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Research Facilities: Wind Tunnel Testing Laboratory

Introduced below are the research facilities managed and operated by the Institute of Technology. Click the name of a research facility to view the corresponding details.

research facilities Multi Purpose Testing Laboratory Fire Testing Block Environmental Testing Block Rock Testing Block Acoustic Laboratory Historical Gallery of Construction Technology Energy Plant Clean Room Laboratory Electromagnetic Environment Laboratory Geotechnical Centrifuge Laboratory Safety & Security Center Vibration Testing Laboratory Biotope Structural Testing Laboratory

Wind Tunnel Testing Laboratory

The Wind Tunnel Testing Laboratory develops measures to combat wind-induced vibrations, drawing on large-scale experiments conducted using first-rate facilities and equipment.
The Wind Tunnel Testing Laboratory is capable of recreating wind-related natural phenomena in order to confirm structural safety against winds and analyze wind-related effects on surrounding areas resulting from new building structures. In recent years, demand has grown for higher precision in environmental assessments of large-scale urban development projects and in studies of the "heat island" phenomenon. Accordingly, the Wind Tunnel Testing Laboratory features a comprehensive data-processing system to achieve higher measurement accuracy.

Example of wind tunnel experiment
Example of wind tunnel experiment


Example of image processing result
Example of image processing result

Description of Tests and Experiments

  • Wind environmental assessment for areas around buildings
  • Evaluation of wind load on exterior materials
  • Evaluation of wind load on structural framing
  • Prediction of exhaust dispersion around buildings
  • Visualization of air flows

Features of the Facilities

  • Large turntable (3 m in diameter)
  • Reproduction of wind at 500-m altitudes
  • Maintenance of high heat insulation
  • Multi-point pressure measuring system (up to 512 measuring points)
  • PIV measurement system

The Wind Tunnel Testing Laboratory was the first facility to incorporate the Partially Floating Structural System, which uses the buoyancy of water to achieve seismic isolation. This structure offers approximately 30% better seismic-isolation performance than ordinary seismic-isolation structures.

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