1. Mechanical Engineering Department, Federal University of Espirito Santo, Vitória, Brazil
2. Graduate Program of Electrical Engineering, Federal University of Espirito Santo, Vitória, Brazil
3. I3N and the Physics Department, Universidade de Aveiro, Campus Universitário de Santiago, Aveiro, Portugal
4. Mechanical Engineering Department and the Graduate Program of Electrical Engineering, Federal University of Espirito Santo, Vitória, Brazil