1973/09/01 by MARSHALL C. BURROWS, M. C. Burrows, ANATOLE P. KURKOV +1 · 2 citations
Chemistry · Engineering · #Boundary layer #Chemistry #Combustion #Combustion and Detonation Processes #Combustion and flame dynamics #Combustion chamber #Computational Fluid Dynamics and Aerodynamics #Gas generator #Hydrogen #Ignition system #Mach number #Materials science #Mechanics #Mixing (physics) #Nozzle #Physics #Stagnation pressure #Static pressure #Supersonic speed #Thermodynamics #Total air temperature
paper · doi:10.2514/3.50564
openalex publication_date 1973/09/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Detailed probe measurements of total temperature, pressure, and composition were taken in a two-dimensional test section 35.6 cm downstream of hydrogen injection. A high pressure gas generator supplied Mach 2.44 vitiated air or inert gas at elevated temperatures and at a static pressure equal to that of the hydrogen. Special water-cooled probes and sampling techniques were developed for the short test times required by heat-sink hardware. Independent methods of measuring stream total temperatures are compared. For the pure mixing case, the computed composition profile agreed well with the experimental profile. The analysis takes into account the wall boundary layer and the initial boundary layer in the main stream. Ignition of hydrogen, as determined from photographic exposures of the radiating gases, varied from 30 to 10 cm downstream from injection for a 45 K increase in local free-stream static temperature.