Browsing by Author "Mat M.D."
Now showing items 1-8 of 8
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Application of a bubble-induced turbulence model to subcooled boiling in a vertical pipe
Mat M.D.; Kaplan Y.; Ilegbusi O.J. (ASME, Fairfield, NJ, United States, 1999)Subcooled boiling of water in a vertical pipe is numerically investigated. The mathematical model involves solution of transport equations for vapor and liquid phase separately. Turbulence model considers the turbulence ... -
Application of an internal variable model to the mushy zone in alloy solidification
Mat M.D.; Aydemir G.; Kaplan Y. (2001)In this study, the solidification of a generic binary alloy in a two-dimensional cavity is numerically investigated. The mushy region that is formed during solidification is considered a non-Newtonian fluid, then a critical ... -
Effect of grinding time of synthesized gadolinium doped ceria (GDC10) powders on the performance of solid oxide fuel cell
Ceria-based materials are prospective electrolytes for low and intermediate temperature solid oxide fuel cells. In the present work, fully dense CeO2 ceramics doped with 10 mol% gadolinium (Gd0.1Ce0.9O1.95) were prepared ... -
Heat and mass transfer of hydrogen storage in metal-hydrogen Reactors
Kaplan Y.; Mat M.D.; Ibrahimoglu B.; Veziroglu N.; Alibeyli R.; Kuliyev S. (2006)Hydrogen energy is the best alternative to fossil fuels due to its high calorific value and being environmentally friendly. Hydrogen also produces more energy per unit weight than any other fuel. However, storage problem ... -
Investigation of thermal aspects of hydrogen storage in a LaNi5-H2 reactor
Kaplan Y.; Ilbas M.; Mat M.D.; Demiralp M.; Veziroglu T.N. (2006)In this work, hydrogen absorption in a LaNi5-H2 reactor is investigated experimentally and numerically. Experimental measurements were carried out on a cylindrical metal-hydride reactor filled with LaNi5 alloy. During the ... -
A mathematical model for hydrogen evolution in an electrochemical cell and experimental validation
Mat M.D.; Kaplan Y.; Ibrahimoglu B.; Veziroglu N.; Alibeyli R.; Kuliyev S. (2006)Electrochemical reaction is largely employed in various industrial areas such as hydrogen production, chlorate process, electroplating, metal purification etc. Most of these processes often take place with gas evaluation ... -
Numerical analysis of hydrogen storage in metal-hydride beds [Metal-Hidrid Yataklarda Hidrojen Depolanmasinin Sayisal Analizi]
In this study, hydrogen absorption in a metal-hydride bed is numerically investigated. The mathematical model considers the heat and mass transfer and the chemical reaction that take place during the absorption. The hydride ... -
Prediction of phase segregation during mold filling of semi-solid slurries
Mat M.D.; Ilegbusi O.J. (ASME, Fairfield, NJ, United States, 1999)Phase segregation during the mold filling of semi-solid slurry (Sn-15%Pb) is numerically investigated under non-isothermal conditions. The effects of operating parameters on the phase segregation including inlet velocity, ...
