Experimental Hypersonics at the NASA Langley Research Center

Figure 15 shows the effectiveness of micro-ramps as well as micro-ramps as part of the hybrid flow control system with respect to inter- ramp spacing in the upwash and downwash

Time-step scaling ag (ITIME) 1 CFL 5-20 Turbulence CFL (CFLT) 1 Turbulence order (FSOT) 1 Turbulence model BSL Turbulent Input Quantities K 1E-6 Epsilon 0.3 Reference Quantities Mach

and Monson, D.J., “The Hypersonic Shock Wave- Turbulent Boundary Layer Interaction Generated by a Sharp Fin at Mach 8.2,” AIAA Paper No. and Shapey, B.L., “Structure

Pressure and Temperature Sensitive Paints (Experimental Fluid Dynamics); Springer-Verlag Berlin, Germany, 2004, pp. [16]Goodman, K.Z., Lipford, W.E., and Watkins, A.N.,

Configuration variables included open and closed east sidewall wall slots, air and R-134a test media, reentry flap settings, and stagnation pressures over the full range of tunnel

To identify the shock movement, distortion and unsteadiness during the processes of the supersonic starting jet impingement and shock wave boundary layer interaction (SBLI)

In the screening DOE study, there were 5 independent factor (design) variables considered. Using a Main Effects DOE strategy, there were 6 CFD cases run in the

• New Laboratory will integrate similar groups and functions from across the Center allowing for system engineering solutions that span concept-to-flight instrumentation research and

The NASA Langley Research Center has had a long and distinguished history in powered lift technology development. This research has formed the foundation of knowledge for the powered

M * = (Mass flux of the microjets) / (Mass deficit based on δ ) where, δ is the boundary layer thickness at the ramp leading edge. The mass flow rate, m in , through the supersonic

NASA Langley’s Technical Library continues to provide metadata to the Center for AeroSpace Information (CASI). The Langley Technical Reports Collection on DSpace continues to be

development of quantitative and practical inspection methods, data managements methods, models, and tools.. TC3 - Enhanced