Similar to Tara’s research, it was found that anemometer placement further from the boundary layer proved more accurate. The CAD model was used in the Fluent solver to find an appropriate location to mount an anemometer and the corresponding factors of correction. To gain an understanding of the proper wind measurements, a CAD model of a transport truck was created in ANSYS SpaceClaim. By measuring and accounting for high wind gusts, the power output spent on pushing through the air can be significantly reduced, and if this can be done, a necessary parameter will be to properly measure wind speed from the moving truck. At highway speeds, 2/3 of a transport truck fuel efficiency can be attributed to aerodynamic drag.
My research has involved applying this technique to transport trucks to explore the potential of reducing drag effects to increase fuel efficiency. Tara Hanlon’s MSc thesis she demonstrated that CFD (computational fluid dynamics) can be used as a substitute to find the corrections based on vehicle speed and yaw angle to help deduce the proper measurements. This has proven to be a difficult task given the aerodynamic effects of the vehicle on the anemometer measurements. Measuring wind from a moving platform is an important part of more effectively measuring and accurately quantifying emissions.
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