Effect of ammonia concentration in the vapor mixture flowing out of the rectifier on the evaporator performance of the ammonia-water absorption refrigeration machine. Damascus University Journal for engineering sciences, [S. l.], v. 34, n. 2, 2021. Disponível em: https://journal.damascusuniversity.edu.sy/index.php/engj/article/view/682. Acesso em: 18 jun. 2026.