Effect of Lubrication on Gear Efficiency: Experimental Investigation of Power Losses in a Spur Gear Pair. American Journal of Engineering , Mechanics and Architecture (2993-2637), [S. l.], v. 4, n. 5, p. 16–27, 2026. Disponível em: https://grnjournal.us/index.php/AJEMA/article/view/9447. Acesso em: 9 may. 2026.