HELICAL TWISTED EFFECT OF SPIRAL PIPE IN GENERATING SWIRL FLOW FOR COAL SLURRIES CONVEYANCE. Jurnal Teknologi, [S. l.], v. 79, n. 7-3, 2017. DOI: 10.11113/jt.v79.11899. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/11899.. Acesso em: 22 may. 2024.