Olivero Novillo ML, Aguirre Pe J. Influence of roughness, aspect ratio and reynolds number on shea’r stress in channels and non-pressurized closed ducts. REV TEC FAC ING UNIV [Internet]. 1 [citado 13 de noviembre de 2025];28(1). Disponible en: http://www.produccioncientifica.luz.edu.ve/index.php/tecnica/article/view/5870