SK KARTHICK - Hi-SEAL

Hi-SEAL
(High-Speed Experimental Aerodynamics Laboratory)

Hi-SEAL — Experimental Resources

HYPERSONIC LUDWIEG TYPE WIND TUNNEL

RUN TIME: 12 ms
DRIVER PRESSURE: 3 – 10 bar
DRIVER TEMPERATURE: 300 – 500 K
MACH NUMBER: 5, 6, 7, 8, 9
REYNOLDS NUMBER: 0.5-1.6x 10^7 / m
TEST SECTION (FREE JET): 75 mm dia.
WORKING FLUID: Air, Nitrogen, Argon, Helium

SUPERSONIC BLOW-DOWN TYPE WIND TUNNEL

RUN TIME: 10 - 20 s (compressed dry air as the working fluid)
TOTAL PRESSURE: 3 – 10 bar
TOTAL TEMPERATURE: 300 K
MACH NUMBER: 2, 2.5, 3
REYNOLDS NUMBER: 2.2-12.2 x 10^7 / m
TEST SECTION: 100 x 100 sq. mm

TRANSONIC BLOW-DOWN TYPE INDUCTION WIND TUNNEL

RUN TIME: 10 - 20 s (ambient air as the driven fluid and compressed air as the driving fluid)
INDUCTION TOTAL PRESSURE: 3 – 10 bar
INDUCTION TOTAL TEMPERATURE: 300 K
TEST SECTION MACH NUMBER: 0.3 – 1.1
REYNOLDS NUMBER: 1.9-14.8 x 10^7 / m
TEST SECTION: 100 x 100 sq. mm

FREE-JET BLOW-DOWN FACILITY

RUN TIME: 20 - 30 s (ambient air as the working fluid)
TOTAL PRESSURE: 2 – 20 bar
TOTAL TEMPERATURE: 300 K
FREE-JET EXIT MACH NUMBER: 1.0 – 2.6
REYNOLDS NUMBER: 3 - 30 x 10^7 / m
MAXIMUM JET-THROAT DIAMETER: 20 mm
AEROACOUSTIC STUDIES, TOTAL PRESSURE DECAY STUDIES
THRUST MEASUREMENTS, PIV/PLIF/SCHLIEREN VISUALIZATIONS

LIGHT GAS GUN - Mk I

LENGTH OF DRIVER TUBE: 4 m (U-SHAPED)
VOLUME OF DRIVER TUBE: 5.5 L
MAXIMUM DRIVER PRESSURE: 10.5 bar
LENGTH OF BARREL: 8 m
DIAMETER OF BARREL: 17 mm
DIAMETER OF PROJECTILE: 16.5 mm
LENGTH OF PROJECTILE: 34 mm
PROJECTILE TYPE: HOLLOW BASE, MADE OF PLA (POLYLACTIC ACID)
MASS OF PROJECTILE: 3 g
LIGHT GAS: HELIUM (He)

LIGHT GAS GUN - Mk II

LENGTH OF DRIVER TUBE: 4 m (U-SHAPED)
VOLUME OF DRIVER TUBE: 5.5 L
MAXIMUM DRIVER PRESSURE: 50 bar
LENGTH OF BARREL: 9.5 m
DIAMETER OF BARREL: 16 mm
DIAMETER OF PROJECTILE: 8 mm
LENGTH OF PROJECTILE: 37 mm
PROJECTILE TYPE: ARMOR PIERCING (CARBON STEEL)
MASS OF PROJECTILE: 13 g
LIGHT GAS: HELIUM (He)

PLASMA ARC JET FACILITY

POWER RANGE: 30–50 kW
PLASMA GASES: Air and argon
ARC CURRENT / VOLTAGE: Up to 400 A / 200 V
TORCH EFFICIENCY: ≥60% (specified)
TORCH CONSTRUCTION: SS304 body with copper-hafnium electrodes
SUPPORT SYSTEMS: Chiller unit, gas-flow control panel, and dedicated power supply
PROBE POSITIONING: Motorized claw-probe assembly for plasma-jet measurements

Experimental workspace at the Hi-SEAL, IIT Hyderabad, supporting experimental research, flow visualization, and fluid flow parameter measurements.
(Location: PG Shed Lab 5)

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