1. Mechanical Engineering Department, Federal University of Piauí, Teresina, Brasil
2. Physics Department, Federal University of Piauí, Teresina, Brasil
3. Textile Engineering Department, Federal University of Rio Grande do Norte, Natal, Brasil
4. Mechanical Engineering Department, Federal University of Rio Grande do Norte, Natal, Brasil
5. Department of Physics, Women University of AJ&K, Bagh, Pakistan