List of Articles Fluid Dynamics Open Access Article Abstract Page Full-Text 1 - Evaluation of the magnetic field effect on stepped solar still efficiency hamidreza goshayeshi kimya samadi vahid nejati Reza Saleh Isaa Chaer Open Access Article Abstract Page Full-Text 2 - Experimental Investigation of Hybrid Nanofluids Influence on Engine Oil Rheology and Associated Pumping Power Requirements abbas kamaloo davoud firouzi Mohammad Abbaszadeh