List of Articles جریان حلقوی Open Access Article Abstract Page Full-Text 1 - 3 سیدمحمود خردمند اسماعیل اسماعیل زاده Open Access Article Abstract Page Full-Text 2 - Experimental Study of Interfacial Friction Factor and Shear Stress in Counter-current Two-phase Flow in a Vertical Pipe Arash Ghafouri Ashkan Ghafouri Abbas kosarineia Alireza Daneh-Dezfuli