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Christian Hotz

Dipl.-Ing. Christian Hotz

room: B430/R102
phone: (+49 721 608-)29233
Christian HotzYrt5∂kit edu

Karlsruher Institut für Technologie
Institut für Technische Chemie
Postfach 3640
76021 - Karlsruhe



 

Department Gasification Technology

 

 

Main Activities:

 

  • Entrained flow gasification of biomass-based fuel suspensions under atomspheric conditions
     
  • Modelling of the thermo-chemical processes in entrained flow gasifier
     
  • Investigation of the entrainment of turbulent two-phase free jets under ambient conditions
     
  • Characterization of the near-burner field with optical measuring techniques

 

Veröffentlichungen


Entrained Flow Gasification Part 1 : Gasification of Glycol in an Atmospheric-pressure Experimental Rig.
Fleck, S.; Santo, U.; Hotz, C.; Jakobs, T.; Eckel, G.; Mancini, M.; Weber, R.; Kolb, T.
2018. Fuel, 217, 306-319. doi:10.1016/j.fuel.2017.12.077
Infrared absorption spectrometer for the determination of temperature and species profiles in an entrained flow gasifier.
Nau, P.; Kutne, P.; Eckel, G.; Meier, W.; Hotz, C.; Fleck, S.
2017. Applied optics, 56 (11), 2982-2990. doi:10.1364/AO.56.002982
Measurement of the equivalence ratio in an atmospheric gasifier using laser induced breakdown spectroscopy.
Kutne, P.; Ebenhoch, M.; Meier, W.; Fleck, S.; Hotz, C.
2016. Optics InfoBase Conference Papers. Laser Applications to Chemical, Security and Environmental Analysis, LACSEA 2016; Kongresshaus Stadthalle HeidelbergHeidelberg; Germany; 25 July 2016 through 28 July 2016, OSA - The Optical Society, Wahington (DC). doi:10.1364/LACSEA.2016.LM2E.2
Measurement of the equivalence ratio in an atmospheric gasifier using laser induced breakdown spectroscopy.
Kutne, P.; Ebenhoch, M.; Meier, W.; Fleck, S.; Hotz, C.; Kolb, T.
2016. 2016 Imaging and Applied Optics Congress, Heidelberg, 25.-28.07.2016
Development of an infrared absorption spectrometer for height resolved temperature and species concentration measurements in a gasifier.
Nau, P.; Kutne, P.; Eckel, G.; Meier, W.; Hotz, C.; Fleck, S.
2016. 2016 Imaging and Applied Optics Congress, July 25- 28, 2016 Heidelberg, Germany, OSA, Washington, DC. doi:10.1364/LACSEA.2016.LM2E.3
Insight into the injector near-field of a glycol-fueled entrained-flow gasifier by numerical simulation with detailed chemistry.
Eckel, G.; Sänger, A.; Hotz, C.; Tomasello, A.; Kathrotia, T.; Rachner, M.; LeClercq, P.; Aigner, M.
2016. Innovative Coal Value Chains, 8th International Freiberg Conference on IGCC & XtL Technologies, Köln, 12.-16.06.2016
LES of a reactive, multi-phase flow in the injector near field of an entrained flow gasifier.
Eckel, G.; Saenger, A.; Hotz, C.; Kathrotia, T.; Rachner, M.; Le Clercq, P.; Aigner, M.
2016. ICMF 2016 International Conference on Multiphase Flow, Firenze, Italy, 22.-27.05.2016
Vergasung biomasse-basierter Brennstoffsuspensionen in einem atmosphärischen Flugstromvergaser.
Fleck, S.; Hotz, C.; Kolb, T.
2016. DGMK-Tagung „Konversion von Biomassen und Kohlen”, Rotenburg a.d.Fulda, 09.-11.05.2016, 103-104, DGMK, Hamburg
Detachment of droplets from cylinders in flow using an experimental analogue.
Hotz, C. J.; Mead-Hunter, R.; Becker, T.; King, A. J. C.; Wurster, S.; Kasper, G.; Mullins, B. J.
2015. Journal of Fluid Mechanics, 771, 327-340. doi:10.1017/jfm.2015.177
Influence of fuel specification on gasification performance of biomass based suspension fuels in an atmospheric enrained flow gasifier.
Fleck, S.; Santo, U.; Hotz, C.; Boening, D.; Djordjevic, N.; Kolb, T.
2015. International Conference on Thermochemical (TC) Biomass Conversion Science, tcbiomass 2015, Chicago, USA, 02.-05.11.2015
Gasification of biomass-based suspension fuels in an atmospheric entrained flow gasifier.
Fleck, S.; Hotz, C.; Stoesser, P.; Kolb, T.
2015. 27.Deutscher Flammentag, Clausthal-Zellerfeld, 16.-17.September 2015
Formation and decay of hydrocarbon intermediates in an entrained flow gasifier.
Fleck, S.; Hotz, C.; Kolb, T.; Geigle, K. P.; Kutne, P.
2015. 27.Deutscher Flammentag, Clausthal-Zellerfeld, 16.-17.September 2015
Gasification of biomass-based suspension fuels in an atmospheric entrained flow gasifier.
Fleck, S.; Hotz, C.; Stoesser, P.; Kolb, T.
2015. Verbrennung und Feuerung : 27.Deutscher Flammentag, Clausthal-Zellerfeld, 16.-17.September 2015, 207-217, VDI-Verlag, Düsseldorf
Formation and decay of hydrocarbon intermediates in an entrained flow gasifier.
Fleck, S.; Hotz, C.; Kolb, T.; Geigle, K. P.; Kutne, P.
2015. Verbrennung und Feuerung : 27.Deutscher Flammentag, Clausthal-Zellerfeld, 16.-17.September 2015, 697-703, VDI-Verlag, Düsseldorf
Investigation of Entrained Flow Gasification of liquid Fuels at ambient Pressure.
Hotz, C.; Fleck, S.; Djordjevic, N.; Kolb, T.
2015. Energy, Science and Technology 2015. The energy conference for scientists and researchers. Book of Abstracts, EST, Energy Science Technology, International Conference & Exhibition, 20-22 May 2015, Karlsruhe, Germany
Formation of by-products during gasification of biomass based suspension fuels in an entrained flow gasifier.
Fleck, S.; Geigle, K. P.; Hotz, C.; Djordjevic, N.; Kolb, T.
2015. Energy, Science and Technology 2015. The energy conference for scientists and researchers. Book of Abstracts, EST, Energy Science Technology, International Conference & Exhibition, 20-22 May 2015, Karlsruhe, Germany
Experimental investigation of entrained flow gasification of biomass suspensions at ambient pressure.
Hotz, C.; Fleck, S.; Santo, U.; Boening, D.; Stoesser, P.; Djordjevic, N.; Kolb, T.
2014. 4th International Symposium on Gasification and its Applications (iSGA 2014), Wien, A, September 2-4, 2014
Current and completed Study- and Diploma Theses:
type topic tutor person in charge
Investigation of the entrainment of turbulent two-phase free jets under ambient conditions

Dipl.-Ing. Christian Hotz

Benedikt Gauss
Measuring droplet size and velocity in reacting flows with phase-doppler anemometry

Dipl.-Ing. Christian Hotz
Dipl-Ing. Alexander Sänger

Philipp Menesklou
Reduction of NOx-emissions from a sewage sludge incinerator

Dipl.-Ing. Christian Hotz
Dr.-Ing. Carsten Liebig
Dr.-Ing. Peter Schmittel

Marcus Zimmer
Influence of the atomization of viscous fuel on the synthesis gas quality in an atmospheric entrained flow gasifier

Dipl.-Ing. Christian Hotz

Mike Günther