Low Speed Wind Tunnel

About Low Speed Wind Tunnel

Marketing Overview

Our low-speed wind tunnel systems are precision-engineered for advanced aerodynamic research, development, and testing across aerospace, automotive, and industrial applications. Designed with configurable open- or closed-circuit layouts, these systems deliver highly uniform, low-turbulence airflow for accurate and repeatable results.

With flexible test section geometries, scalable velocity ranges, and advanced instrumentation integration, the wind tunnel supports a wide range of experimental requirementsfrom basic flow visualization to complex aerodynamic force and stability studies. Energy-efficient designs, modular construction, and customizable configurations ensure optimal performance tailored to your research needs.

Technical Datasheet (Generalized Ranges)

1. System Configuration

• Circuit Type: Open-Circuit / Closed-Circuit
• Test Sections: Single / Dual / Triple (optional)
• Test Section Type: Open or Closed

2. Test Section Specifications

• Shape Options: Rectangular / Circular / Octagonal / Elliptical
• Typical Cross-Section Area: 0.25 m 200 m
• Typical Length: 1 m 30 m
• Access: Removable panels / viewing windows

3. Airflow Performance

• Velocity Range:
  0.2 m/s 100 m/s (custom designs may exceed this)
• Velocity Uniformity:
  0.5% to 1% across test section
• Turbulence Intensity:
  < 0.2% 1% (depending on configuration)

4. Flow Quality & Efficiency

• Energy Ratio (Er):
  3 6 (closed test section)
• Drive System Efficiency ():
  70% 90%

5. Drive System

• Fan Type: Axial / Mixed-flow
• Motor Power Range:
  5 kW 100 MW (depending on scale)
• Speed Control: Variable Frequency Drive (VFD)

6. Simulation Capability

• Reynolds Number (Re):
  Up to 10 10 (depending on size and speed)
• Additional Parameters (Optional):
• Froude Number (Fr)
• Mach Number (low subsonic regime, typically < 0.3)
• Rotor Tip Mach Number (rotorcraft studies)

 7. Flow Conditioning

• Honeycomb straighteners
• Multi-layer damping screens
• Contraction ratio: 4:1 12:1

8. Instrumentation (Optional)

• Velocity measurement (Pitot-static tubes, hot-wire anemometry)
• Pressure measurement systems
• Force & moment balances
• Flow visualization (smoke, tufts, PIV-ready setups)
• Data acquisition system (DAQ)

9. Applications

• Aerospace aerodynamic testing
• Automotive drag and flow studies
• Wind engineering and environmental simulation
• Industrial product aerodynamics
• Academic and research institutions

10. Optional Configurations

• Acoustic wind tunnel
• Icing wind tunnel
• Vertical wind tunnel
• Atmospheric boundary layer tunnel
• Pressurized / variable-density tunnel
• Water tunnel variant

11. Customization

• Test section dimensions
• Velocity range
• Number of test sections
• Instrumentation packages
• Working fluid (air, compressed air, water)