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)

Kai Niemietz, M.Sc.

E-Mail: k.niemietz(at)itv.rwth-aachen.de

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

Telefon: +49 (0)241 80-94619
Telefax: +49 (0)241 80-92923

Büro:  217 (2. Etage)


Arbeitsgebiete

Forschung:

  • Simulation, Analyse und Modellierung turbulenter Verbrennung
  • Flame-Wall Interaction

Lehre:

  • Chemische Energieumwandlung II
  • Technische Verbrennung II

Publikationen

  • K. Niemietz and H. Pitsch. Development of CO Models for LES of Premixed Turbulent Jet Flames with Flame-Wall Interaction. 3rd International Workshop on Near-Wall Reactive Flows, 2022.
  • K. Niemietz, A. Attili and H. Pitsch. A-priori Analysis of CO Modeling Approaches for Premixed Turbulent Jet Flames with Flame-Wall Interaction. 18th International Conference on Numerical Combustion, 8-11 May 2022, San Diego, USA, 2022.
  • K. Niemietz, L. Berger, M. Huth, A. Attili and H. Pitsch. Direct numerical simulation of flame-wall interaction at gas turbine relevant conditions. Proceedings of The Combustion Institute, 2022. [DOI]
  • K. Niemietz, D. Denker, K. Kleinheinz, A. Attili and H. Pitsch. The Influence of Flame-Wall Interaction on CO Emissions in Gas Turbine Combustors: A DNS Study. In Proceedings of the 10th European Combustion Meeting, April 14-15, Naples (Italy) / Online, 2021.
  • D. Denker, A. Attili, M. Gauding, K. Niemietz, M. Bode and H. Pitsch. A new modeling approach for mixture fraction statistics based on dissipation elements. Proceedings of the Combustion Institute, vol. 38, pages 2681-2689, 2021. [DOI]
  • D. Denker, K. Niemietz, A. Attili, M. Korkmaz and H. Pitsch. Prediction of non-premixed combustion regimes in a DI diesel engine in various operation points. In Proceedings of the 9th European Combustion Meeting, April 14-17, Lisbon, Portugal, 2019.
  • Metin Korkmaz, René Zweigel, Kai Niemietz, Bernhard Kurt Jochim, Dirk Abel and Heinz Pitsch. Assessment of Different Included Spray Cone Angles and Injection Strategies for PCCI Diesel Engine Combustion. In WCX 17: SAE World Congress Experience, April 4th-6th, Detroit, Michigan, USA, volume 2017/01/0001-2017/01/1709 of SAE Technical Paper Series. SAE International, 2017.
  • Y. Frekers, K. Niemietz and R. Kneer. Analyse von Wärmetransportvorgängen an Maschinenkontakten unter Berücksichtigung fluider Zwischenmedien. In Thermo-energetische Gestaltung von Werkzeugmaschinen : Modellierung und Simulation : Tagungsband - 5. Kolloquium zum SFB/TR 96, TU Chemnitz, 22. - 23.03, pages 107-122, Dresden, 2017.

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