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TU Berlin

Inhalt des Dokuments

Moritz Sieber

Lupe

Forschungsinteressen

  • Identifizierung und Modellierung von kohärenten Strukturen in turbulenten Strömungen:

    • Analyse großer Datenmengen zur empirischen Beschreibung kohärenter Strukturen
    • Verfeinerung und Weiterentwicklung von Analysemethoden für eindeutigere Ergebnisse
    • Hybride deterministisch, stochastische Modelle zur Beschreibung der Dynamiken in turbulenten Strömungen

  • Experimentelle und Messtechnische Untersuchung komplexer Strömungsdynamiken:

    • Versuchsdesign zur klaren Realisierung von Phänomenen
    • Gezielter Einsatz und Kombination verschiedener Messtechniken
    • Messtechnische Reduktion zur ökonomischen Erfassung relevanter Messgrößen

 

Ausbildung und Berufserfahrung

Seit 2018: Wissenschaftlicher Mitarbeiter am Fachgebiet Dynamik instabiler Strömungen, TU Berlin

Seit 2012: Wissenschaftlicher Mitarbeiter am Fachgebiet Experimentelle Strömungsmechanik, TU Berlin.

2008 - 2012: Studentische Hilfskraft am Fachgebiet Experimentelle Strömungsmechanik, TU Berlin.

2004 - 2012: Dipl. Ing. Physikalische Ingenieurswissenschaften mit dem Schwerpunkt Strömungsmechanik und Numerik an der TU Berlin

 

Preise

11/2017 „2017 ASME Turbo Expo Committee Best Paper Award“, for the paper: Experimental Study Of Transient Mechanisms Of Bi-Stable Flame Shape Transitions In A Swirl Combustor.

11/2015 „2015 APS/DFD Gallery of Fluid Motion Award“, for the video: Lagrangian coherent structures in the flow field of a fluidic oscillator.

9/2011 „Price for the best contribution by a young person under 35 presented at the Fluid Dynamics Colloquium 2011“, for the paper: Model design and calibration for closed-loop control of swirling jet instabilities.

11/2010 „28th Annual Gallery of Fluid Motion Award“, for the poster: Global Modes in a Swirling Jet Undergoing Vortex Breakdown.

 

ResearchGate

Google Scholar

Publikationen

Müller, Jens S and Sieber, Moritz and Litvinov, Ivan and Shtork, Sergey and Alekseenko, Sergey and Oberleithner, Kilian (2021). Prediction of vortex precession in the draft tube of a model hydro turbine using mean field stability theory and stochastic modelling. IOP Conference Series: Earth and Environmental Science, 012003.


Sieber, Moritz and Paschereit, Christian Oliver and Oberleithner, Kilian (2021). Identification of a Stochastic Hopf Bifurcation from Stationary Measurement Data of a Turbulent Flow. Progress in Turbulence IX. Springer International Publishing and Imprint Springer, 153–158.


Schubert, Yannick and Sieber, Moritz and Oberleithner, Kilian and Martinuzzi, Robert J. (2021). Data-Driven Identification of Robust Low-Order Models for Dominant Dynamics in Turbulent Flows. Progress in Turbulence IX. Springer International Publishing and Imprint Springer, 159–165.


Sieber, Moritz (2021). Data-driven identification and modelling of coherent dynamics in turbulent flows. Technische Universität Berlin


Sieber, Moritz and Paschereit, Christian Oliver and Oberleithner, Kilian (2021). Impact of density stratification on the global mode in a swirling jet: Stochastic modelling and Lagrangian coherent structures. International Journal of Heat and Fluid Flow, 108820.


O'Neill, Christopher Mark and Schubert, Yannick and Sieber, Moritz and Martinuzzi, Robert and Morton, Chris (2021). Application of SPOD analysis to PIV data obtained in the wake of a circular cylinder undergoing vortex induced vibrations. 14th International Symposium on Particle Image Velocimetry


Sieber, Moritz and Paschereit, C Oliver and Oberleithner, Kilian (2021). Stochastic modelling of a noise-driven global instability in a turbulent swirling jet. Journal of Fluid Mechanics


Olbrich, Marc and Schmeyer, E and Bär, M and Sieber, Moritz and Oberleithner, Kilian and Schmelter, S (2020). Identification of coherent structures in horizontal slug flow. Flow Measurement and Instrumentation. Elsevier, 101814.


Lückoff, Finn and Sieber, Moritz and Paschereit, Christian Oliver and Oberleithner, Kilian (2020). Impact of the Precessing Vortex Core on NOx Emissions in Premixed Swirl-Stabilized Flames—An Experimental Study. Journal of Engineering for Gas Turbines and Power. ASME International.


Lückoff, Finn and Sieber, Moritz and Paschereit, Christian Oliver and Oberleithner, Kilian (2020). Impact of the Precessing Vortex Core on NOx Emissions in Premixed Swirl-Stabilized Flames: An Experimental Study. Volume 4A: Combustion, Fuels, and Emissions. American Society of Mechanical Engineers.


Vanierschot, Maarten and Müller, Jens S and Sieber, Moritz and Percin, Mustafa and van Oudheusden, Bas W. and Oberleithner, Kilian (2020). Single- and double-helix vortex breakdown as two dominant global modes in turbulent swirling jet flow. Journal of Fluid Mechanics. Cambridge University Press (CUP), A31.


Müller, Jens S and Sieber, Moritz and Litvinov, Ivan and Shtork, Sergey and Alekseenko, Sergey and Oberleithner, Kilian (2020). Prediction of vortex precession in the draft tube of a model hydro turbine using mean field stability theory and stochastic modelling. 30th Symposium on Hydraulic Machinery and Systems 2020


Lückoff, Finn and Sieber, Moritz and Paschereit, Christian Oliver and Oberleithner, Kilian (2019). Phase-Opposition Control of the Precessing Vortex Core in Turbulent Swirl Flames for Investigation of Mixing and Flame Stability. Journal of Engineering for Gas Turbines and Power


Lückoff, Finn and Sieber, Moritz and Paschereit, Christian Oliver and Oberleithner, Kilian (2019). Phase-Opposition Control of the Precessing Vortex Core in Turbulent Swirl Flames for Investigation of Mixing and Flame Stability. Volume 4A: Combustion, Fuels, and Emissions. American Society of Mechanical Engineers, GT2019–90924, V04AT04A060.


Olbrich, Marc and Schmeyer, E and Bär, M and Sieber, Moritz and Oberleithner, Kilian and Schmelter, S (2019). Identification of coherent structures in horizontal slug flow. Proceedings of the 18th International Flow Measurement Conference FLOMEKO


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Anschrift

Fachgebiet Dynamik instabiler Strömungen
Technische Universität Berlin
Sekretariat HF-1
Müller-Breslau-Straße 8
D-10623 Berlin
+49 30 314 23359