Mach 2 Cavity Tunnel
Key features:
Dimensions similar to ADDICT model (AFRL)
Nozzle designed with method of characteristics
Nozzle blocks made from solid aluminum on a CNC machine. Anodized for additional protection
Instrumented for cavity acoustics research
Equipped with base plate to handle store separation studies
Modular design for flow control applications and easy reconfiguration
Optical access from four sides for schlieren, high speed photography and PIV measurements
Auxiliary systems available for suction and blowing flow control
Figure 1. Schematic of the Mach 2 Cavity Tunnel
Figure 2. Details of the optical access and removable flow control blocks
Figure 3. Walls made from optical quality acrylic
Figure 4. Qualification tests
Schmit, R. F., Grove, J. E., Ahmed, A., “Analysis of High-Speed Shadowgraph Images of a Cavity with Passive Flow Control in a Mach 0.7 Flow.” Submitted to J. Fluids Engineering.
Schmit, R. F., Grove, J. E., Ahmed, A., “Examining Passive Flow Control using High Speed Shadowgraph Images in a Mach 1.5 Cavity Flow Field” Journal of Flow Control, Vol. 5, No. 3, 2013, pp. 153 - 185