A feasibility study of an atrex engine at approved technology levels

Physics & Astronomy

• engines 90%
• ram 74%
• cycles 38%
• turbines 38%
• fans 36%
• air 34%
• clearances 27%
• rotors 22%
• air breathing engines 21%
• configurations 18%
• fan blades 18%
• carbon-carbon composites 17%
• inlet temperature 16%
• jet engines 16%
• space transportation system 15%
• sea level 15%
• trailing edges 13%
• compressors 12%
• margins 12%
• resources 11%
• oxidation 8%
• orbits 8%
• radii 7%
• temperature 6%
• metals 5%
• performance 5%

Earth & Environmental Sciences

• feasibility study 100%
• engine 84%
• air 30%
• turbine 25%
• temperature change 17%
• space transportation 14%
• transportation system 11%
• compressor 10%
• carbon 10%
• development project 9%
• sea level 7%
• oxidation 6%
• metal 5%
• resource 5%
• temperature 3%

Engineering & Materials Science

• Engines 58%
• Fans 42%
• Air 31%
• Turbines 26%
• Rotors 16%
• Carbon carbon composites 16%
• Air engines 16%
• Sea level 15%
• Jet engines 14%
• Temperature 13%
• Mach number 11%
• Oxidation 10%
• Orbits 10%
• Compressors 9%
• Metals 7%