1. Researcher, Dept. of Mechanical Engineering., Politecnico di Milano, via La Masa 1, 20156 Milano, Italy (corresponding author).
2. Researcher, Wind Tunnel, Politecnico di Milano, via La Masa 34, 20156 Milano, Italy.
3. Professor, Dept. of Mechanical Engineering, Politecnico di Milano, via La Masa 1, 20156 Milano, Italy.