Project Objective

**** *********** ******

Waterloo, IA *****

Vasista Chakravartula 906-***-****

********@***.***

Objective:

To obtain a Full-time

position within the field of

Mechanical Engineering

Education:

Michigan Technological

University

Houghton, MI

MS Mechanical

Engineering

April 2012

GPA: 3.3/4.0

MS Specialization:

Internal Combustion

Engine Digital

Signal Processing

Advanced

Thermodynamics

Fluid Mechanics,

Computational Fluid

Dynamics

Introduction to

Hybrid Electric

Vehicles

Work Experience: John Deere,

Waterloo, Iowa

July 2012 -

Present Role -

Calibration Engineer

Develop diesel

engine performance

calibrations to meet

existing and future

emissions

regulations

Create test plans that

will evaluate engine

appropriately and

run them by

interacting

professionally with

test cell operators

and lab supervisors

Independently

analyze data, create

and present

Built Engine

summary and bring recommended

conclusion or course of action in a timely model in GT-Power

fashion Obtained

Projects graphs for

Calibration Development on 9L engine performance

for tractor, sprayer and generator parameters, fuel

application to meet FT4 regulation flow rate and NOx

Comparison of calibration strategies emissions w.r.t

across different platforms of engines change in EGR%

Authore

(13.5L, 9L, 6.8L, 4.5L)

Calibration Development on 9L engine d report

for re-sales in ROW Market (Other than including:

EPA/EU, Low Emission Regulations) Reasons for

meeting Tier 2/ Stage 2 regulations the trend

Competitive benchmark testing to set obtained in

performance

internal guidelines for emissions and

and

performance for no-DPF program on 4.5L

emission

engines to meet FT4 regulations

plots,

Effects of After-Treatment sizing and

optimum

Intercooler settings on Performance and

EGR to be

Emissions

used

Academic Projects:

Study Project: Ethanol

Michigan Tech University

as an Alternative Fuel

Project: Estimation of Diesel Engine

Conducted in-

Combustion Characteristics

depth research on

Objective: Study combustion

production and

characteristics of John Deere 9 liter diesel

properties of

engine using in-cylinder pressure

ethanol to be used

transducer signals

as a fuel for

Calculated various combustion

automobiles

parameters: location of peak

Authored

pressure, start of combustion,

technical report

IMEP, rate of heat release and

including:

mass fraction burnt

performance

and emission

Project: Development of a Combustion

characteristics

Analysis Tool for S.I Engines

of ethanol

Objective: To replace commercially

based Internal

available combustion analyzing software

Combustion

(ACAP) with Labview, Matlab and NI

Engines

hardware

Acquired signals using NI DAQ

Project: Development

system/Labview

of a Common Vehicle CAN log

Post processed signals in MATLAB

Tool (OBD-II)

to calculate combustion characteristics

Objective:

and knock analysis

To

Validated all results obtained using

investigate

ACAP software

available

methods for

Project: Effect of EGR on Emissions and

observing

Performance on a S.I Engine

and logging

Objective: To analyze influence of

vehicle

exhaust gas recirculation in

parameters

performance and emissions stand

available on

point

the CAN bus of a modern and

automobile. To demonstrate the Cohere

usage of a piece of hardware (NI nce

system) and software (Lab view) using

for logging several key parameters the

from CAN signals in a concept

commercially available vehicle s of

(Chevy Malibu) Windo

Investigated and studied basic wing,

Averagi

operating principals of CAN

ng and

communication

FFT

Identified all

commercially available tools

Technical Skills:

for CAN based

communication and parameter

LabVIEW

logging

Comsol

To understand the process by

C

which parameters on a CAN bus

can be selected for logging and

Achievements:

which can be further identified

for data processing

Earned

1st Place in

Project: Engine Powered Refrigerator Trailer

Mechanica

Vibration

l

Objective: To investigate reasons for

Engineerin

vibrations and noise from an engine

g

powered refrigerator trailer compared

Departmen

to smoothly operated semitrailer of

t, 6th Place

same engine and similar refrigerator

overall,

Placed tri-axial accelerometers

Vignana

at various moving parts of the

Jyothi

engine and chassis for both the

Institute of

semi-trailers

Engineerin

Post processed the accelerometer

g and

signals using signal processing techniques

Technolog

Compared frequency spectrum y

and order of vibration sources of

Earned 4th Place

vibrations to identify root cause

in national

Recommendations for eliminating competition,

vibration were suggested “Contraption,”

Indian Institute of

Project: Validation of Signal Technology, (IIT),

Processing Parameters Obtained Madras, India

from NI Sound and Vibration

Earned 2nd place

Assistant software

for Independence

day performance

Objective: To validate the results obtained

(short skit),Vignana

from NI Sound and Vibration Assistant

Jyothi

Generated signals from Institute of

signal generator and passed Engineering and

them through speaker and Technology

microphone setup

Validated signal Activities/ Leadership:

processing parameters:

Frequency Response

Functions (Gain, Phase delay)

Committee Head, Social Dance Club,

Michigan Tech University

Student Supervisor, Food Court,

Michigan Tech University Dining Services

Volunteered various extracurricular

activities at school and college level

Contact this candidate