Avijit Saha, M. Sc.

E-Mail: a.saha@itv.rwth-aachen.de Adresse: Telefon: +49 (0)241 80-94633 Büro: 222 (2. Etage) |
Arbeitsgebiete
Forschung:
Modeling of multiphaae flows with direct numerical simulations (DNS) and large eddy simulations (LES), development and analysis of reduced order model for droplets and sprays, modelling of bubble dynamics in superheated liquid, modeling of combustion instabilities, and model applications to automotive engines and spacecraft engiens.
Lehre:
- Lecturer - Multiphase Flows (September 2023 - March 2024)
- Regenerative Brennstoffe/Energy from Biofuels (September 2018 - March 2022)
2025
- F. Fröde, A. Saha, P. Augustin, M. A. Reddemann, R. Kneer, H. Axt, C. Hinke, C. Häfner and H. Pitsch. Numerical Investigation on the impact of nozzle geometry on flash atomization of liquid ammonia. In 33rd European Meeting on Liquid Atomization and Spray Systems (ILASS), , August 31 - September 4, 2025, Lund, Sweden, 2025.
2024
- A. Saha, A.Y. Deshmukh, T. Grenga and H. Pitsch. Physics-based reduced-order modeling of flash-boiling sprays in the context of internal combustion engines. International Journal of Multiphase Flow, vol. 171, page 104673, 2024. [DOI]
- A. Saha, A. Y. Deshmukh, T. Grenga and H. Pitsch. A reduced-order cross-sectionally averaged spray model for flash-boiling spray. In 1st European Fluid Dynamics Conference (EFDC1), September 16 - 20, 2024, Aachen, Germany, 2024.
2023
- P. W. Augustin, M. A. Reddemann, A. Saha, H. Pitsch and R. Kneer. Experimental investigation of flash boiling phenomena of high volatility e-fuels in a droplet chain. In 31st European Conference on Liquid Atomization and Spray Systems (ILASS), September 4 - 7, 2023, Napoli, Italy, 2023.
- A. Saha, A. Y. Deshmukh, T. Grenga and H. Pitsch. Dimensional analysis of vapor bubble growth considering bubble-bubble interactions in flash boiling microdroplets of highly volatile liquid electrofuels. Internation Journal of Multiphase Flows, page 104479, 2023. [DOI]
- A. Saha, A. Y. Deshmukh, S. Majumder, R. Dhar, J. Palmer, P. Augustin, R. Reddemann, T. Grenga, R. Kneer and H. Pitsch. A Reduced-order Model for Multiphase Simulation of Transient Inert Multicomponent Sprays in the Context of Compression-Ignition Engines.. In IACM-22nd Computational Fluids Conference, Cannes, France, April 24 - 28 2023.
- A. Saha, A. Y. Deshmukh, T. Grenga and H. Pitsch. Lagrangian Modeling of Vapor Bubble Growth in Flash Boiling Single Droplet Considering Bubble-bubble Interactions.. In 11th International Conference on Multiphase Flow, Kobe, Japan, April 2 - 7 2023.
2022
- A. Saha, T. Grenga, A. Y. Deshmukh, M. Bode, J. Hinrichs and H. Pitsch. Numerical Modeling of Single Droplet Flash Boiling Behavior of E-Fuels Considering Internal and External Vaporization. Fuel, vol. 308, page 121934, January 2022. [DOI]
2021
- A. Saha, A. Y. Deshmukh, T. Grenga, M. Bode, M. Grunewald, Y. Kaya, V. Kirsch, M. A. Reddemann, R. Kneer and H. Pitsch. Numerical Modeling of the Flash Boiling Characteristics of E-Fuels at Low Ambient Pressure. In International Conference on Liquid Atomization and Spray Systems (ICLASS), August 30 - September 2 2021.
- L. Schumacher, A. Saha, M. Grunewald, M. A. Reddemann, H. Pitsch and R. Kneer. Optical and numerical investigation of flash boiling microdroplets. In 9th International Conference of the Cluster of Excellence ``The Fuel Science Center'' 9th International Conference of the Cluster of Excellence ``The Fuel Science Center'', 2021. [DOI]
- A. Saha, A. Y. Deshmukh, T. Grenga, M. Grunewald, Y. Kaya, V. Kirsch, M. A. Reddemann, R. Kneer and H. Pitsch. Single Droplet Flash Boiling Characteristics of E-Fuels at Low Pressures: A Numerical Study. In 9th International Conference of the Cluster of Excellence ``The Fuel Science Center'' 9th International Conference of the Cluster of Excellence ``The Fuel Science Center'', 2021.
2018
- M. Kumar, A. Saha, P. Deva, S. Karmakar and V. M. Reddy. Combustion Characteristics of Potential Aviation Fuels and Jet A-1 in a Swirl-Stabilized Combustor. In Proceedings of 2nd National Aerospace Propulsion Conference, Indian Institute of Technology Kharagpur, Kharagpur, India, December 2018.
- A. Kumar, R. Sah, A. Saha and S. Karmakar. Investigation of Highly Swirl-Stabilized Spray Combustion using Low-Cost Computational Techniques. In Proceedings of 2nd National Aerospace Propulsion Conference, Indian Institute of Technology Kharagpur, Kharagpur, India, December 2018.
2017
- B Singaravelu, S. Mariappan and A. Saha. Theoretical Formulation for the Investigation of Acoustic and Entropy-Driven Instabilities in Gas Turbine Engines. Springer, Singapore, February 2017. [DOI]
2016
- B. Singaravelu, S. Mariappan and A. Saha. Role of Entropy Waves in the Stability of Unsteady Motions in Combustors. In Proceedings of Asian Congress on Gas Turbines, Indian Institute of Technology Bombay, Mumbai, India, September 2016.
Offene Stellen/Arbeiten
Masterarbeit / HiWi:
- Numerical Modeling of Multicomponent Single Droplet Flash Boiling Behavior at Low Ambient Pressure
- A Reduced-Order Model for Multiphase Simulation of Inert Multicomponent Sprays in the Context of Compression Ignition Engines
- Scaling Analysis of Inert Sprays in the Context of Compression Ignition Engines
- Development of a Non-Equilibrium-Based Multifluid Framework for Simulating Flash-Boiling Spray
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