Design Engineering

GNANA VISHNU DURGAM

Email: *******@***.*** Mobile: +1-906-***-****

LinkedIn : https://www.linkedin.com/in/gnana-vishnu-durgam-235000134/ Summary

MS graduate student with Master's Thesis in Novel Microscale Phase Change Heat Transfer Technologies to enhance Condensation of Low Surface Tension Liquids. Also specializing in IC Engine/Hybrid Electric Drivetrain domains with 3 years industry experience on Design and Structural Stress Analysis in the Engineering Aero domain. Looking for full-time opportunities. MS Thesis

Novel Microscale Phase Change Heat Transfer Technologies January 2017 - May 2018

(Multiphysics Energy Research Lab @ MTU under Dr. Sajjad Bigham)

"Capillary Assisted Enhanced Condensation Heat Transfer" (Paper publication in review stage)

Conceptualization of a novel capillary wicking approach to enhance condensation.

CAD design, thermal design, mechanical design, heat transfer and fluid flow analyses through simulation and experimentation to understand the effect of capillary wicking structures during phase change phenomenon.

Microfabrication of porous gradient capillary wicking structures on metallic surfaces through diffusion bonding and machining.

Conceptualization, fabrication and assembly of a brand new diffusion bonding experimental setup.

Metal-metal diffusion bonding in vacuum with more than 30 trials to understand the effects of bonding pressure, bonding temperature, vacuum level, duration of bonding etc.

Design and fabrication of milli and micro scale heat exchangers to provide effective cooling.

Design and fabrication of thermal insulation through 3D printing.

Low temp/high temp brazing and soldering processes for assembling the individual parts of the condensation experimental setup.

Assembly of a vacuum chamber with the condensation setup (microfabricated surface, heat exchanger, piping loops, electrification etc.) and installation of the pressure, temperature and DAQ sensors.

Condensation experimentation carried out in vacuum to remove the effect of non-condensable gases.

Heavy hands-on experience with diffusion bonding, brazing, milling, drilling, CNC, 3D printing etc.

Expertise in assembly and working of vacuum cycles and other vacuum applications.

Expertise in electrification of the entire experimental set-up.

Other Projects: Icephobic Surfaces

Extensive online research and literature review on SLIPS (Slippery Liquid-Infused Porous Surfaces).

Fabrication of a porous Cu layer, porous PDMS layer (using sacrificial sugar leeching technique), micro channel heat exchanger, and assembly to form an icephobic surface. Education

Master of Science (Mechanical Engineering) August 2016 - April 2018 Michigan Technological University (MTU), Houghton, MI (CGPA = 3.93) Projects:

i) Effect of External Supercharging in a CI Diesel Engine with Swirl Combustion Chamber: Simulation of a single cylinder Diesel Engine in GT Power, with supercharger and swirl combustion chamber, to categorize the effect of various operating parameters and conditions and validate simulation with the experimental data. ii) Exergy Analysis of a Jet Engine: Study on exergy of each component of a Jet Engine and major factors affecting the exergetic efficiencies and propose strategies for enhancing the overall performance. iii) Control System Design for Configurable Hybrid Electric Learning Module: Design of model based control system for a high-level MotoTron controller using MotoHawk, Simulink, MATLAB to control the functioning of the electric motor, IC engine, stepper motor and electronic throttle control systems. Devise strategies for optimum torque split and respective control logic. Establish CAN communication with the ECU. iv) Advanced Propulsion System Design for Hybrid Electric Vehicle: In-depth design and analysis of propulsion systems for conventional and hybrid vehicles using MATLAB/Simulink. Devise and incorporate technologies for optimum fuel consumption and efficiencies through optimum torque split, start-stop technology, regenerative braking etc.

Bachelor of Engineering (Mechanical Engineering) July 2009 - May 2013 Visvesvaraya Technological University (DSCE) (Grade = 84.50%) College Topper in Mechanical Engineering

Professional Experience

Senior Stress Engineer at Infosys Ltd, India. (Engineering Aero Domain) September 2013 - July 2016

Projects Worked On (Airbus A350-XWB)

i. Pylon Fixed Structure, A350 FLE check stress: Panel Strength and Buckling analysis, Metallic Filled Hole Analysis, Inter Rivet Buckling analysis, Final Dossier preparation for PFS A350 certification.

ii. KINO Frames and Splices: Curved Stiffened Panel Sizing analysis on Forward Lower Shell, Crack Propagation analysis of Frame Splices, Fatigue and Damage Tolerance analysis on Section 15 Frames and Splices of A350.

iii. A350, Floors and PDS Batch 2 and Batch 3 Dossiers: Certification dossier preparation for Batch 2&3 updates for Airbus A350 Floors, Forward Lower Shell and Pax Door Surround components.

Roles and Responsibilities

i. Configuration Controller for the Airbus A350-XWB project data (comprising of 12 teams with 6-7 members each). Responsible for organizing the entire project data, correspondence with client on data exchange and providing timely access of specific data to specific members. ii. Project liaison for audits and responsible for day-to-day acquisition and delivery of project data. iii. Develop & design analysis procedure; FEM geometry, element and load data extraction; CAD modeling and DFEM generation; Finite Element Analysis (FEA); stress & failure calculations and reports. iv. Expertise with CATIA, Hypermesh and Patran for generating and analyzing detailed finite element models (DFEMs) of A350 components.

v. Detailed study of BOMs to understand and implement material specifications in the analyses. vi. Extensive DFMEA analyses and propose alternate solutions for failing components. Update component design through FEM/DFEM, geometry and material updates and updating corresponding BOMs. vii. Communicate directly with clients to understand requirements and ensure timely delivery with high quality. Equal emphasis on customer service and technical analysis. viii. Deliverable time optimization by delegating modules to team members and progress monitoring. Skill Set

Software Skills

MATLAB

Simulink

GT Power

AMESim

MotoHawk

MotoTune

Hypermesh

Patran

Ansys

Abaqus

CATIA

SolidWorks

Solid Edge

Creo

AutoCAD

MS Office

Technical Skills

i. Highly experienced in CAD modeling and applications especially in CATIA and SolidWorks (Extensively on Airbus A350 Fixed Leading Edge, Section 15, Ribs and other component/product features - Infosys Design of various experiment setups for all projects - MERL Lab (MTU)). ii. Experienced in static stress analyses, F&DT analyses, GD&T, finite element analysis (FEA). iii. Excellent understanding of solid mechanics, material behavior and manufacturing processes. iv. Excellent organizational/management skills as the configuration controller for Airbus A350 projects. v. Well versed in dossier compilation, documentation and data processing. vi. Excellent research skills working in the Multiphysics Energy Research Laboratory at MTU. vii. Heavy hands-on experience with diffusion bonding, brazing, milling, drilling, CNC, 3D printing etc. viii. Expertise in assembly and working of vacuum cycles and other vacuum applications. ix. Excellent with thermal design, mechanical design, heat transfer, fluid mechanics and HVAC. x. Expertise with CFD simulation using Ansys.

xi. Experienced in Simulink modeling and design of controls systems, powertrain of HEV. xii. Well versed in mechanics and thermodynamics of internal combustion engines (IC Engines), HEV.

Personal Skills/Participation

i. Teaching Assistant for Physics 1100 Labs at MTU (Rated top 10% of MTU faculty - Average 7 dimension rating).

ii. Member of MTU Mind Trekkers.

iii. Member of SAE and IIF India student membership at College level. iv. Leadership role as part of the Student Council. v. Active member of event organizing committees at College (Avishkara, Torque) at School (Prerana). vi. Member of Logistics team in SAE Virtual Baja 2011 at Dayananda Sagar College of Engineering. Interests: Deep Space Technologies, Engines, Mechanical Designing, Heat Transfer, Mathematics

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