Engineer Design

RAJESHKUMAR.K

Mobile No: +919********* / +918*********

E-Mail Id: **************@*****.***

CFD professional with 7+ years of experience, aiming to build a career within and together with a leading organization through perseverance, knowledge and skill.

● Expertise in Automotive components and HVAC Systems such as

Locomotive - Additive EGR Coolers, Water based Inter-Coolers, Heat Exchangers, Turbo-Components(Compressors, Turbine, Blower), CrankCase Ventilation, Air Plenums.

Automobiles - Turbo-Components, Engine Exhaust System, Air Intake System, Oil-Sloshing of marine engines’ oil pan.

HVAC - Electronic system(Locomotive - Inverter unit, Axillary unit, compressor cab), Solar Inverter drive(PCB unit, control cubicle, Heat Sink), entire Engine with and without Canopy

(Engine cover), Car park basements, Data centers and Commercial building such as Airport, Shopping mall

Pump Intake System(Pump-Sump), External flow over residential tower

● Worked on problems involving Incompressible, Compressible, Newtonian, non-Newtonian, Steady, Unsteady, Conjugate Heat Transfer and Multiphase problems.

● Supported product development platforms to design and develop components through Analysis led Design approach. Worked on DoEs(Parametric analysis) to develop new product based on concepts.

● Suggesting design chances, Optimizing with standardizing the design which complies with the standards and manufacturing processes.

● Exhibited team involvement throughout the project and prepared final technical reports with the Inputs, CFD Modelling procedure with assumptions, materials used, observations & recommendations by meeting stringent timelines.

● Involved in preparing standard operating procedures / Best Practices, worked with continuous-improvement/process-improvement idea by creating macros (journals/ state & session files) post-processing to reduce time taken in CFD Analysis for non-repeated & repeated projects, Involved in creating checklist for CFD Analysis, worked on pilot projects.

● Apart from handling projects, had an added responsibility to estimate project timeline for preparing Project quotations in my previous company(Analyzer CAE Solutions)

● Worked as a Diploma Engineer Trainee for about a year in the Quality department. CFD SOFTWARE:

Pre-processing SPACE CLAIM, WORKBENCH(DESIGN MODULAR, ANSYS MESHER), ICEM-CFD, TURBO-GRID, HYPERMESH, FLUENT MESHER(T-GRID), GAMBIT Solvers FLUENT, CFX

Post Processing FLUENT, CFD POST

Documentation M S OFFICE

Statistics ToolS MINITAB

CURRENT EXPERIENCE:

Senior Engineer - CFD

QuEST Global Engineering Services Private Limited, Bangalore. May-2016 to Till Date

+ Offshore - Mitsubishi Heavy Industries - TurboChargers

+ Local Global - Bombardier Transportation

+ Onsite - GE Power Conversion Pvt Ltd, Chennai

+ Offshore - Wabtec Corp. formerly GE Transportation PREVIOUS EXPERIENCE:

CFD Engineer

Analyzer CAE Solutions Private Limited, Pune. June-2013 to May-2016

+ Onsite Assignment - working at Cummins India Technical Center, Pune in Cummins Emission Solutions.(Jan-15 to May-16)

PROJECTS:

QuEST Global Engineering Services Private Limited, Bangalore (May 2016 to Present)

Conjugate Heat transfer analysis of Additive manufactured EGR Pre-Cooler Scope: To understand potential hotspots and low flow regions inside the EGR Precooler to ascertain design margins. And to provide input to FEA for pursuing a Thermal Fatigue analysis and estimate the life of the solid cooler.

Conjugate Heat transfer analysis of Water based Inter-Cooler Scope: To understand the flow field inside the Intercooler on air & water sides and highlight potential hotspots. And to evaluate the metal temperatures on the WBIC to transfer inputs to FEA for life estimation.

Flow Analysis of HVAC unit of Locomotive Engine Components Scope: To understand flow distribution inside individual units (Inverter Cab, Auxiliary Cab, Traction Motors, Alternator, Spin Filters Bleeds) from blower through Air Plenums of the Locomotive both in summer and winter modes of operation.

Flow analysis of the crankcase ventilation system Scope: To develop a new concept(using DoE) for a stable crankcase pressure operation using the principle of an Air Ejector/Eductor without a conventional eductor tube. And to study the performance of developed Eductor tube in different locations in the system to purview of CrankCase Suction Pressure, Turbo back pressure, Boost Flow Rate and Coalescer pressure drop.

Optimization of Inter-Cooler/Precooler/Cooler Headers Scope: To understand the flow and the velocity uniformity at the inlet and outlet of the intercooler. And to suggest design changes to optimize the Inlet and Outlet header for flow uniformity and reduced pressure drop.

Conjugate Heat transfer analysis Radiator

Scope: To study and compare the heat transfer between the water and air of the radiator between concepts.

Conjugate Heat transfer Analysis of the brake disc Scope: To estimate the thermal boundary conditions on the brake disc of the axle and wheel mounted brake discs for FEA. And to highlight any potential hotspots inside the domain to identify risks.

Arc flash Analysis for Inverter Drives’ Transformers Scope: Study the different types of deflector door designs of solar inverter drive and suggest the optimum design by Transient CFD analysis. Also study the pressure distribution in the inner walls of the inverter drive.

Heat sink analysis

Scope: Conjugate heat transfer analysis to optimize the heat sink design according to the fan flow rate of the drive and calculate the pressure drop and temperature.

Thermal comfort metro saloon CFD

Scope: To perform CFD Analysis on the interior open saloon and to determine how effective air from HVAC circulates within the saloon for passenger comfort.

Turbocharger Compressor & Turbine Performance Analysis: Scope: Map the performance of turbocharger turbine and compressor using CFD modelling and investigate the CFD prediction for the comparison of cases with design modifications.

Conjugate Heat Transfer Analysis of Turbocharger: Scope: To evaluate the performance and to determine the temperature at the critical locations of the entire Turbocharger Components. And also to find the amount of heat transfer and skin temperature of Turbocharger Components.

CFD of Oil Sloshing for different Tilts:

Scope: To verify the oil level and suction bell coverage of oil pan for different vehicle tilt conditions. And also to show the animations of oil slosh and Oil fraction history on the lube suction bell over entire roll and pitch periods.

Conjugate Heat Transfer Analysis of Engine Heat Shield: Scope: To evaluate the Hard heat shields of the Engine, identifying hot spots on the outer surfaces over a critical temperature due to heating, with given under hood temperature for the manifold heat shields.

Cummins Technologies India Pvt. Limited, Pune (January 2015 to May 2016)

Flow analysis of Exhaust After-Treatment System: Scope: To run Parametric Analysis/DOE which optimizes the pressure drop across the system and the flow distribution index on the substrate faces like DOC, DPF and SCR above design acceptance criteria.

Unsteady Spray Analysis of Exhaust After-Treatment System: Scope: Optimize the design of After-treatment System, to achieve highest possible percentage evaporation of injected DEF and lowest percentage of wall film per injected mass across the domain. To determine the uniformity index of DEF on the specific faces.

Conjugate Heat Transfer Analysis of DEF Doser system: Scope: To evaluate and minimize the skin temperature of Doser parts and to control the heat transfer to other sensible After Treatment components like Sensor Module. Analyzer CAE Solutions Pvt . Ltd, Pune (June-2013 to January 2015)

Flow analysis of Pump-Sump:

Scope: To find out and reduce the flow recirculation at pump inlet which will reduce the performance of pump. Design modifications are suggested by adding different vortex breakers and splitter to predict the flow recirculation at pump inlet region. MRF approach was used to capture the flow behavior around the impeller blades.

CFD Analysis of Sumps

Scope: Identifying of Swirl, approach velocity, location of pump intake, velocity changes in Sump and Pump Intake Pipe. Also to suggest suitable methods like implementation of vertex breaker, Curtain wall, Cross plate to reduce the swirl. To attain the Swirl angle under design acceptance by optimizing the design using Parametric Analysis/DOE.

Flow and Thermal Simulation of Canopy (Underhood Thermal Management) Scope: To calculate the flow rate achieved by the fan with the Flow field visualization inside the layout and reporting the critical areas. To calculate the area required for the inlet and outlet on shelter. And also to check the mixing of hot and cold air inside/outside of the canopy (shelter).

CFD analysis of Basement (HVAC)

Scope: Strategically place the jet fans to effectively relay and remove CO released from the automobiles from the car parking basement. Simulating “what if” analysis of sudden fire inside car park basements, Shopping malls and implementing suitable measures for preventing smoke spread and quick smoke removal in the car park basements and shopping malls.

CFD analysis of Airport Terminal (HVAC)

Scope: To identify the thermal hotspots, flow recirculation and optimize the location and mass flow rate of supply air from air handling units inside the airport terminal. And also to flow field visualization inside the airport terminal.

CFD analysis of Data center (HVAC)

Scope: Locate areas of uneven cooling, flow recirculation and thermal hotspots. Determine the optimal location of diffusers for best performance. Customize UDF’s to account for Forced convection and rack heat generation. Implement suitable modifications, suggest strategies and cross verifying the results using calculations.

Flow analysis of crane valve

Scope: To find out the pressure drop across the system and to report the valve coefficient which helps to identify the efficiency of the valve. And to set a benchmark to make better pre-processing, solving and Post-processing which leads to better results.

CFD analysis of Residential Tower

Scope: To investigate the outdoor units (condenser units) performance under various wind directions and to visualize the flow field short circuiting from stacked arrangement of outdoor units and also to locate the areas of flow recirculation and thermal hotspots. Les Ateliers de Pondicherry Private Limited, Pondicherry (Non CFD Experience)(May-2009 to March 2011)

Worked as a Diploma Engineer Trainee in the quality department. Personal Details:

o Name: Rajeshkumar K

o Date of birth: 22 December 1989

o Languages Known: English, Tamil

o Mobile number: 887*******

DECLARATION

I hereby declare that the above furnished details are true to the best of my knowledge.

[ RAJESHKUMAR.K ]

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