Variable Density Wind Tunnel

About Variable Density Wind Tunnel

A specialized wind tunnel enabling controlled variation of air density and pressure for precise aerodynamic and sensor performance testing under realistic environmental conditions. Particularly suited for wind sensor validation at altitude-equivalent conditions.

 Facility Overview

• Type: Variable Density Wind Tunnel
• Application: Wind sensor classification, aerodynamic research, altitude simulation
• Unique Capability: Controlled air density variation via pressure adjustment

Test Section

• Dimensions (W H L): 0.5 0.5 0.9 m
• Configuration: Compact closed test section
• Contraction Ratio: 3.21 : 1

 Aerodynamic Performance

• Maximum Wind Speed: up to 15 m/s
• Flow Control: Smooth, adjustable airflow for precision measurements

Environmental Control

• Ambient Pressure Range: 0.7 1.1 bar (extendable up to ~1.3 bar typical capability)
• Temperature Range: 20C to +40C
• Density Variation: Enables simulation of high-altitude and varying atmospheric conditions

Testing Capabilities

• Wind sensor (anemometer) response under varying air densities
• Altitude simulation for performance validation
• Calibration and classification of measurement instruments
• Study of aerodynamic sensitivity to pressure and temperature changes

 Key Features

• Real measurement of density effects (beyond numerical simulation)
• Controlled pressure environment for accurate altitude replication
• Combined temperature and density testing capability
• High repeatability for sensor development and certification