@article{articleca0d0be5, title = {Numerical investigation on heat transfer and pressure drop in silver/water nanofluids flowing through tubes with variable expansion–contraction ratios}, author = {Bandarra Filho, Enio Pedone and Nascimento, Erick Oliveira do and Farooq, Muhammad and Cabezas Gómez, Luben}, year = {2025}, doi = {10.3390/en18010161}, journal = {Energies} }