Affiliation: | (1) Departamento de Fluidos y Térmica Facultad de Ingenieria, U.N.A.M., 04510 México, D.F., Mexico;(2) Department of Aerospace & Mechanical Engineering, Universite of Notre Dame, 46556 Notre Dame-In;(3) Laboratorio de Energia Solar, IIM-U.N.A.M., 62580 Temixco, Mor., Mexico |