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Open Loop Wind Tunnel
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
  • Quick Access Panel
  • Sensor Ports (18)
  • Change Flow Rates by Controlling the (4) Fan On/Off
  • Operate Vertically or Horizontally
  • Observe Flow Distribution Through the All Plexiglas® Test Section
  • Applications
  • Component Temperature Testing: Evaluate the Effects of Air Flow on an Individual or Multiple Component’s Temperature and PCB Response and Reliability
  • Heat Sink Characterization: Natural or Forced Convection
  • Sensor Calibration with Calibrated Flow Sensors (Sold Separately)
  • Aerodynamic and Pressure Drop Measurement: Measure the Effect of Air Flow on Drag and Pressure Drop for Components and Boards
  • Multiple PCB Testing: Test Actual or Simulated PCBs for Thermal and Flow Distribution*
 Manuals (contact with email : [email protected])


The WT-3100 is a research quality wind tunneldesigned for PCB and component level testing. It isused in air flow characterization and flow visualization,thermal resistance measurements, and generation ofP-Q curves.The wind tunnel can be used to characterizedifferent heat sink sizes for natural and forcedconvection cooling. Two heat sinks can be tested sideby side to determine their thermal performance in thesame environment. Actual or simulated PCBs can betested for thermal flow distribution and pressuredrop characterization.Fans are tray-mounted and easily replaced withanother tray to accommodate larger or smaller fans.The air velocity in the test section can be varied from0.5 m/s (100 ft/min) to 10 m/s (2000 ft/min).The WT-3100 has 18 sensor ports on the front andsides of the test section, which allows inserting of avariety of probes, such as thermocouples, pitot tubes,velocity measuring sensors, etc. It can be operatedboth vertically and horizontally. The test section ismade of Plexiglas® for ease of flow visualization.The mounting plate can be adjusted in 2 directionsusing appropriate length standoffs. The flexibility of themovable mounting plate allows users to design andbuild their own modifications to suit specific needs.The WT-3100 has honeycombs and screens tosuppress turbulence and provide uniform and nearhomogeneous flow at the test section. A mounteddiffuser at the exit and before the fans helps withpressure recovery to provide a smooth flow. Railguides are provided so the unit position canbe adjusted.A switch box is provided with the unit so some fans canbe turned off for lowest possible air flow. An optionalheat slug will provide the heat performance for devicesor heat sinks under test for thermal analysis. The heatslug is mounted flush with the surface, so there is nodimensional change to the objects under test. Sensorsto measure the flow parameters are also available bytrodeks as optional accessories.

Wind Tunnel: 197.6 L x 81.3 W x 68.6 cm D (77.8 x 32 x 27")
Test Section: 60.9 L x 40.6 W x 8.2 cm D (24 x 16 x 3.2")
Number of Sensor Ports: 18
Flow Range: 0 to 10 m/s (0 to 2000 ft/min)
Flow Uniformity: ±1%
Weight: 51.7 kg (114 lb)
Power Supply Requirements: 24 Vdc at 4.3 Amps (Power supply provided by customer)
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