Innovative Airflow Sensing for Better Indoor Climate and Reduced Energy Use

Description of impact

Researchers from the Department of the Built Environment at Aalborg University have developed a new method and device for accurately measuring airflow in ventilation ducts – even at very low velocities down to 0.2 m/s, where existing technologies often fail. The system measures airflow close to the ventilation damper, where the velocity is higher, and combines this measurement with the damper’s position and a calculated correction. This provides a more accurate estimate of the overall airflow in the duct.

The solution is energy-efficient due to its low pressure drop, and it is robust against turbulence caused by bends and obstacles in the duct. It can be easily installed in existing systems and calibrates itself, making integration with ventilation control straightforward.

The patent is expected to have economic impact by reducing energy consumption and a quality of life impact, since it improves the indoor climate in buildings.

Category of impact	Economic impact, Quality of life impact