Parcourir par auteur "Flitris, Y."
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Degradation products of the process of thermal recovery of copper from lamina scraps in lab-scale fluidized bed reactor
Antonetti, P.; Flitris, Y.; Flamant, G.; Hellio, H.; Gauthier, D.; Granier, B. (2004)This paper presents experimental results dealing with a process for recovering copper in the scrap composite materials issued from electronic laminas industry. This environment-friendly process consists in the thermal ... -
NUMERICAL TREATMENT OF THE HEAT-TRANSFER FROM WALL TO FLUIDIZED-BED USING THE PARTICLE MODEL
Flitris, Y.; Hatzikonstantinou, P. (1993)The wall-to-fluidized bed conductive heat transfer process is studied in the case of glass particles, applying the ''particle-model''. A very accurate numerical method is developed within the implicit finite-difference ... -
Simulation of coal combustion in a bubbling fluidized bed by distinct element method
Zhou, H.; Flamant, G.; Gauthier, D.; Flitris, Y. (2003)T he distinct element method (DEM) is used to model combustion of coal particles in a bubbling fluidized bed. The gas phase is modeled as a continuum and the particle phase is modeled by DEM. The chemical reactions consist ... -
Surface treatments in fluidized bed reactors
Tsipas, D. N.; Flitris, Y. (2000)Heat treatments of alloys in fluidized bed reactors have been carried out for more than twentyfive years. More recently this technology has been used for carrying out nitriding, carburizing and similar surface treatments. ... -
Thermochemical treatments for protection of steels in chemically aggressive atmospheres at high temperatures
Tsipas, D. N.; Triantafyllidis, G. K.; Kipkemoi, J.; Flitris, Y. (1999)Boronizing is a well-known thermochemical treatment process that has found applications in a variety of industries. Boride layers on Fe-alloys present high hardness values (similar to 1900 Hv), good wear properties and are ... -
WALL-TO-BED HEAT-TRANSFER IN GAS SOLID FLUIDIZED-BEDS - PREDICTION OF HEAT-TRANSFER REGIMES
Flamant, G.; Fatah, N.; Flitris, Y. (1992)When studying heat transfer between a fluidized bed and immersed surfaces, three modes of heat transfer can occur, viz. conduction (particle convection), gas convection and radiation. A classical definition of the dominant ...