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Research - Aerodynamics
Subsonic, Transonic, Supersonic, Hypersonic, Rarefied Gas Flows (Theoretical and Experimental)
Boundary Layers and Stability of Flows, Turbulent Flows
Shock Tubes and Related Problems
Development of Algorithms and Code for Numerical Methods in Gas Dynamics and Computational Fluid Dynamics
Vortex Dynamics, Supersonic Mixing and Combustion
Optical Flow Diagnostics
Facilities Available
Combustion driven shock tunnel
Both reflected and straight modes are possible
Mach number range 5-12
Enthalpy levels upto 6 MJ
Moving shock problems
Low density tunnel
Only one of its kind in South-East Asia
Can simulate high altitude flow condition covering continuum to transitional flow regimes.
Supersonic wind tunnels
Operating at different supersonic speeds ranging M = 1.5-3.6
Free jet facilities
Transonic wind tunnel
Self-correcting, induction type
Operating range M = 0.8-1.2
Compressor
2-staged reciprocating water cooled type
Operated by 90 KW motor
Maximum discharge of about 510 m3/hour
Air reservoirs
3 in number
Capacity of 12 m3, with maximum pressure of 1750 KN/m2
Strut based mixing enhancement facility
Operation at supersonic mach numbers
Option to change the test section
Supersonic combustion facility
Cavity based flame holding facility
Facility for oscillatory combustion response of premixed flames
Particle image velocimetry
Doubled pulsed laser with power supllying unit
Can be used from low subsonic to supersonic mach numbers
Phase Doppler Particle Analyzer
3-component system measurement
Pressure measurements
Piezo-electric type transducer for unsteady pressure measurements
Piezo-resistive type transducer for time mean pressure measurements
Thermal measurements
Platinum-Rhodium thermocouple for flame temperaure in supersonic combustion
Diagnostic Techniques
Mixing studies by planar mie-scattering technique
flow field studies in supersonic flow by schlieron and shadowgraph methods
Glow discharge visualization of low density free jets
interferometric methods for shear stress measurements in low density jet impingement
Acetone and Iodine PILF for mixing concentration measurements
Spray PLIF for volume and spatial diameter distribution
Instruments
CCD camera
Laser
Optical Mirrors
Lenses
Light sourses
Pitot and static probes
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