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Prof. Majid Ghassemi
K.N. Toosi University, Iran
Numerical Investigation of Dynamic Behavior of Micro-Tubular Single-Chamber Solid Oxide Fuel Cell
Single-chamber solid oxide fuel cell (SC-SOFC) operates on premixed fuel and oxidant gaseous mixture diluted by a balance gas such as nitrogen in order to keep the mixture safe. Almost all reports show very low electrical efficiencies, less than 5%, for SC-SOFC. Therefore most researches are experimental and mainly focus on enhancing the efficiency of SC-SOFC. Recent numerical models are considering the micro-tubular single-chamber solid oxide fuel cell (MT-SC-SOFC). The models do not consider the dynamic behavior of MT-SC-SOFC, I.e. do not track cell temperature variation with time. Dynamic behavior of the MT-SC – SOFC enables the researchers to understand the mechanical stability of the cell during any proposed operation. The purpose of this lecture is to look at the dynamic behavior of a MT-SC-SOFC. The presentation covers the behavior of current density with voltage and look at other parameters that effect the efficiency of the cell.
Majid Ghassemi is a Professor of Mechanical Engineering Department at K. N. Toosi University of Technology; one of the most prestige’s technical university in Tehran, Iran. He is currently a Visiting Professor at Centre for Hydrogen and Fuel Cell Research at the University of Birmingham. He teaches graduate and under graduate courses and conduct research in area of heat transfer and its application in drug delivery, fuel cell and alternative energy. He has over 20 years of academic and industrial experience and served as Chancellor of K. N. Toosi University from 2010 through 2013. Prof. Ghassemi has also served in several public and private board and panels and supervised several undergraduate, masters and PhD students, published several books and many journal and conference papers. Prof. Ghassemi is currently an Editor-in-Chief of International Journal of Prevention and Treatment and Managing Editor of American Journal of Mechanical Engineering (AJME). He is also an Editorial Board member for many international journals. He received his Ph.D. in Mechanical Engineering from Iowa State University in 1993.
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