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Jun.-Prof. Dr. Neda Djordjevic

Neda Djordjevic


Kontakt

Raum HF-117
Telefon: +49 30 314-29179
Sprechzeiten: nach Vereinbarung
E-Mail-Anfrage [1]

Publikationen

Gasification of high viscous slurry R&D on atomization and numerical simulation
Zitatschlüssel jakobs_gasification_2012
Autor Jakobs, T. and Djordjevic, Neda and Fleck, S. and Mancini, M. and Weber, R. and Kolb, T.
Seiten 449–456
Jahr 2012
ISSN 0306-2619
DOI 10.1016/j.apenergy.2011.12.026
Journal Applied Energy
Jahrgang 93
Nummer Supplement C
Serie (1) Green Energy; (2)Special Section from papers presented at the 2nd International Enery 2030 Conf
Zusammenfassung Biomass and low rank fuel gasification is a very promising process for conversion of fuels to a high quality fuel (Syngas). In the present paper research work on the design of a high pressure entrained flow gasifier for biomass based fuels is shown. Atomization quality of twin fluid nozzles as a function of gas velocity and reactor pressure is analyzed. The developed and characterized atomizers are used in an atmospheric entrained flow gasifier, to detect the influence of spray quality on gasification process. Furthermore, a CFD model of a high pressure entrained flow gasifier was developed. A significant influence of gas velocity and reactor pressure on Sauter Mean Diameter (SMD) of the produced spray was detected. Increasing gas velocity decreases the SMD, whereas increasing reactor pressure leads to the increase in drop diameter. An influence of SMD on gasification process was observed from organic carbon and methane concentration measurements as well as from the radial temperature profiles at various positions along the reactor centerline. Finally the CFD model of high pressure entrained flow gasification of biomass based slurries shows a very pronounced influence of drop size distribution on gasification quality.
Link zur Publikation [2] Download Bibtex Eintrag [3]
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