// Dr.-Ing. Glykeria Duelli (Varela)

Research Departments

Renewable energy sources and processes


+49 711 78 70-319


Since 2019: Post-Doc Researcher, ZSW, Stuttgart, Germany

2010 to 2014: Research Scientist, Institute of Combustion and Power plant Technology, University of Stuttgart, Germany

2010 to 2014: PhD study, Faculty of Energy Technology, Process and Biochemical Engineering, Institute of Combustion and Power Plant Technology, University of Stuttgart, supervised by Univ.-Prof. Dr. techn. G. Scheffknecht, Germany

2007 to 2010: Project Engineer in turn-key energy production projects, METKA SA, Athens, Greece

2005 to 2008: Master in Business Administration (Techno-economical Systems), School of Electrical and Computer Engineering, National Technical University of Athens

1998 to 2003: Diploma in Energy Mechanical Engineering, School of Mechanical Engineering, National Technical University of Athens, Greece

Fields of activity

  • Fluidized bed systems combining various field of science i.e. hydrodynamics, thermodynamics and kinetics
  • Combustion and firing systems
  • Raw material recycling and utilisation i.e. Phosphor extraction from waste water treatment plants
  • Zero emission technologies i.e. CO2 capture and utilisation, oxyfuel combustion

Selection of Publications

  • Duelli, G.; Bidwe, A.; Papandreou, I.; Dieter, H.; Scheffknecht, G.: Characterization of the oxy-fired regenerator at a 10 KWth dual fluidized bed calcium looping facility Applied Thermal Engineering, Volume 74, 5 January 2015, pp. 54–60. https://doi.org/10.1016/j.applthermaleng.2014.03.042
  • Duelli, G.; Charitos, A.; Diego, M.E.; Stavroulakis, E.; Dieter, H.; Scheffknecht, G.: Investigations at a 10 KWth calcium looping dual fluidized bed facility: Limestone calcination and CO2 capture under high CO2 and water vapor atmosphere International Journal of Greenhouse Gas Control, Volume 33, February 2015, pp. 103–1 12. https://doi.org/10.1016/j.ijggc.2014.12.006
  • Duelli, G.; Charitos, A.; Armbrust, N.; Dieter, H.; Scheffknecht, G.: Analysis of the calcium looping system behavior by implementing simple reactor and attrition models at a 10 kWth dual fluidized bed facility under continuous operation Fuel, Volume 169, 1 April 2016, pp. 79-86. https://doi.org/10.1016/j.fuel.2015.11.070
  • Bidwe, A.; Duelli, G.; Dieter, H.; Scheffknecht, G.: Experimental study of the effect of friction phenomena on actual and calculated inventory in a small-scale CFB riser Particuology, Volume 21, August 2015, pp. 41–47. https://doi.org/10.1016/j.partic.2014.12.002
  • Armbrust, N.; Duelli, G.; Dieter, H.; Scheffknecht, G.: Calcium looping cycle for hydrogen production from biomass gasification syngas - experimental investigation at a 20 kWth dual fluidized bed facility Industrial & Engineering Chemistry Research, 2015, 54 (21), pp. 5624-5634. https://doi.org/10.1021/acs.iecr.5b00070
  • Antiohos, S.; Dieter, H.; Duelli, G.; Montagnaro, F.; Scala, F.; Fragoulis, D.: Low Embodied Carbon Cement Using Ca- Looping Purged Sorbent in Clinker Making Process Proceedings: 1st Concrete Innovation Conference, 11th - 13th June, 2014, Oslo, Norway; 2014 (3)
  • Dieter, H.; Bidwe, A.; Duelli, G.; Charitos, A.; Hawthorne, C.; Scheffknecht, G.: Development of the calcium looping CO2 capture technology from lab to pilot scale at IFK, University of Stuttgart Fuel. Volume 127, July 2014. https://doi.org/10.1016/j.fuel.2014.01.063
  • Telesca, A.; Calabrese, D.; Marroccoli, M.; Tomasulo, M.; Valenti, G.L.; Duelli, G.; Montagnaro, F.: Spent limestone sorbent from calcium looping cycle as a raw material for the cement industry Fuel, Volume 118, 15 February 2014, pp. 202–205. https://doi.org/10.1016/j.fuel.2013.10.060