit vehicle. In this approach, a shock is used to initiate combustion in a premixed fuel/air
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5fd5713000b81c5d66dd1f66cb1c8de
https://doi.org/10.2514/6.2011-5790
https://doi.org/10.2514/6.2011-5790
Autor:
Patrick Chai, Alan W. Wilhite, John A. Gaebler, Erik L. Axdahl, Robert A. Rowland, Matthew R. Long, Rafael A. Lugo, Michael S. Grimes
Publikováno v:
AIAA SPACE 2009 Conference & Exposition.
To support a permanent human settlement on the Lunar surface, improvements to the current Lunar outpost architecture are investigated. A detailed analysis of architectures utilizing an orbital propellant depot and reusable vehicles is presented. Comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bda68a4cf4abff3ecadbb1f6911f1ccb
https://doi.org/10.2514/6.2009-6711
https://doi.org/10.2514/6.2009-6711
Publikováno v:
20th AIAA Aerodynamic Decelerator Systems Technology Conference and Seminar.
An aeroelastic analysis of the behavior of an entry vehicle utilizing an attached inflatable aerodynamic decelerator during supersonic flight is presented. The analysis consists of a planar, four degree of freedom simulation. The aeroshell and the IA
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::698b0d503e33298aa41bac8533494eb6
https://doi.org/10.2514/6.2009-2963
https://doi.org/10.2514/6.2009-2963