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Articles 1 - 3 of 3
Full-Text Articles in Aerospace Engineering
The Influence Of Mixing Duct Length And Phase Of Flight On Wall Temperatures Of A Rocket Based Combined Cycle Engine In Ejector And Air-Augmented Modes, Jonathan Grow
Doctoral Dissertations and Master's Theses
Rocket Based Combined Cycle (RBCC) engines have been theorized as a possible means of powering launch vehicles and high-speed atmospheric vehicles. By incorporating aspects of both air-breathing and rocket propulsion, RBCC engines promise up to a 230 % increase in specific impulse over traditional chemical rocket propulsion by entraining a secondary flow of atmospheric air and mixing it with the exhaust of a rocket motor. Students within the Embry-Riddle Future Space Explorers and Developers Society (ERFSEDS) identified a
problem of excessive heating and structural failure of the mixing duct during launch and transonic flight of a student-built flight test vehicle. …
Vertical Take-Off And Landing Control Via Dual-Quaternions And Sliding Mode, Joshua Sonderegger
Vertical Take-Off And Landing Control Via Dual-Quaternions And Sliding Mode, Joshua Sonderegger
Doctoral Dissertations and Master's Theses
The landing and reusability of space vehicles is one of the driving forces into renewed interest in space utilization. For missions to planetary surfaces, this soft landing has been most commonly accomplished with parachutes. However, in spite of their simplicity, they are susceptible to parachute drift. This parachute drift makes it very difficult to predict where the vehicle will land, especially in a dense and windy atmosphere such as Earth. Instead, recent focus has been put into developing a powered landing through gimbaled thrust. This gimbaled thrust output is dependent on robust path planning and controls algorithms. Being able to …
Simulation And Analysis Of 4-D Airspace Closures Due To Commercial Space Operations: Impacts On Airlines And General Aviation, Janet K. Tinoco, Noah D. Eudy, Maxwell Cannon
Simulation And Analysis Of 4-D Airspace Closures Due To Commercial Space Operations: Impacts On Airlines And General Aviation, Janet K. Tinoco, Noah D. Eudy, Maxwell Cannon
Journal of Aviation/Aerospace Education & Research
When industries share key portions of their eco-systems, industry-industry competitive and structural pressures can inhibit the advancement of both. In the case of aviation and commercial space, an eco-system component critical to both industries is shared airspace. The integration of air and space activities in a safe, efficient, effective, and equitable manner is compulsory for both industries to grow and thrive. In order to develop solutions, one must first understand the effects of space operations on current national airspace system (NAS) users. By using actual flight data in a simulation environment of space operations out of Cape Canaveral, Florida, we …