Scramjet performance achieved in engine tests from M4 to M8 flight conditions

Physics & Astronomy

• engine tests 100%
• supersonic combustion ramjet engines 89%
• flight conditions 89%
• thrust 68%
• engines 27%
• performance 26%
• struts 12%
• boundary layers 8%
• boundary layer control 7%
• bleeding 6%
• flow separation 6%
• ramps 5%
• injection 3%

Earth & Environmental Sciences

• engine 56%
• thrust 52%
• flight 51%
• test 23%
• boundary layer 10%
• combustion engine 6%
• comparison 1%

Engineering & Materials Science

• Engines 38%
• Boundary layers 24%
• Struts 19%
• Flow separation 10%
• Mach number 8%