1. Department of Mechanical Engineering, PoliteknikNegeri Padang, Padang, Indonesia
2. Institute of Engineering, Ho Chi Minh City University of Technology (HUTECH), Ho Chi Minh City, Vietnam
3. Department of Physics, Faculty of Mathematics and Natural Sciences, Andalas University, Padang, Indonesia
4. Department of Physics, Faculty of Mathematics and Natural Sciences, Riau University, Pekanbaru, Indonesia
5. Faculty of Mechanical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, Vietnam