• Responsible for CFD and heat transfer for existing and next generation rocket engine propulsion system• Predict cavitation based on CFD analysis and work with design engine to improve design to avoid cavitation • Collaborate with test and design engineer in the development of next generation engines for launch vehicles and spacecraft – Fuel and Oxidizer pressurization system, Anti vortex device, manifolds, injectors, diffusers, flow straighteners, pump, nozzle, heat exchangers, thrust chamber cooling design, and cavity purge analysis. Used STAR-CCM+,ANSYS, and GFSSP

• Responsible for thermal analysis to support all phases of programs• Developed thermal analysis model using ANSYS, STAR-CCM+, MSC Patran at component levels, multichip module, circuit card assembly, subsystem, system level, resulting in low thermal risk hardware• Developed test plans and procedures resulting in successful test execution• Identify and test advanced TIM (thermal interface material)• Performed thermal analysis model correlations to update predictions based on measured test data, resulting in better understanding and increased accuracy• Thermal optimization using Design of Experiments (DOE) and statistical analysis• Collaborate with the customer and engineering leadership to define testing required to validate thermal analyses and to verify that hardware is compliant with requirements

• Optimizing advanced IC design scheme to ensure good thermal performance• Used innovative aerogel-based insulations composites to reduce hot spot and meet touch requirements• Thermal analysis of test method for fire test of building construction and materials• Hand calculations and computational analysis to guide evaporator design for electronics cooling • Fluid flow analysis of pneumatic system design for automation• Effective R value calculation for composite insulation with and without natural convection • Pressure drop analysis of Catheter system and impact of manufacturing tolerances

• Apply thermal modeling, human thermal physiology simulation, creative test methods and design of experiments (DOE) to explain surprising results which speed new product development and reduced complex and expensive field trials. Used STAR-CCM+, TAITherm, FLUENT, CFX, ANSYS, JMP, and CFD-ACE+• Influence and advance the development of world leading comfortable and protective GORE-TEX apparel, footwear, and gloves by providing informed comfort positions on technology and growth opportunities based on deep knowledge of materials• Increase engagement with external institutes and universities to build and strengthen external partnerships• Expand and enhance internal capabilities for evaluating, predicting, and connecting comfort at material, laminate, system, and user levels• Apply physics-based science, noble test methods and design of experiments (DOE) to explain surprising experimental results which speed new product development and reduced complex and expensive field trials• Drive fundamental understanding projects across enterprise (Divisions and Regions) from concept generation to early exploration, new product development, process engineering, and QA to commercialization and launch• Develop and improve test method to drive product differentiation, product optimization, and prove benefit to end user for GORE-TEX Garment, Footwear, Overshoes, Gloves, and Tents

• Optimized MOCVD Hafnium Silicate process kit to achieve WiW and WtW< 1% using CFD simulations• Collaborated with the process development and engineering team to resolve several issues for single-wafer ALD HfO2 chamber for maintaining superior uniformity and defectivity performance over extended runs.• Implemented and validated CFD models for “In Situ Steam Generation (ISSG)” gas phase chemistry for RTP process. Improved uniformity and resolved customer issues.• Worked with the EPI team for new concept development. Achieved wafer temperature uniformity, modulated window temperature, and characterize chamber flow.• Improved turnaround time and accuracy of CFD simulations by using advanced tool for grid generation and customized user routines.• Applied advanced mesh generation tool to simulate new application areas at several divisions of Applied Materials.• Resolved several outstanding CFD simulation issues by closely working with vendor.• Rapid thermal processing Lamp Head Flow, Thermal, Stress analysis to optimize for lamp head design.

• Drove the development and packaging of thermally active components by testing, analyzing, interpreting results and drawing conclusions for leading the design during product development.• Worked on under hood underbody thermal management for medium-sized cars using Fluent.• Communicated results analysis, project execution plans and priorities to management.• Incorporated advanced methodologies into standard work for performance prediction enhancement and cost reduction.

• Worked on under hood and under body thermal CFD simulations for Jeep using CFD-ACE, VisCART, and ANSA. Completed aero thermal CFD projects on time.• Implemented customized UDF to export/import convection heat transfer coefficients from CFD software to RADTHERM radiation heat transfer software.• Supported field/road trips and validated design changes driven by CFD simulation results.• Developed and implement CFD and heat transfer analysis procedures, instructions and "best practices" guidelines at DCX to improve CPU time, accuracy, and turn around time for front-end cooling airflow simulations.• Reduced turnaround time for CFD thermal under hood and under body simulation by 50% by validating alternate improved methods.• Achieved about $100,000 cost reduction by implementing above procedures, instructions and "best practices" guidelines in production CFD and heat transfer simulations. Recognized in Town Hall quarterly meeting by Vice President, Scientific Labs & Proving Grounds.• Used above alternate method to simulate transient build-up and validate against road test data. • Implementing “One Click Design Iteration” process for aero thermal CFD applications. This will automate several repetitive tasks, minimize user errors, improve turnaround time and most of all free up expert CFD engineers to do more productive work.• Provided guidance to other CFD engineers to adapt established best practice guidelines and new improved processes.• Created general purpose UDFs to reduce turn around time and improve accuracy.

• Provided technical assessment, review, and direction for CFD software development.• Guided internal and external customers for CFD, heat, turbulence and multiphysics issues.• Provided high quality support and consulting on CFD-ACE+ to several key customers such as Honda, Applied Materials, Novellus, NASA, TRW, Ballard, Volkswagen and Canon. • Supported Honda in evaluating CFD-ACE+ and CFD-VisCART for external aerodynamics. Ran several cases ranging 5 – 50 million cells in parallel• Completely automated the process that builds code on several platforms every night and sends status to the development team. This process converted weekly build to daily build and started catching error daily instead of waiting for a week.• Designed, implemented, and automated a QA system to ensure the quality CFD-ACE+ on several platforms, which included regression tests and coverage studies.

• Profiled CFD solver and achieved speed up as well as memory reduction on a regular basis.• Parallelized “Monte Carlo radiation” module using MPI and achieved close to ideal speed.• Increased the speed of calculation of “closest wall distance” algorithm by factor of ~ 30-50.• Increased the speed of calculation of “quadratic element creation” in Stress analysis by a factor of ~ 20-25 and reduced memory requirement by ~ 25 %.• Incorporated new features from research and advanced technology groups into CFD-ACE+.• Achieved a speed up of 50-100X for “Monte Carlo Radiation” module.