
DirectShear®-2D is a dual-axis, instrumentation-grade, robust, high-bandwidth, high-resolution, silicon micromachined differential capacitive wall shear stress sensor for subsonic and transonic applications.
The DirectShear-2D dual-axis sensor allows for scientists to obtain point vector measurements of turbulent boundary layers. With its easy-to-use, non-intrusive housing and unprecedented dynamic range, DirectShear-2D sensors provide aerospace engineers with a new tool to improve fundamental understanding of complex, three-dimensional flows and validate computational models, paving the way for the future of efficient aircraft.
Key Benefits
- Ability to measure mean and fluctuating wall shear stress
- Time-resolved, two-dimensional, direct shear stress measurements
- Compact, robust sensor package for flush mounting – minimal flow disturbance
- From 50 Pa to 300 Pa range depending on the sensor head
- From 0.2 mPa to 2 mPa resolution depending on the sensor head
Solution Sheet
Learn more about how the DirectShear®-2D can help you solve your skin friction measurement challenges
Measurement Principle
DirectShear shear stress sensing system represents the current state-of-the-art in wall shear stress measurement technology, using a differential capacitive sensor
Cylindrical package (0030 series) dimensions
- Sensor Head Diameter: 11.5 mm
- Mounting Shoulder Length: 6.4 mm (0.25″)
- Sensor Body (Mounting Shoulder) Diameter: 15.9 mm (0.63″)
- Total Length: 50.8 mm (2″)
- The main body of the sensor head contains a 2 mm x 8 mm keyway for proper alignment with the flow direction.

Sensor specifications

DirectShear® is a registered trademark of IC2. Used with permission. thinkic2.com

