1. Department of Mechanical Engineering, Eskişehir Technical University, 26555 Eskişehir, Turkey
2. Thermal Protection Materials Branch, NASA Ames Research Center, Moffett Field, California 94035, USA
3. Department of Industrial Engineering, Eskişehir Technical University, 26555 Eskişehir, Turkey
4. Department of Physics, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium