Varun Dongre
CFD Specialist | Thermal Analysis
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About
CFD Engineer with 4+ years delivering simulation-driven insights for chemical process and energy systems. Achieved 30,000x reactor simulation speedup for EU Horizon 2020 partners, including BASF, enabling industrial-scale decisions. Bringing deep rCFD and thermal modelling expertise to industrial CFD roles in process equipment and energy systems.
Experience
PROJECT ASSOCIATE - Indian Institute of Science (IISc) - Bangalore, India
(2025-07 - 2025-11)
- Developed a Python-based Thermal Resistance Network (TRN) model for a cross-flow heat exchanger in a supercritical CO2 (sCO2) Brayton cycle, enabling rapid thermal performance evaluation.
- Built and validated a CFD model in Ansys Fluent against TRN results to visualise flow patterns in cross-flow configuration, confirming model reliability for design analysis
RESEARCH ENGINEER - Johannes Kepler University & Hamburg University of Technology - Linz, Austria & Hamburg, Germany
(2021-09 - 2025-03)
- Developed upscaling methodologies for gas-solid fluidized bed reactors under the EU Horizon 2020 TUSAIL project, introducing rCFD methods to replace classical CFD simulations and achieve a 30,000x speedup.
- Validated rCFD against classical CFD via checkerboard visualization of gas-solid mixing and heat transfer, confirming equivalent accuracy at a fraction of computational cost.
- Integrated machine learning concepts to study the heat transfer behavior for a 30m tall reactor, reducing computational costs by 1000x.
- Conducted experimental analysis of binary solid particle mixing to extract raw mixing time data, providing validated input parameters for rCFD simulations.
- Finalizing research publication on rCFD upscaling methodologies for gas-solid fluidized bed reactors in collaboration with JKU and TU Hamburg.
MAINTENANCE ENGINEER - Lithium Technologies - Bangalore, India
(2017-08 - 2018-07)
- Extracted and analyzed BMS and TCU data to monitor battery and vehicle performance across the fleet.
- Performed routine diagnostics and maintenance checks, supporting battery health assessment and fault identification.
Education
Master of Science (M.S) - Automotive Engineering - Chalmers University of Technology (2018-09 - 2021-03)
Bachelor of Engineering (B.E) - Automobile Engineering - Malnad College of Engineering (2012-09 - 2016-07)
