Unnikrishnan K S
PhD Mechanical Engineer (Thermal Sciences) with 6+ years of experience in CFD simulation, heat transfer, and thermal management
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About
PhD Mechanical Engineer (Thermal Sciences) with 6+ years of experience in CFD simulation, heat transfer, and thermal management across electronics cooling, solar PV systems, and Agri-Tech polyhouse environments. Skilled in Ansys Fluent, Ansys Icepak, and COMSOL Multiphysics with 6+ SCI-indexed publications on PCM-based passive cooling. Adept at translating numerical simulations into practical, energy-efficient engineering solutions.
Experience
Technical Specialist – Computational Analysis at Eeki (2025-05 – Present)
- Lead CFD-driven design and optimisation of controlled-environment agriculture systems, including hydroponic farming infrastructure, climate-controlled enclosures, and thermal management solutions.
- Develop and validate 3D numerical models for airflow, heat transfer, humidity transport, radiation exchange, and microclimate prediction using ANSYS Fluent and other CAE tools.
- Perform multiphysics simulations to evaluate temperature distribution, ventilation effectiveness, crop-zone environmental conditions, and energy performance of protected cultivation systems.
- Analyse coupled thermal-fluid phenomena involving HVAC systems, evaporative cooling, natural ventilation, solar radiation, and moisture transport to improve crop productivity and resource efficiency.
CFD Engineer – Center of Excellence for Electronic Cooling & CFD Simulation at SRM Institute of Science and Technology (2024-08 – 2025-05)
- Conducted CFD simulations for electronic cooling, thermal management, HVAC, ventilation, and fluid flow applications using ANSYS Icepak and related CAE tools.
- Developed and validated numerical models to analyse heat transfer, airflow distribution, pressure drop, and thermal performance of engineering systems.
- Performed design optimisation studies to improve cooling efficiency, thermal reliability, and overall system performance.
- Collaborated with academic and industrial partners on research, consultancy, and product development projects, delivering simulation-driven engineering solutions.
Research Scholar & Teaching Assistant at National Institute of Technology Calicut (2018-12 – 2024-07)
- Conducted numerical and experimental investigations on passive thermal management of photovoltaic (PV) modules; developed and validated CFD models using Comsol Multiphysics.
- Designed innovative passive cooling techniques (PCM, fins, NEPCM) that enhanced PV module efficiency and lifespan; findings published in 6+ SCI-indexed journals.
- Assisted in courses: Fluid Flow & Heat Transfer, Principles of Heat Transfer, Convection Heat Transfer, Fluid Mechanics & Heat Transfer Lab, Engineering Graphics.
- Mentored 5 M.Tech students and 4 B.Tech project groups in passive cooling of PV systems.
Education
Doctor of Philosophy (PhD) in Mechanical Engineering – National Institute of Technology Calicut (2018-12 – 2024-07)
M.Tech in Mechanical Engineering (Thermal Power Engineering) – APJ Abdul Kalam Technological University (2016-07 – 2018-06)
B.Tech in Mechanical Engineering – Mahatma Gandhi University (2011-09 – 2015-05)
