APL - 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, Y Park, J Nam, J Hur, JH Kim, BJ Lee, Development of Mach 6 Contoured Nozzle using CFD-Based Design Optimization Method, KSCFE Spring Conference (2024)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.

Clusters

Location

중앙전산원 (관악)

지능형 무인이동체연구동 (시흥)

신양학술정보관 (관악)

CPU / GPU

Intel® Xeon® Platinum 9242 Processor @ 2.30 GHz × 36

Intel® Xeon® Platinum 8380 Processor @ 2.30 GHz × 4

Intel® Xeon Phi™ Processor 7250 @ 1.40 GHz × 8

Intel® Xeon® Gold 6148 Processor @ 2.40 GHz × 2

Intel® Xeon® Silver 4210 Processor @ 2.20 GHz × 2

NVIDIA® Tesla® V100 × 2

Total CPU Cores

Total GPU Cores

Cores

1888

544

10240

2492

10240

Equipments

Ultra High-speed Camera ( Phantom TMX 6410-FAST)

Full resolution: 1280 x 800 pixels at 65,900pps
Maximum FPS: 1,560,000 fps
Shutter Speed : minimum 1㎲ standard / 95ns or 38ns with Fast option
Top FPS at Max Resolution: 65,940 fps

Pixel Size : 18.5µm / 37 µm Binned
Bit Depth: 12 bit
Programmable I/O - Assign and define camera signals
Very high native light sensitivity, made possible by the back side illuminated (BSI) sensor.
Detailed specification: https://www.phantomhighspeed.com/products/cameras/tmx/5010

Rent is available for SNU community members with the following fees:

Appointments must be made by email (gjwjdan135 [at] snu.ac.kr, only SNU google account can view the calender).
One-day fee: 20,000 won per day.
Renters must sign the rental and usage agreement for TMX6410
If you need to rent for more than a month or more information, please contact Jungmu Hur via email at gjwjdan135@snu.ac.kr.

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.