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)

Dr. Temistocle Grenga

E-Mail:  t.grenga(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 80-92933

Büro:  211.1 (2. Etage)


Arbeitsgebiete

Forschung: 

  • Turbulent compressible reacting flows
  • Multiphase flows
  • Direct Numerical Simulations (DNS)
  • Large Eddy Simulations (LES)
  • Numerical methods
  • Adaptive Mesh Refinement (AMR) methods
  • Wavelet
  • Model reduction
  • Analysis of chemical kinetic mechanisms
  • Verification and validation
  • Parallel programming
  • High Performance Computing (HPC)
  • Neural network 

Lehre: -


Publications

2018

  • J. F. MacArt, T. Grenga and M. E. Mueller. Evolution of flame-conditioned velocity statistics in turbulent premixed jet flames at low and high Karlovitz numbers. Proceedings of the Combustion Institute, 2018. Article in Press.
  • J. F. MacArt, T. Grenga and M. E. Mueller. Budgets of flame-conditioned second-order turbulence statistics in low and high Karlovitz number turbulent premixed jet flames. In , editors, 2018 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2018, volume 2018-March, 2018.
  • J. Debuhr, B. Zhang, M. Anderson, D. Neilsen, E. W. Hirschmann, T. Grenga and S. Paolucci. Relativistic Hydrodynamics with Wavelets. Astrophysical Journal, vol. 867 no. 2, 2018.
  • T. Grenga, J. F. MacArt and M. E. Mueller. Multi-modal counterflow flames under autoignitive conditions. In , editors, 2018 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2018, volume 2018-March, 2018.
  • T. Grenga, S. Paolucci and M. Valorani. Sensitivity analysis and mechanism simplification using the G-Scheme framework. Combustion and Flame, vol. 189, pages 275-287, 2018. Cited By :4.
  • T. Grenga, J. F. MacArt and M. E. Mueller. Dynamic mode decomposition of a direct numerical simulation of a turbulent premixed planar jet flame: convergence of the modes. Combustion Theory and Modelling, vol. 22 no. 4, pages 795-811, 2018.
  • A. C. Nunno, T. Grenga and M. E. Mueller. Comparative analysis of methods for heat losses in turbulent premixed flames using physically-derived reduced-order manifolds. Combustion Theory and Modelling, pages 1-25, 2018.
  • M. Valorani, P. P. Ciottoli, R. Malpica Galassi, S. Paolucci, T. Grenga and E. Martelli. Enhancements of the G-Scheme Framework. Flow, Turbulence and Combustion, pages 1-11, 2018.
  • J. F. MacArt, T. Grenga and M. E. Mueller. Effects of combustion heat release on velocity and scalar statistics in turbulent premixed jet flames at low and high Karlovitz numbers. Combustion and Flame, vol. 191, pages 468-485, 2018. Cited By :4.

2017

  • W. Sun, L. Wang, T. Grenga and Y. Ju. Comparative study of hybrid multi-timescale and g-scheme methods for MARCS with detailed chemical kinetics. In , editors, 10th U.S. National Combustion Meeting, volume 2017-April, 2017.
  • A. Cody Nunno, T. Grenga and M. E. Mueller. Comparative analysis of methods for heat losses in physically-derived reduced-order manifolds. In , editors, 10th U.S. National Combustion Meeting, volume 2017-April, 2017.
  • T. Grenga and M. E. Mueller. Multi-modal counterflow flame structure under autoignitive conditions. In , editors, 10th U.S. National Combustion Meeting, volume 2017-April, 2017.
  • W. Sun, T. Grenga and Y. Ju. Comparative study of hybrid multi-timescale and G-scheme methods for computational efficiency with detailed chemical kinetics. In , editors, AIAA SciTech Forum - 55th AIAA Aerospace Sciences Meeting, 2017.
  • J. F. MacArt, T. Grenga and M. E. Mueller. Karlovitz number effects on velocity and scalar statistics in turbulent premixed combustion. In , editors, 10th U.S. National Combustion Meeting, volume 2017-April, 2017.

2016

  • T. Grenga, S. Paolucci and M. Valorani. G-scheme-based simplification and analysis methodology for hydrocarbon ignition. In , editors, 2016 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2016, 2016.
  • A. C. Nunno, T. Grenga and M. E. Mueller. Large eddy simulation of radiation effects on pollutant emissions in diluted turbulent premixed flames. In , editors, 2016 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2016, 2016.
  • J. F. MacArt, T. Grenga and M. E. Mueller. Effects of small-scale heat release on turbulence scaling in premixed and nonpremixed flames. In , editors, 2016 Spring Technical Meeting of the Eastern States Section of the Combustion Institute, ESSCI 2016, 2016.

2015

  • M. Valorani, S. Paolucci, E. Martelli, T. Grenga and P. P. Ciottoli. Dynamical system analysis of ignition phenomena using the Tangential Stretching Rate concept. Combustion and Flame, vol. 162 no. 8, pages 2963-2990, 2015.

2014

  • S. Paolucci, Z. J. Zikoski and T. Grenga. WAMR: An adaptive wavelet method for the simulation of compressible reacting flow. Part II. The parallel algorithm. Journal of Computational Physics, vol. 272, pages 842-864, 2014.

Offene Stellen/Arbeiten

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