Passive scalar interface in a spatially evolving mixing layer (A. Attili and D. Denker)

Quartz nozzle sampling (D. Felsmann)

Dissipation element analysis of a planar diffusion flame (D. Denker)

Turbulent/non-turbulent interface in a temporally evolving jet (D. Denker)

Dissipation elements crossing a flame front (D. Denker and B. Hentschel)

Particle laden flow (E. Varea)

Turbulent flame surface in non-premixed methane jet flame (D. Denker)

DNS of primary break up (M. Bode)

Diffusion flame in a slot Bunsen burner (S. Kruse)

Various quantities in spatially evolving jet diffusion flame (D. Denker)

Lukas Berger, M.Sc.

E-Mail:  l.berger(at)itv.rwth-aachen.de

Adresse:
              Institut für Technische Verbrennung
              RWTH Aachen University
              Templergraben 64
              52056 Aachen

Telefon: +49 (0)241 80-93544
Telefax: +49 (0)241 80-92923

Büro:  219 (2. Etage)


Arbeitsgebiete

Forschung:

  • Analyse von Emissionsbildung in DNS vorgemischter, turbulenter Flammen

    • Modellierung von Stickoxidbildung in turbulenten Flammen
    • Modellierung von Ruß-Turbulenz-Interaktionen 

  • DNS von Wasserstoffverbrennung & Modellentwicklung für LES
  • Sphärische vorgemischte laminare Flammen unter Gravitationseinfluss
  • Methodenentwicklung zur Analyse von DNS

Lehre:

  • Technische Verbrennung I

 

 


Publikationen

  • A. Attili, K. Kleinheinz, D. Denker, L. Berger, F. Bisetti and H. Pitsch. Mixing and entrainment of burned products in high Karlovitz number premixed jet flames. In Proceedings of the European Combustion Meeting, April 15th-17th, Lisbon, Portugal, 2019.
  • R. Lamioni, P.E. Lapenna, L. Berger, K. Kleinheinz, A. Attili, H. Pitsch and F. Creta. Pressure induced hydrodynamic instability in methane-air premixed flames. In Seventeenth International Conference on Numerical Combustion, May 6th-8th, Aachen, Germany, 2019.
  • M.E. Mueller, B.A. Perry, A.C. Nunno, J.F. MacArt and L. Berger. Integrating Data-Based Tools into Physics-Based Model Development for Turbulent Combustion. In Seventeenth International Conference on Numerical Combustion, May 6th-8th, Aachen, Germany, 2019.
  • R. Lamioni, L. Berger, K. Kleinheinz, A. Attili, P.E. Lapenna, H. Pitsch and F. Creta. Pressure Induced Hydrodynamic Instability in Premixed Methane Air Flames. In Proceedings of the 11th Mediterranean Combustion Symposium, June 16th-20th, Tenerife, Spain, 2019.
  • L. Berger, R. Hesse, K. Kleinheinz, A. Attili, J. Beeckmann and H. Pitsch. A DNS study of the impact of gravity on spherically expanding premixed flames. In Proceedings of the European Combustion Meeting, April 15th-17th, Lisbon, Portugal, 2019.
  • L. Berger, K. Kleinheinz, A. Attili and H. Pitsch. Interaction of thermodiffusive and Darrieus-Landau instabilities in lean premixed hydrogen flames. In Seventeenth International Conference on Numerical Combustion, May 6th-8th, Aachen, Germany, 2019.
  • K. Kleinheinz, P. Maß, L. Berger, M. Bode, T. Grenga, A. Attili and H. Pitsch. Data-driven Model Development for CO emissions in Stationary Gas Turbines. In Proceedings of the European Combustion Meeting, April 15th-17th, Lisbon, Portugal, 2019.
  • K. Kleinheinz, L. Berger, M. Bode, A. Attili and H. Pitsch. LES model for CO emissions in stationary gas turbines at part load conditions. In Seventeenth International Conference on Numerical Combustion, May 6th-8th, Aachen, Germany, 2019.
  • Lukas Berger, Konstantin Kleinheinz, Antonio Attili and Heinz Pitsch. Characteristic patterns of thermodiffusively unstable premixed lean hydrogen flames. Proceedings of the Combustion Institute, vol. 37 no. 2, pages 1879-1886, 2019. [DOI]
  • L. Berger, K. Kleinheinz, A. Attili, F. Bisetti, H. Pitsch and M. E. Mueller. Numerically accurate computational techniques for optimal estimator analyses of multi-parameter models. Combustion Theory and Modelling, vol. 22 no. 3, pages 480-504, 2018. [DOI]
  • L. Berger, K. Kleinheinz, A. Attili and H. Pitsch. Non-Linear Evolution of Thermodiffusively Unstable Lean Premixed Hydrogen Flames. In Joint Meeting of the German and Italian Sections of the Combustion Institute, May 23 - 26, Sorrento, Italy, 2018.
  • A. Wick, K. Kleinheinz, L. Berger and H. Pitsch. Modeling of emissions in gasturbines. In FVV 2018 Autumn Conference, September 27 - 28, Würzburg, Germany, 2018.
  • K. Kleinheinz, L. Berger, A. Attili and H. Pitsch. CO emissions in staged gas turbine combustor - a DNS study. In 37th International Symposium on Combustion, July/August 2018, Dublin, Ireland, 2018.
  • K. Kleinheinz, L. Berger, A. Attili and H. Pitsch. Direct Numerical Simulation of a lean, premixed, staged combustor with a focus on CO emission. In Joint Meeting of the German and Italian Sections of the Combustion Institute, May 23 - 26, Sorrento, Italy, 2018.
  • L. Berger, K. Kleinheinz, A. Attili, M. E. Mueller and H. Pitsch. Adequate Techniques for the Practical Computation of Optimal Estimators. In 16th SIAM International Conference on Numerical Combustion, April 3rd-5th, Orlando, Florida, USA, 2017.
  • L. Berger, A. Wick, A. Attili, M. E. Mueller and H. Pitsch. Analysis of Soot-Turbulence Interactions for Sub-Filter Modeling in LES. In Proceedings of the European Combustion Meeting, April 18th-21st, Dubrovnik, Croatia, 2017.
  • K. Kleinheinz, L. Berger, A. Attili, H. Wang, E.R. Hawkes and H Pitsch. A Priori and a Posteriori Study of a High Karlovitz Number Premixed Turbulent Jet Configuration. In 16th SIAM International Conference on Numerical Combustion, April 3rd-5th, Orlando, Florida, USA, 2017.
  • A. Wick, K. Kleinheinz, L. Berger and H. Pitsch. Modeling of emissions in gasturbines. In FVV Autumn Conference 2016, September 29th - 30th, Magdeburg, Germany, 2016.
  • Stephan Kruse, Bruno Kerschgens, Lukas Berger, Emilien Varea and Heinz Pitsch. Experimental and numerical study of MILD combustion for gas turbine applications. Applied Energy, vol. 148, pages 456 - 465, 2015.

Offene Stellen/Arbeiten

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