APL - Experimental Facilities

Experimental Facilities

SNU Hypersonic Shock Tunnel (SHyST)

High Mach, High enthalpy, High Reynolds shock tunnel
- Driver Tube : Length 3000mm / Dia. 100mm / Maximum Pressure 300bar
- Driven Tube : Length 8200mm / Dia. 100mm
- Nozzle : Mach ~6.8 / Throat Dia. 32mm / Exit Dia. 340mm / Length 1400mm
- Test Section : Length 2400mm / Dia. 1000mm / Pressure 20Pa
Schlieren visualization & BOS measurement
Planar Laser Scattering (PLS) / Rayleigh Scattering (RS)
Temperature Sensitive Paint (TSP)
Spectral Proper Orthogonal Decomposition (SPOD)
Shock interaction / Boundary layer transition

JY Kim, JH Kim, J Hur, BJ Lee, IS Jeung, Nozzle Flow Characterization of the SNU Hypersonic Shock Tunnel, The 3rd International Conference on High-Speed Vehicle Science Technology (2024)JH Kim, JY Kim, J Hur, BJ Lee, SPOD Analysis of Boundary Layer Transition on a 7 degree Cone in a Hypersonic Shock Tunnel, KSAS Spring Conference (2024)J Hur, JY Kim, BJ Lee, Prediction of Flow Parameters in Hypersonic Shock Tunnel Using FCD-BOS and PINN, The 34th International Symposium on Shock Waves (2023)JY Kim, JH Kim, J Hur, BJ Lee, Visualization of Hypersonic Flow Using Schlieren and BOS in SHyST, KSAS Space Conference (2023) J Hur, JY Kim, JH Kim, BJ Lee, Validation of Fast Checkerboard Demodulation for Improving Accuracy of Background-Oriented Schlieren Technique in Hypersonic Flow, KSPE Spring Conference (2023)

Reddy Shock Tunnel

Small-scale & educational-purpose Hypersonic shock tunnel
- Driver Tube : Length 400mm / Dia. 30mm
- Driven Tube : Length 600mm / Dia. 30mm
- Nozzle : Mach 6.3 / Throat Dia. 9.24mm / Exit Dia. 73.6mm / Length 159.5mm
- Test Section : Length 220mm / Depth 170mm / Height 170mm
Both free-piston & piston-driven modes are available
Test models can be 3D printable
2 pressure sensors in driven tube using NI DAQ system
Schlieren visualization & BOS measurement

*Students interested in hypersonic flow experiment are welcome to contact Pro. Lee for using Reddy Shock Tunnel.

Sudhiesh Kumar, C., and Reddy, K. P. J. “Experiments in Hand-Operated, Hypersonic Shock Tunnel Facility.” Shock Waves, Vol. 26, No. 6, 2016, pp. 845–849. https://doi.org/10.1007/s00193-015-0608-x.

Thermal Vacuum Chamber

*Students interested in using thermal vacuum chamber are kindly asked to contact gjwjdan135 [at] snu.ac.kr to make an appointment.

Vibration Test System

*Students interested in using vibration test system are kindly asked to contact gjwjdan135 [at] snu.ac.kr to make an appointment.