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: 

• Regenerative Brennstoffe/Energy from Biofuels (September 2018 - March 2022)

• 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 International Conference Center, Kobe, Japan, 2nd April - 7th April 2023.
• A. Saha, A. Y. Deshmukh, S. Majumder, R. Dhar, J. Palmer, P. Augustin, M. A. 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 (CFC), 25th April - 28th April 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 (Under review), 2023.
• 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]
• 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), 30th August - 2nd September 2021.
• 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.
• 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]
• 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.
• 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]
• 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.