Details

Dr.-Ing. Alexander Laugwitz

Dr.-Ing. Alexander Laugwitz


Group technologies for solid fuels gasification

Zimmer 1-211

Telefon +49 (0) 3731 39 4558
Alexander [dot] Laugwitzatiec [dot] tu-freiberg [dot] de



Background
2004 - 2009TU Bergakademie Freiberg: Industrial Engineering and Management (Diploma)
2007State University of New York at Stony Brook: Practical Semester (Topic: “Fundamental investigation on biomass gasification”)
2009Diploma Thesis at IEC (Topic: “Technological, exergetic and economic analysis of recent developments in coal gasification”)
Since 2010Department of Energy Process Engineering and Chemical Engineering, Research Associate
Since 10/2012Head of group: Technologies for Solid Fuels Gasification
Lectures and research topics

Research topics

  • Flowsheet simulation of conventional gasifiers (ASPEN Plus ®)
  • Comparison of gasification concepts based on thermodynamic, exergetic and economic performance parameters
  • Third-generation-gasifier development based on CFD simulations and flowsheet simulations (ANSYS Fluent ®, ASPEN Plus ®)

Lectures

  • Fluid-Solids-Systems
  • Supervision of Theses (Bachelor, Master, Diploma)
Publications

Lee, R.P., Laugwitz, A., Keller, F., Wolfersdorf, Ch., Mehlhose, F., Meyer, B., 2017. Achieving a Closed Carbon & Circular Economy for the Waste Management Sector – Net Zero Emissions, Resource Efficiency and Conservation by Coupling the Energy, Chemical and Recycling Sectors. In: Thomé-Kozmiensky, K. J.; Thiel, S.; Thomé-Kozmiensky, E.; Winter, F.; Juchelková, D. (Eds.): Waste Management, Volume 7 – Waste-to-Energy. Nietwerder: TK Verlag Karl Thomé-Kozmiensky, 2017, pp. 343-354

Wolfersdorf, C., Keller, F., Laugwitz, A., Forman, C., Lee, R.P., Meyer, B. 2017. Towards CO2-emission-free coal technology. 8th International Conference on Clean Coal Technologies, Cagliari, Italien, 08.-12.05.2017.

Laugwitz, A., Rößger, P., Schurz, M., Richter, A., Meyer, B., 2017. Towards a validated CFD setup for a range of fluidized beds. Powder Technology 318 (2017), pp. 558–568.

Schimpke, R., Laugwitz, A., Schurz, M., Krzack, S., Meyer, B., 2015. Flow pattern evaluation of the internal circulation gasifying principle. In: Fuel 147, pp. 221-229, 2015.
doi: 10.1016/j.fuel.2014.12.039

Laugwitz, A., Schurz, M., Meyer, B., 2014. Modeling and experimental investigation of an internally circulating gasifier for high ash coals. Pittsburgh Coal Conference, Pittsburgh, USA, 2014.

Laugwitz, A., Meyer, B., 2014. New frontiers and challenges in gasification technologies, In: Nikrityuk, P.; Meyer, B., (Edt.): Gasification processes – modeling and simulation, Wiley-VCH, ISBN 978-3-527-33550-3, 2014.

Stelzner, B., Hunger, F., Laugwitz, A., Gräbner, M., Voss, S.; Uebel, K.; Schurz, M., Schimpke, R., Weise, S., Krzack, S., Trimis, D., Hasse, C., Meyer, B., 2013. Development of an inverse diffusion partial oxidation flame and model burner contributing to the development of 3rd generation coal gasifiers. In: Fuel Processing Technology 110, pp. 33-45, 2013. 
doi:10.1016/j.fuproc.2013.01.005

Gräbner, M., Meyer, B., Laugwitz, A., 2012. Verfahren und Einrichtung zur Festbettvergasung. German patent pending No. 10 2012 202 129.9, 2012.

Laugwitz, A., Gräbner, M., Meyer, B., 2013. Modeling based development of internally circulating gasifier for high ash coals. Pittsburgh Coal Conference, Beijing, China, 2013

Laugwitz, A., Gräbner, M., Meyer, B., 2011. Availability analysis of integrated gasification combined cycle (IGCC) power plants, In: Oakey, J.E. (Edt.): Power plant life management and performance improvement, Woodhead Publishing, p. 110-142, 2011. 
ISBN: 978-1-84569-726-6

Stelzner, B., Voss, S., Uebel, K., Laugwitz, A., Hunger, F., Meyer, B., Trimis, D., Hasse, C., 2011. Preliminary investigation of inverse diffusion flames in the partial oxidation regime. GRC: Laser diagnostics in Combustion 2011, Waterville,N.H.,USA , August 2011.

Stelzner, B.; Voss, S.; Uebel, K.; Laugwitz, A.; Hunger, F.; Meyer, B.; Trimis, D.; Hasse, C., 2011. Preliminary investigation of inverse diffusion flames in the partial oxidation regime. European Combustion Meeting 2011, June 2011, Cardiff, U.K.

Laugwitz, A., 2011. Thermo-Chemical and Exergetic Analysis of Recent Developments in Coal Gasification, DBFZ Workshop "Fließschemasimulation in der Energietechnik"; Leipzig, 23.06.2011

Stelzner, B., Voss, S., Uebel, K., Laugwitz, A., Meyer, B., Trimis, D., Hasse, C., 2011.Investigation of inverse diffusion flames in the partial oxidation regime for gasification processes, 82nd Annual Meeting of the International Association of Applied Mathematics and Mechanics - GAMM, 2011.

Stelzner, B., Voss, S., Uebel, K., Laugwitz, A., Meyer, B., Trimis, D., Hasse, C., 2011. Untersuchungen einer inversen Diffusionsmodellflamme zur Charakterisierung von Vergasungsprozessen, 25th German Flame Days, 2011.

Gräbner, M.; Laugwitz, A.; Meyer, B., 2010. Development and Modelling of 3rd Generation Gasification Concepts for Low Grade Coals, Paper # 06-1, International Conference on IGCC & XtL Technologies, 3.-5.5.2010, Dresden, Germany.