Optimization and Unsteady Flow Mechanisms in Bidirectional Axial-Flow and Tubular Pump Systems: A Comprehensive Theoretical and Performance-Oriented Investigation. International journal of aerospace and aeronautical engineering, [S. l.], v. 6, n. 01, p. 1–7, 2026. Disponível em: https://www.academicpublishers.org/journals/index.php/ijaae/article/view/9581.. Acesso em: 15 feb. 2026.