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  • Propulsion team continues flow visualization study to save time, money

    Team members with the 717th Test Squadron, 804th Test Group, Arnold Engineering Development Complex at Arnold Air Force Base are continuing to collect shadowgraph measurements of high sound pressure level nozzle acoustic events to validate computational fluid dynamics, or CFD, prediction methods.To

  • CFD verifies new AEDC Hypervelocity Wind Tunnel 9 nozzle design

    The new Mach 18 nozzle design at the AEDC Hypervelocity Wind Tunnel 9 in White Oak, Maryland, near Silver Spring, has been successfully verified using computational fluid dynamic (CFD) codes.A new nozzle was needed to extend the range of desired conditions from the Mach 7, 8, 10 and 14 conditions