1. Department of Mechanical Engineering, P.O. Box 9552, Mississippi State University, Mississippi State, Mississippi 39762, USA
2. Dave C. Swalm School of Chemical Engineering, P.O. Box 9595, Mississippi State University, Mississippi State, Mississippi 39762, USA
3. Department of Physics & Astronomy, P.O. Box 5167, Mississippi State University, Mississippi State, Mississippi 39762, USA