[1] Univ New Orleans, Dept Mech Engn, New Orleans, LA 70148 USA
[2] Indiana Univ, Cyclotron Facil, Bloomington, IN 47408 USA
[3] N Carolina Agr & Tech State Univ, Dept Mech Engn, Greensboro, NC 27411 USA
[4] Hong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China