GIRISH NIGAMANTH RAGHUNATHAN

480-***-**** **** E Vista Del Cerro Drive, #1092, Tempe, AZ 85281 ac2eaf@r.postjobfree.com

Mechanical Engineering graduate specialized in thermal and fluid sciences and with experience performing research work in the field using CFD analysis looking for Full-Time opportunities available to start immediately.

CAD Modelling - AutoCAD, CATIA, SolidWorks Analysis – ANSYS, Fluent Coding – Matlab, Python, C, C++

Documentation – MS Word, MS Excel, MS PowerPoint

EDUCATION

Master of Science – Mechanical Engineering May 2017

Arizona State University, Tempe, AZ CGPA – 3.92/4.0

Bachelor of Engineering – Mechanical Engineering May 2013

St Joseph’s College of Engineering, Anna University, Chennai, India CGPA – 3.7/4.0

THESIS WORK Advisor: Dr. Huei-Ping Huang

Numerical Solution of a 2-D Model for the formation of Zonal Jets March 2016 – April 2017

Performed a numerical analysis using Matlab to investigate the formation of coherent structures in large scale Fluid Dynamic Systems (atmospheric flows) by solving a modified vorticity equation derived by perturbation analysis.

PROFESSIONAL EXPERIENCE

Assistant Research Technologist, Thermo Fluids Laboratory, Arizona State University, Tempe, AZ. June 2017 – Present

Setup an experiment and analysed the conditions at which a flame passes through a flame arrester monitoring several parameters during the process like flame speed, gasoline level in tube etc.

Working on predicting the velocity profiles for complex turbulent flows comparing the numerical results with the DNS.

Ascertained the values of constants for a formulation for predicting Sauter Mean Diameter of liquid from a pressure swirl atomizer by comparing with existing breakup models like TAB, Wave Breakup model etc.

Laboratory Aide, Thermo Fluids Laboratory, Arizona State University, Tempe, AZ. Dr. T.-W Lee April 2016 – May 2017

Investigated the loss in power output of a Dual Pressure Combined Cycle Power plant due to the thermodynamic losses in steam drum performing mass and energy balance in the steam drum and comparing the actual vs theoretical volume flow rate.

Set up a model using ANSYS Fluent to study the vapour formation process and how it affects the developing jet flow during the unsteady cooling of a flat plate by an impinging water jet when there is high heat flux provided to the flat plate.

Studied the effect of inlet water temperature on the cooling curve (h vs Ts) coming up with a way of predicting the cooling curve for different inlet water temperature values.

Teaching Aide, Thermo-Fluids 2 Course, Arizona State University, Tempe, AZ. Jan 2017 – May 2017

Helped with setting and correction of Home Work and class quiz problems along with explaining the solution to the problem during class hours.

Senior Engineer, Larsen and Toubro Ltd – Construction, Transportation IC, Chennai, India July 2013 – May 2015

Helped in increasing the batching plant productivity by monitoring it daily coming up with ways of improving the overall concrete production process and utilization of resources related to it.

Laid out quality objectives for the department and monitored the progress monthly on various aspects like Mean Equipment Downtime, Equipment Fuel Consumption Rate, Delay in Entering Equipment log information into company’s ERP etc.

ACADEMIC PROJECTS

CFD Analysis of a Two-Phase Turbulent Fluid Flow inside a Channel Fall 2016

A two-phase flow inside a 2-D Channel with a high wall heat flux is modelled using ANSYS Fluent.

The results from the simulation was analyzed to numerically obtain the cooling curves for the flow.

Modelling of Flamelet for a diffusion flame produced by combustion of Methane/Air mixture Fall 2016

Solved 72 step chemistry involved in process using Flame Master and temperature and concentration of product were found.

Results for Laminar and Turbulent diffusion flames were computed and compared.

Numerical Analysis of an unsteady 2-D Flow driven by an external force of periodic nature Spring 2016

Solved the complete Navier Stokes Equations numerically by a fractional step algorithm on a staggered mesh using Matlab.

Conducted a GCI analysis to perform grid convergence study and determine the maximum velocity.

CFD modelling of flow and heat transfer in a thermosiphon Spring 2016

Flow inside thermosiphon was modelled using ANSYS Fluent and efficiency of it was found for different fill ratios.

The optimum Fill Ratio was found from study and was compared with experimental study in literature.

Exergetic Evaluation of Biomass Gasification process for a Downdraft Gasifier Fall 2015

Thermodynamic loses in a Biomass Gasification process was found analytically by an exergy analysis.

Comparison of efficiency was done for Gasification using wood, corn straw and coal as fuel.

RELEVANT COURSES

Relevant courses: Partial Differential Equations, Fluid Mechanics, Applied Computational Fluid Dynamics, Computational Fluid Dynamics, Heat Transfer, Combustion, Advanced Thermodynamics and Linear Algebra.

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