704-***-**** ***************@*****.*** www.linkedin.com/in/sudhan-rajasekar-uncc
GRADUATE RESEARCH AND TEACHING EXPERIENCE
Motorsports Research Lab [Advisor: Dr. Mesbah Uddin] Charlotte, USA, Jun 2016 – August 2018 Numerical investigations on the aero. of ground vehicles in platoon using the fastback DrivAer model (Thesis)
Intended on developing a baseline simulation methodology for examining vehicle interactions
Prepared a commercial type fastback car geometry (DrivAer)
Analyzed interference effects on wake development and drag on cars in platoon using Overset mesh
First ever CFD analysis of vehicle interactions using detailed car geometries Teaching Assistant
Mentored and guided over 150 students in engineering techniques, data collection and processing
Trained the students in tire mounting, balancing and wheel alignment techniques
Guided the students in writing Matlab codes for vibration analysis of systems and to fit Pacejka curves for tire modeling & analysis
Thermal management of a power plant exhaust system and pipeline using CFD
Modeled the exhaust system and pipelines of a power plant that produces roughly 3.6MW of power
Troubleshot thermal breakdown and back pressure issues
Designed a new exhaust pipeline to reduce pressure losses while maintaining heat recovery Influence of CFD setup on simulation results with tandem bluff bodies
Detailed the influence of numerical models, turbulent levels and meshing strategies
Outlined the inefficiency of quasi-steady methods and RANS models in simulating cases with multiple bodies Construction of scaled-model open-circuit suction type wind tunnel
Provided wind tunnel design support and engineering drawings
Hands-on support during construction of plugs for the wind tunnel parts
Trained in fabrication techniques using fiberglass and wood PROFESSIONAL AND ACADEMIC EXPERIENCE
CFD, Thermal Analysis and FEA
UNC Charlotte, Charlotte, USA
Custom 2nd order accurate DNS code for shock tube problems Jan 2017 – May 2017
Created a modular Matlab code based on Riemann and Godunov solvers Steady state heat conduction analysis of 2D composite chimney cross-section Jan 2016 – May 2016
Developed a code for structured grid generation to solve the section with a heat source at the center
Achieved solution up to 2nd order accuracy and verified the results by solving the same case using ABAQUS Demystifying racecar rear diffuser and tail gate analysis for pick-up trucks Jan 2016 – May 2016
Modeled mock-up CAD models of a formula racecar and a pickup truck to run CFD external aero. analyses Anna University, Chennai, India
Effect of combustion chamber geometry on performance and emission characteristics Dec 2014 – Mar 2015
Redesigned the combustion chamber, varied the number of holes in the injector and the injection timing and attained optimum values
Achieved better brake thermal efficiency, lowered the specific energy consumption and emissions
Tested and compared the Re-entrant chamber with conventional chamber using diesel and bio-diesel blends Dynamics and Design
UNC Charlotte, Charlotte, USA
Time domain approach to a single degree of freedom forced vibration system Aug 2016 – Dec 2016
Generated a custom code to solve a vibrating system using Euler Integration method in time domain
Transient and steady-state responses were recorded for varying forcing frequencies
The solving method was validated with the solution from the closed form Anna University, Chennai, India
FSAE/SAE SUPRA Apr 2015 – Sept 2015
Determined dynamic braking forces, torque, braking distance and pedal leverage values for a formula racecar that met braking and handling performance targets
Designed and modeled the mounts for the brake system and hoses Effects of Side wind gusts on a four-wheeler moving on a flat ground Aug 2014 – Sept 2014
Employed Matlab Simulink to simulate on-road conditions and crosswinds acting on a vehicle
Evaluated the directional stability and yaw rate on the vehicle under different wind speeds and angles of attack
Internships
Chennai, India
BOSCH Regional Training Center
Student Intern Apr 2014
Successfully trained in assembly, dismantling, working and calibration of fuel pumps and injectors Renault Nissan Automotive India Pvt., Ltd.,
Student Intern Dec 2013
Carried out cycle-time analysis of the Gearbox assembly line using custom formulae devised based on technician’s age, working time of the day and experience
Overhauled the rework area to reduce the downtime and offline rework hours SKILLS SOFTWARE
Geometry modeling & preparation, turbulence
modeling, overset meshing techniques, FEA, thermal analysis, vehicle dynamics, signal processing, data acquisition(NI-DAQ) & analysis, basic programming
StarCCM+, ANSA, Abaqus, PTC Creo, Solidworks,
LabView, Matlab, Simulink, C++, Engineering
Equations Solver(EES), Office Productivity Tools, LaTex
[Windows, Linux (CentOS)]
EDUCATION
The University of North Carolina at Charlotte, North Carolina August 2018 Master of Science in Mechanical Engineering GPA – 3.1 Anna University, India May 2015
Bachelor of Engineering in Automobile Engineering GPA – 3.7 PUBLICATIONS
"Experimental Investigation of a Single Cylinder Diesel Engine with a Re-Entrant Chamber using Diesel and Bio- Diesel Blends”, ISSN: 1054-853X