FEA Analysis of Double Tube Heat Exchanger on Variable Baffle Pitch for Optimizing Thermal Efficiency. SMART MOVES JOURNAL IJOSCIENCE, [S. l.], v. 6, n. 6, p. 15–28, 2020. DOI: 10.24113/ijoscience.v6i6.291. Disponível em: https://ijoscience.com/index.php/ojsscience/article/view/291. Acesso em: 25 may. 2026.