Seeking positions in modeling, analysis, evaluation and design of renewable energy harvesting devices and sustainable technologies

• CAE skills - Matlab, Simulink, Stateflow, Dymola
• Good knowledge of Computational Fluid Dynamics and Thermal Sciences
• Interest in modeling, analysis, hands-on lab work, Design of Experiments and prototyping
• Fast learner with track record of innovation leveraging teamwork, creativity and knowledge
• Over 5 years experience in software development and mechanical engineering

• Heat Transfer
• Fluid Mechanics
• Finite Element Analysis (FEA)
• Analytical Product Design
• Thermodynamics
• MEMS Design

• Benchmarked capabilities of FLUENT using GAMBIT for grid generation by performing several 2-D and 3-D simulations in various flow regimes including laminar and turbulent flow, performing steady and transient analysis to predict flow separation, heat transfer, vortex shedding, drag and acoustics and comparing against published experimental results
• Designed, modeled and proposed fabrication process for novel Micro electro-mechanical heat engine to convert waste heat or solar energy to electricity using ABACUS and HYPERMESH for FEA
• Conceived, designed and fabricated a low cost, hand operated pump at the Center for Appropriate Rural Technologies, Mysore, India in the undergraduate senior design project
• Designed and optimized wind powered water pumping system for developing countries and business plan in product design course

Applications : Fluent, Gambit, MATLAB, Simulink, Stateflow, JMP, Modelica, Dymola COSMOS FloWorks, MS Word, MS Excel, MS Outlook, MS Powerpoint, MS Project, Mathematica, Maple, Hyperworks 8.0, ABACUS, ANSYS, Visio, Oracle Forms, CAN, dSPACE
Languages : PL/SQL, UNIX shell scripts, C, VB6, BASIC, HTML, ASP, JavaScript
Database : Oracle, MS SQL Server, MS Access

Provide onsite consultation on thermal-mechanical modeling, model based design, plant modeling, systems simulation and simulation speed enhancement projects at US auto majors

Project Description: Model development and simulation software speed enhancement for Matlab and Simulink based vehicle fuel economy and performance simulation: This comprehensive suite of Simulink models developed over a decade representing every typical vehicle subsystem features sophisticated use of Matlab and Simulink to build a complex configurable system using bus connected modular subsystems built from libraries of interchangeable models

• Created power steering system models
• Identified and implemented changes to enhance simulation speed by over 66% shaving several hours off simulation time through study and modification of code utilizing tools like Matlab Profiler and Simulink Profiler to identify and solve performance issues, and by making optimal selection of Normal and Accelerated modes of simulation
• Performed automation of release validation scripts
• Developing new models for dual-clutch transmissions and front pump controller

Project Description: Model based design of prognostic system that estimates brake wear using vehicle dynamics data from on-board sensors and predicts and notifies driver of remaining life of brake pads

• Developed thermal model of brakes for dynamic simulation of brake temperature choosing between distributed capacitance and lumped capacitance models of transient conduction for suitable balance between simulation time and accuracy
• Designed experiments to validate model
• Assisted technicians in equipping vehicle with thermocouples, wear sensors and diagnostics hardware
• Developed empirical model of wear based on braking force and temperature using experimental results
• Obtained values of Simulink model parameters such as cooling coefficients of brake using Matlab's Optimization toolbox
• Performed data processing of large data sets using Statistics toolbox and filters from the Signal Processing toolbox
• Used DSpace Calibration system for in-vehicle monitoring of sensor data during road testing on proving grounds
• Conducted vehicle tests on Dynamometer using robotic driver

Project Description: Investigated the influence of the geometry of the sub-components surrounding a cooling fan to identify and model the significant factors influencing aero-acoustic noise generated in the thermal assembly that cools the processor in desktop personal computers. An empirical model was developed to enable finding the optimal component geometry to minimize aero-acoustic noise from the heat sink

• Planned and conducted thermal and acoustic experiments in conformance with relevant ISO standards
• Gathered data on intensity and spectral distribution of air flow induced noise from the system, progressively disassembling it to identify the subcomponents whose presence had significant effect on the noise
• Innovatively designed and fabricated the test fixtures required to support the disassembled components in an airstream without significantly influencing their aero-acoustic behavior in a semi-anechoic acoustic test chamber
• Identified likely factors in the component geometry influencing aero-acoustic behavior
• Used Design of Experiments to minimize the number of prototypes and tests required to effectively and efficiently test factor effects
• Created prototypes using 3-D printing
• Performed statistical data analysis to develop an empirical model of the sensitivity of the noise to the factors
• Surveyed available approaches to computationally simulate aero-acoustic noise and proposed that Large Eddy Simulation (LES) model for 3-D turbulent flow simulation of fan airflow over component followed by aero-acoustic simulation using Ffowcs Williams-Hawkings (FW-H) acoustic analogy available in FLUENT CFD software presented the optimal simulation fidelity to visualize, intuitively comprehend and predict the influence of component geometry on aero-acoustic noise with available computational resources and skills
  

• Design and Analysis of multi-factor experiments (DOE) using Response Surface Methodology
• Use of FLUENT for Computational Fluid Dynamics and Aero-Acoustic simulation
• Use of Gambit for mesh generation from Pro-E models
• Developing Macros using Visual Basic to gather necessary data from large number of MS Excel files generated by acoustic testing software
• Acoustic testing in semi-anechoic chamber using Brüel & Kjær test equipment
• Using shop work skills such as thread cutting, grinding, soldering
• Use of Oscilloscopes, PWM generators, thermocouples and associated data acquisition and lab hardware
• Assembly and disassembly of Desktop computers, electrical test equipment
• Test planning, execution, analysis, documentation and presentation

Maintenance, customization and migration of legacy Management Information system to Oracle Apps e Business suite for IKON office solutions

• Module Leader - Designed, reviewed and delivered software leading a four member team
• Configuration management, defect prevention and quality control - assessed at CMMi level 5
• Customer support solving technical issues - project won Customer Delight Award

• Karate (Black belt), cooking, reading, yoga, meditation, cycling, and public speaking
• Qualified for Amateur Wireless operator’s License (HAM radio)
• Explore, conceive, evaluate, design and promote renewable energy powered products and processes for poverty alleviation, solar thermal energy, organic Rankine cycle, distributed generation, ocean energy, heat exchangers, waste heat recovery

• Outreach for Engineers scholarship awarded by American Society of Mechanical Engineers in International Conference on Ocean, Offshore and Marine Engineering OMAE May 2009
• Technical Achievement award from Ford Motor Company’s Dept of Vehicle Energy Management Engineering Jan 2009
• Master of Ceremony for Infosys Awards for Excellence viewed by over 20,000 Infosys employees in 9 cities via video conferencing Jan 2005
• First Prize in Debate on Union Budget at Infosys, Mysore July 2004
• Mr. Racofest intercollegiate personality contest Dec 1997 and Dec 1999
• Academic Excellence award – Stood 2nd in School in National Examination (CBSE) 1994-95