Activities at previous employment in industry (2006 - 2011; 6 years)
Images of design and CFD/FEA work presented in various academic forums (click on images to view)
Contributions at Previous Employment
A novel 2D CFD fan model
16 patents filed (15 as lead inventor), 25+ research publications, developed many new technologies, guided 9 summer interns.
Developed a new theoretical model for accurate prediction of the engine transient temperature.
Developed a simple, fast and accurate experimental setup for engine oil consumption measurement.
Developed a 2D CFD model to study engine heat transfer and its cooling system. The model includes engine block, fins, liner, head, cover, valves, gaskets and fan cooling system. Real time transient heat transfer phenomena can be investigated.
Developed an experimental set for measuring centrifugal cooling fan characteristics.
Developed a three-dimensional (3D) CFD model for centrifugal fan simulation for the above setup.
Developed a 2D CFD MRF model for centrifugal cooling fan, which takes less than 10 seconds to converge [10^(-7)]. Effect of inlet and outlet angles, blade diameter ratio, blade thickness etc can be studied in quick time.
Developed an experimental setup for measuring engine bore distortion under clamped condition.
Developed an FEA model for computing engine bore distortion and validated with the above experimental measurement.
Developed a CFD model for conjugate heat transfer simulation to study engine cooling with centrifugal fan.
Developed a method to map the harmonic response analysis results to Sysnoise for engine radiated noise calculations.
Developed a method to perform aero-acoustic simulation using Sysnoise.
Developed a CFD model for scooter CVT simulation.
Developed a FEA model and experimental setup for thermal analysis of brakes. Published in Elsevier journal.
Actively participated in fostering industry-academia relationship at TVSM
Member and SME for Instructional Design Methodology and curriculum for the following courses for diploma and bachelor degree programs:
Engineering thermodynamics and heat transfer
Vehicle thermal management and powertrain
Guided the following students at TVS, projects leading to filling 2 patents and 5 publications.
Engine transient temperature measurement and theoretical validation, V. Balaji, MIT, Automobile Engg. dept., Final year B.Tech project, 2011.
Transient finite element modeling to study impact of material change on engine thermal behavior, S. Ahmed, Final year B.Tech project, 2011.
Cooling system optimization in a 3-wheeler engine, Anirudh Reddy, Dual degree (MTech), IIT Madras, Mechanical Engg. dept., Intern, 2010.
A numerical code development for internal combustion engine piston secondary motion, Narayan Pai, NIE, Mechanical dept, Mysore, Intern, 2010.
Design, development and Finite Element Analysis of a engine cylinder bore distortion measurement facility, V. Balaji, MIT, Automobile Engg. dept., Summer research fellowship, 2010.
Fan design optimization: An experimental and CFD study, Rakesh Khilwani, Dural degree (MTech), IIT Madras, Mechanical dept., Summer research fellowship, 2008.
Design and analysis of cylinder head of an air‐cooled two‐stroke petrol engine, Senthil Nathan, AMIE project, Mechanical Engg., 2007.
Development of numerical model to predict temperature profile of the cylinder block in 4-stroke engine, Sachin Kumar Rai, SRF, Dual degree (MTech), IIT Madras, Mechanical dept., 2006.
Important Trainings/Seminars Attended
Workshop on how to generate patentable ideas, 3 days, TVS Motor Company, 2011
Advanced Java training for CFD macro coding in Star CCM+, 2 days, TVS Motor Company, 2011.
Fatigue and Fracture of Engineering Materials and Structures seminar: 2 days at MSRSAS, Bangalore, 2011.
Six sigma black belt certification course and training: 2 days at TVS Motor Company, 2010.
Virtual powertrain conference: 2 days at Koregaon park, Pune, 2010.
Automotive power train seminar: 3 days at MSRSAS, Bangalore, 2010.
DOE, Approximation, Optimization and Stochastic training using HyperStudy: 1 day at Altair office, Bangalore, 2010.
Morphing finite element models training using HyperMorph: 1 day at Altair office, Bangalore, 2009.
Piston hydrodynamic simulation training using Pisdyn: 2 days at TVS Motor Company, 2009.
CFD mesh generation training using HyperMesh: 1 day at Altair office, Bangalore, 2009.
Practical finite element seminar: 2 days at BHEL, Bangalore, 2009.
Aero-accoustic simulation training using Sysnoise: 2 days at LMS office, Bangalore, 2008.
Advanced CFD modeling training using Star CCM+: 2 days at CD-Adapco office, Bangalore, 2007.
Heat and mass transfer workshop: 2 days at IISc, Bangalore, 2007.
International workshop on treatment of thermal radiation in heat transfer problems: 2 days at IIT Guwahati, 2006.
Non-linear FEA modeling training using Ansys: 2 days at Ansys office, Bangalore, 2006.
At each state engine is analyzed and boundary conditions are generated for the next stage of simulation. Except combustion modeling I'm directly involved at all stages of modeling. I strongly believe in "Innovation by Simulation", which can significantly reduce time consuming physical tests.
1. Combustion Simulation (Heat fluxes over surfaces: BC generation using Star CD) | BCs from 1 2. CFD: Conjugate Heat Transfer Simulation (Engine temperature distribution using Star CCM+) | BCs from 2 3. Finite Element Analysis (Engine liner thermal deformation using Ansys) | BCs from 3 4. Hydrodynamic piston secondary motion Simulation (Impact forces on engine liner using Pisdyn) | BCs from 4 5. Harmomic Response Analysis (Structural amplitude of vibration using Ansys) | BCs from 5 6. Aero-Acoustic Simulation (Radiated noise due to piston slap using Sysnoise)
"Do the best you can in every task, no matter how unimportant it may seem at the time. No one learns more about a problem than the person at the bottom"-- Sandra Day
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