Novel strategy for wide-range wind vector measurement using the hybrid CP/CTD heating mode and sequential measuring...

Area of Science:

• Meteorology and Atmospheric Science
• Sensor Technology
• Fluid Dynamics

Background:

• Traditional thermal wind sensors face limitations in high-velocity environments.
• Accurate wind vector measurement is crucial for various applications, including meteorology and renewable energy.

Purpose of the Study:

• To develop an improved wind measurement strategy for thermal wind velocity sensors.
• To enhance performance in high-velocity ranges and achieve accurate wind direction measurement.
• To create a practical instrument for wide-range, large-dynamic wind vector measurements.

Main Methods:

• A novel wind measurement strategy combining constant power and constant temperature difference driving modes for the heating element.
• Sequential measurement and correction technique, based on fluid dynamics, for wind direction determination.
• Development of a specialized instrument integrating these proposed approaches.

Main Results:

• The instrument demonstrated large dynamic wind velocity measurements from 0 to 60 m/s.
• Achieved wind velocity accuracy of ±0.5 m/s (0-20 m/s) and ±1 m/s (20-60 m/s).
• Attained wind direction accuracy of ±3° across the full 360° range.

Conclusions:

• The proposed strategy and instrument effectively address the limitations of existing thermal wind sensors.
• The developed instrument meets the requirements for wide-range and large-dynamic wind vector measurement applications.
• This technology offers a practical solution for accurate wind speed and direction monitoring.