mehran hashemian

energy conversion, grade point average (GPA) is 17.11 1-ResearchPaper (ISI) Elsevier, Applied Thermal Engineering102 (2016) 1228–1237 2016 A comprehensive numerical study on multi-criteria design analyses in a novel form (conical) of double pipe heat exchanger 2-ResearchPaper (ISI) Elsevier, Applied Thermal Engineering 118 (2017) 408–417. 2017 Enhancement of heat transfer rate with structural modification of double pipe heat exchanger by changing cylindrical form of tubes into conical 3-Research Paper (ISI) Elsevier, Energy 91 (2015) 678e684 . 2015 The effect of flow, thermodynamic andgeometrical characteristics onexergy loss in shell and coiled tube 4- Research Paper (ISI) Elsevier, Experimental Thermal and Fluid Science 76 (2016) 118–125.2016 A comprehensive second law analysis for tube-in-tube helically coiled heat exchangers