Dr.-Ing. Ralf Blumenthal



Abgeschlossene Forschungsprojekte

Advanced Instability Analysis


Publikationen

  • Albayrak, A.; Blumenthal, R.S.; Ulhaq, A.; Polifke, W.: An analytical model for the impulse response of laminar premixed flames to equivalence ratio perturbations. Proceedings of the Combustion Institute 36 (3), 2017, 3725-3732 mehr…
  • Blumenthal, R. S.; Tangirala, A. K.; Sujith, R.I.; Polifke, W.: A systems perspective on non-normality in low-order thermoacoustic models: full norms, semi-norms and transient growth. International Journal of Spray and Combustion Dynamics 9 (1), 2017, 19–43 mehr…
  • Subramanian, P.; Blumenthal, R. S.; Sujith, R.; Polifke, W.: Distributed Time Lag Response Functions for the Modeling of Combustion Dynamics. Combustion Theory and Modelling 19 (2), 2015, 223-237 mehr…
  • Albayrak, A.; Ulhaq, A.; Blumenthal, R. S.; Polifke, W.: Analytical derivation of laminar premixed flame impulse response to equivalence ratio perturbations. 21st International Congress on Sound and Vibration (ICSV21), 2014 mehr…
  • Blumenthal, R. S.; Tangirala, A. K.; Sujith, R. I.; Polifke, W.: A Contribution to the Discussion on Thermoacoustic Energy from a Systemic Perspective. n3l Workshop on Non-Normal and Nonlinear Effects in Aero- and Thermoacoustics, 2013 mehr…
  • Schmid, M.; Blumenthal, R.; Schulze, M.; Polifke, W.; Sattelmayer, T.: Quantitative Stability Analysis Using Real Frequency Response Data. Journal of Engineering for Gas Turbines and Power 135 (12), 2013 mehr…
  • Blumenthal, R. S.; Subramanian, P.; Sujith, R. I.; Polifke, W.: A Time Domain Perspective on the Response of Premixed Flames to Flow Perturbations. Euromech Colloquium 546 - Combustion Dynamics and Combustion Noise, 2013 mehr…
  • Blumenthal, R.; Subramanian, P.; Sujith, R. I.; Polifke, W.: Novel perspective on the dynamics of premixed flames. Combustion and Flame 160 (7), 2013, 1215-1224 mehr…
  • Blumenthal, R. S.; Subramanian, P.; Sujith, R.; Polifke, W.: New Perspectives on Laminar Premixed Flame Dynamics derived from Time Domain Response Functions. ERCOFTAC Technologietag, ERCOFTAC, 2012 mehr…