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)

OH layer in a turbulent wall bounded flame (K. Niemietz)

Raymond Langer

E-Mail:  r.langer(at)itv.rwth-aachen.de

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

Telefon: +49 (0)241 80-94643
Telefax: +49 (0)241 80-92923

Büro:  223 (2. Etage)


Arbeitsgebiete

Forschung:

  • Soot Modeling

Lehre:

  • Thermodynamik I

Publikationen

  • R. Langer, Q. Mao and H. Pitsch. A detailed kinetic model for aromatics formation from small hydrocarbon and gasoline surrogate fuel combustion. 6th International Workshop on Flame Chemistry, August 15 - 19, online, 2022.
  • R. Langer, Q. Mao and H. Pitsch. A detailed kinetic model for aromatics formation from small hydrocarbon and gasoline surrogate fuel combustion. Combustion and Flame, 2022. [DOI]
  • G. Scialabba, R. Langer, A. Attili, L. Berger and H. Pitsch. The relevance of soot diffusion in counterflow laminar flame configurations. In Proceedings of the 10th European Combustion Meeting, April 14-15, Naples (Italy) / Online, 2021.
  • M. Hellmuth, R. Langer, B. Chen, M. Plümke and H. Pitsch. Impact factors on ion current for premixed laminar CH4-fuel blends. In Proceedings of the 10th European Combustion Meeting, April 14-15, Naples (Italy) / Online, 2021.
  • Q. Mao, L. Cai, R. Langer and H. Pitsch. The role of resonance-stabilized radical chain reactions in polycyclic aromatic hydrocarbon growth: Theoretical calculation and kinetic modeling. Proceedings of the Combustion Institute, vol. 38, pages 1459-1466, 2021.
  • R. Langer, J. Lotz, L. Cai, F. vom Lehn, K. Leppkes, U. Naumann and H. Pitsch. Adjoint sensitivity analysis of kinetic, thermochemical, and transport data of nitrogen and ammonia chemistry. Proceedings of the Combustion Institute, vol. 38, pages 777-785, 2021. [DOI]
  • L. Cai, S. Jacobs, R. Langer, F. vom Lehn, K.A. Heufer and H. Pitsch. Auto-ignition of oxymethylene ethers (OMEn, n = 2–4) as promising synthetic e-fuels from renewable electricity: shock tube experiments and automatic mechanism generation. Fuel, vol. 264, page 116711, 2020. [DOI]
  • L. Cai, F. vom Lehn, R. Langer and H. Pitsch. Highly-automated model development for promising e-fuels from renewable electricity. In Fuels, Processes, and Combustion Physics in the Energy Transformation - 715. WE-Heraeus-Seminar, 08-12 March, Bad Honnef, Germany, 2020.
  • T. Falkenstein, A. Rezchikova, R. Langer, M. Bode, S. Kang and H. Pitsch. The role of differential diffusion during early flame kernel development under engine conditions - part I: Analysis of the heat-release-rate response. Combustion and Flame, vol. 221, pages 502-515, 11 2020. [DOI]
  • L. Cai, S. Jacob, F. vom Lehn, R. Langer, K.A. Heufer and H. Pitsch. Automatic mechanism generation for auto-ignition of the promising e-fuels oxymethylene ethers (OMEn, n = 2-4). In Proceedings of the 1st International Conference on Smart Energy Carriers, January 21-23, Naples, Italy, 2019.
  • A. Wick, R. Langer, A. Attili, M. Frenklach and H. Pitsch. Statistical Modeling of Aerosol Dynamics in a Turbulent Flame. In Seventeenth International Conference on Numerical Combustion, May 6-8, Aachen, Germany, 2019.
  • R. Langer, A. Cuoci, L. Cai, U. Burke, C. Olm, H. Curran, T. Turányi, S. Klippenstein and H. Pitsch. Comparing the results and performance of chemical kinetic modeling software. In 4th International Workshop on Flame Chemistry, July 28th-29th, Dublin, Ireland, 2018.
  • R. Langer, A. Cuoci, L. Cai, U. Burke, C. Olm, H. Curran, T. Turányi and H. Pitsch. A Comparison of Numerical Frameworks for Modelling Homogeneous Reactors and Laminar Flames. In Joint Meeting of the German and Italian Sections of the Combustion Institute, May 23 - 26, Sorrento, Italy, 2018.
  • L. Cai, R. Langer and H. Pitsch. Automatic chemical mechanism generation using optimized rate rules. Case study: Ether oxidation. In Sixteenth International Conference on Numerical Combustion, April 3rd - 5th, Orlando, USA, 2017.
  • R. Langer, A. Wick, M.E. Mueller and H. Pitsch. Multivariate Modeling of Soot Particles with the Hybrid Method of Moments. In 22nd European Aerosol Conference, September 4th - 9th, Tours, France, 2016.

Offene Stellen/Arbeiten

Projektarbeit: Hocheffiziente Verbrennungssimulationen mit adaptiver Modellierung

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