Low speed wind tunnel Types of Wind Tunnels Dimensional Analysis and Similarity CLOSED CIRCUIT WIND TUNNELS Open Return Wind Tunnel Design and Construction WIND TUNNEL CONSTRUCTION Irregularities of flow in low speed tunnels Reduction of turbulence Wind Tunnel Fundamentals Physical parameters Wind tunnel measurements The Vectoflow calibration wind tunnel Wind tunnel contractions High Speed Wind Tunnel (HSWT) Blowdown Wind Tunnel TRANSONIC WIND TUNNELS SUPERSONIC WIND TUNNELS HOW WIND TUNNELS WORK Hypersonic wind tunnel Hypersonic impulse facilities Intake Performance Store Separation Wind Tunnel Instrumentation System smoke and tuft grid technique FLOW VISUALIZATION TECHNIQUE Visualization Techniques in a Wind Tunnel LDV - Laser Doppler Velocimetry Dye Injection Pressure Sensitive Paint