Educational Wind Tunnels Upgrade

About Educational Wind Tunnels Upgrade

Upgrade legacy Educational Wind Tunnels with a modern data acquisition & control system designed for pre-2006 EWTs with square test sections and sting-type strain gauge balances. Built on National Instruments hardware and the LabVIEW platform, this solution delivers real-time data, precise control, and research-grade performancebringing older systems in line with current standards.

Key Features

• Real-Time Data Acquisition & Display
• Integrated Airspeed Control (Manual & Automatic Modes)
• Force & Moment Measurement Capability
• Plug-and-Upgrade Solution for Existing EWTs
• No LabVIEW License Required (Executable Provided)

Measured Parameters

• Airspeed
• Axial Force, Normal Force, Pitching Moment
• Angle of Attack (Model Position)
• Pressure (optional solid-state manometer)
• Selectable Units: SI & US Customary

Control Functionality

• Manual Mode: Fixed fan speed
• Automatic Mode: Maintains constant airspeed independent of model position

Technical Datasheet (Typical)

• DAQ System: National Instruments
• Software: Executable LabVIEW interface
• Airspeed Range: ~5 to 100 m/s (typical EWT range)
• Control Accuracy: 0.5%
• Data Rate: Up to 1 kHz (configurable)
• Force Balance: Sting-mounted strain gage (recalibrated)

Upgrade Package Includes

• Dell desktop computer with flat-screen monitor
• NI DAQ hardware + pre-configured LabVIEW executable
• Complete wiring, connectors, and cabling
• Anodized aluminium workstation
• 1st-order sting balance recalibration

Customer Scope

• Install cables and pressure tubing
• Calibrate pitch angle (guided procedure)
• Trade-in existing instrument panel
• Provide a stinger balance & electronics cabinet for factory calibration

Important Notes

• LabVIEW software license not required
• Compatibility with existing VFD controllers may vary
• Recommended to confirm system compatibility prior to upgrade