Mechanical Engineer Engineering

Venkatesh Mantalwad

********@***.*** 906-***-**** Detroit, Michigan Willing to relocate in

SUMMARY

Creative & dedicated master’s graduate with Professional & Research skills. Seeking a fulltime position

Hands-on experience in Engine Component Design, Heat Transfer and Fluid Dynamics

Through understanding of Engine Combustion, Emission Formation and Control through OBD II

Interested in Product Development using CAD modelling, Analysis and Validation Testing

Excellent Logical & Analytical Skills, Teambuilding, Collaborative and Leadership qualities

EDUCATION - Mechanical Engineering

Masters Michigan Technological University (3.58/4) 2016- 2018

Masters [Automotive Tech] College of Engineering, Pune, India (8.75/10) 2012- 2014

Bachelors Walchand College of Engineering, Sangli,India (7.19/10) 2007- 2011

PROFESSIONAL EXPERIENCE

Mechanical Engineer Asama Coldwater Mfg., Coldwater, MI Temp July‘18- Nov’18

Experienced casting, machining, prototyping, vibration testing (NVH) on Cast Iron brake disc rotors

Involved in problem solving, CAD, BOM, drawings, procurement, roughness & roundness testing

Provided manufacturing support to Honda R&D, QA teams and trained associates to new changes

Thermal & Fluid Science Engineer Cummins India Ltd, Pune Sept’14- Nov‘15

Conceptually designed nozzle and needle geometries of VCO fuel injector using Creo

Knowledge of working principle of emission control devices (aftertreatment) - DOC, SCR and DPF

Skilled in Tolerance stack analysis, GD&T, DFMEA, Six sigma, DFM, DoE, Reliability

Presented critical review on “Engine misfire and catalytic converter monitoring using OBD II Technique”

Performed steady and transient Thermal & CFD modeling of engine components

Through understanding of turbulence models, wall functions & governing equations for case setup

Analyzed designs of intake system using CFD and predicted pressure drop & flow distribution index

Performed CHT CFD analysis of exhaust manifold to quantify the heat transfer coefficient and pressure drop for further CCI (charge crack initiation) analysis

Performed CFD analysis of high pressure dump valve at various valve lifts (used cavitation modelling) to determine valve flow coefficients

Performed CFD analysis of remote mounted filter head and tube assembly to predict pressure drop

Predicted pressure drop in the supply & return line to turbocharger, air tube & charge air cooler

Predicted pressure drop and stagnation region in water cooling jacket and reduced temperature gradient along liner from coolant side for uniform cooling

Graduate Engineer- Process Engineering ThyssenKrupp India, Pune July‘11-May‘12

Experienced fabrication, quality testing of boilers pressure (superheater) and structural parts (sheet metal)

Prepared P&ID & PFD, shipped parts, purchased valves and pumps by negotiation with vendors

Checked drawings of gate, globe, check valves to verify sizing, material, flow rate, temperature

Skilled in thermal efficiency calculations, proposal estimation, API & ASME welding, Pressure Vessel Stds

PROJECT EXPERIENCE- Michigan Tech University and College of Engineering Pune, India

CFD Analysis in Piston Bowl of DI Diesel Engine Master’s Thesis July‘13-June‘14

Piston bowl topology varied and studied effect of flow velocity, temperature, TKE and cylinder pressure on performance and emissions

CFD code AVL FIRE used for CAD clean up, meshing, run turbulent combustion flow simulations

Validated CFD model with experimental results of Dahlen et al. and by GT Power modelling

Toroidal bowl performed best amongst studied other bowls considering performance and emissions

Performed constant volume spray simulation to understand spray penetration length & dispersion

Mini Course Automotive Engine lab testing July-Dec‘13

Performance & Emission Test on heavy duty diesel engine (Transient dyno)

Performance & combustion characterization test on Diesel engine

Performance test on Gasoline engine

Swirl & Flow tests of ports on steady state flow-bench

Engine and Transmission Mounting on ATV Vehicle for SAE Baja event July’10-June‘11

Fabricated & estimated bending, torsional stresses on C-section channel to mount the engine and gearbox

Performed FEA and NVH vibration testing by accelerometers, compared against standards

Testing results ensured satisfactory design and fabrication equally effective in vibration isolation

Design and fabrication of absorber & desorber plate heat exchanger of heat pump Jan–Dec‘17

Performed design sizing calculations for absorber, desorber, piping & 3D modeling using SolidWorks

Evaluated sizing based on pressure drop, flow rates, temperature and refrigerant properties

Skilled in design calculations of evaporator, condenser and capillary tubes to support purchase decision

Fabricated leakproof plates (Materials copper, brass) by precision machining & programming in NX

Experienced of machine shop tools & operations like drilling, grinding, brazing, and welding

Thermodynamic analysis of vapor absorption & comp. cycle by HFO & Ionic Liquid Jan’17-May‘18

Modeled thermodynamic equations by NRTL model to evaluate enthalpy & entropy of binary mixture

Evaluated COP of HVAC system -heat pump in EES software at ambient temperature of -20 C

Implemented variable speed compression to improve heating COP at very low ambient temperatures

Estimated optimal pressure ratio for 11 binary pairs at constant desorber, ambient and condenser temp

Improved COP of cycle by 15% using low GWP refrigerants R32, R1234yf, R1234ze(E), R152a, CO2

R32/[Bmim][PF6] & R152a/[Bmim][OTF] binary mixture pairs mostly effective at temp range 0 to -20 C

TECHNICAL SKILLS

CAD: SolidWorks, PTC CREO Parametric, ProE, CATIA, SIEMENS NX, AUTOCAD

CFD & FEA: ANSYS Fluent, CFX, Icepak, ANSYS WB, GT Power, AVL FIRE, Chemkin, AVL Boost

Other: C++, Linux, MATLAB, Python, SIMULINK, EES, SAS (statistics), SAP PLM, POV Ray

TRAINING/ CERTIFICATIONS

ANSYS Design Modular, Meshing, Solver- Fluent ANSYS India Pvt. Ltd, Pune, India

Converge Surface preparation, Meshing and Processing Converge Science Inc. Madison, WI, USA

CATIA Crescendo Technologies Sangli, India

Vehicle Body Engineering Performance Testing ARAI Pune- Brunswick University, Germany

Engine Modelling and Simulation Onward Technologies India Pune

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