Resume
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Objective
Seeking a career that will utilize my knowledge in fluid mechanics, heat transfer & thermodynamics and my experimental skills for product development, testing or research while contributing to the company's growth
Summary
- 5 years of experience in experimental fluid dynamics for combustion research and extensive data analysis
- Sound knowledge of fluid dynamics, thermodynamics, flow diagnostics & stability, and heat transfer
- Proficient in using planar laser induced fluorescence (PLIF) diagnostic technique and image processing
- Strong publication record in reputed peer-reviewed journals and several international conferences
- Expertise in MATLAB, LabVIEW, AutoCAD, C, and MS Word, Excel and Powerpoint
- Over 4 years of experience as teaching assistant for undergraduate/graduate courses and labs
- Strong communication skills and ability to work in a diverse, team-oriented, multi-tasking environment
Education
- Ph.D. Aerospace Engineering, University of Florida, Gainesville, FL (August 2012)
Dissertation: Supercritical Fuel Injection and Mixing in Single and Binary Species Systems
GPA: 3.97/4.00 - B.S. Mechanical Engineering, Jadavpur University, Calcutta, INDIA (June 2007)
GPA: 8.29/10.00
Experience
Postdoctoral Fellow, Sustainable Thermal Systems Laboratory, Georgia Insitute of Technology (January 2013 - present)- Developing microchannel absorption heat pumps for space conditioning and water heating applications
- Writing technical reports for sponsors, managing multiple projects, and assisting junior colleagues
- Mentored undergraduate students to design innovative heat exchangers for nuclear reactor applications
- Experimentally investigated high pressure and high temperature fuel injection/fuel-air mixing in the combustion chambers of gas turbines and diesel engines using laser diagnostics. Project funded by NASA
- Designed test equipment/data acquisition systems using AutoCAD/ LabView. Performed tube and valve sizing and installation, temperature and flow measurements, data analysis & technical report preparation
- Applied PLIF for optical diagnostics and used MATLAB extensively for image processing to establish the first complete images of the jet core structures and also quantified different flow mixing criteria
- Developed methods to measure jet core length/spray angle and their dependence on injection conditions
- Analyzed stability and drop/droplet size of supercritical fuel sprays using a unique numerical approach
- Formulated calibration model for laser absorption and non-linear fluorescence for high energy lasers
- Calibrated an optical parametric oscillator (OPO) using a spectrometer to emit UV to visible radiation
- Assisted and mentored junior colleagues in building apparatus for high-power heater facility and provided recommendations on system problems. Designed optical diagnostics for combustion experiments
- Assisted teaching of several undergraduate and graduate courses including Gas Turbines and Jet Engines, Classical Thermodynamics, Data Measurement & Signal Processing and Compressible Flow
- Evaluated homework and exams, tutored students and lectured periodically a class of 120 students
- Supervised 30 undergraduate students for Thermo-Fluids Design and Lab
- Performed experiments including detailed characterization of pipe losses, performance evaluation of centrifugal compressors, analysis of refrigeration systems and other fluid machinery systems
- Generated curvilinear meshing/grids for a CFD code for liquid flow over a cylinder using FORTRAN
- Designed components for an internal combustion engine involving preliminary stress analysis
Peer-Reviewed Journal Publications
- Roy, A., Joly, C., Segal, C., "Spreading Angle and Core Length Analysis of Supercritical Jets", AIAA Journal, 2013 (Being finalized for publication)
- Roy, A., Joly, C., Segal, C., "Disintegrating Supercritical Jets in a Subcritical Environment", Journal of Fluid Mechanics, Vol 717, 2013, pp. 193-202
- Roy, A., Segal, C., "Linear Stability Analysis of a Sub-to-Supercritical Jet", Physics of Fluids, Vol. 24 (3), 2012, pp. 0341041-0341048
- Roy, A., Gustavsson, J.P.R., Segal, C., "Spectroscopic Properties of a Perfluorinated Ketone for PLIF Applications", Experiments in Fluids, Vol. 51(5), 2011, pp. 1455-1463
- Roy, A., Segal, C., "An Experimental Study of Fluid Jet Mixing at Supercritical Conditions", Journal of Propulsion and Power, Vol. 26 (6), 2010, pp. 1205-1211
Selected Conference Publications and Poster Presentations
- Roy, A., Joly, C., Segal, C., "Supercritical Fuel Injection in Multi-Species Systems", 48th AIAA Joint Propulsion Conference, 29 July - 1 August 2012, Atlanta, GA, AIAA-2012-4091
- Roy, A., Segal, C., "Supercritical Mixing in Single and Dual Species Systems", 3rd Annual FCAAP Symposium and Exhibition, 26-27 April 2012, Tallahassee, FL (Poster)
- Roy, A., Segal, C., "Sub-to-Supercritical Mixing in Single and Dual Component Systems", 50th AIAA Aerospace Sciences Meeting, 9-12 January 2012, Nashville, TN, AIAA-2012-346
- Roy, A., Segal, C., "Sub-to-Supercritical Mixing and Core Length Analysis of a Single Round Jet", 49th AIAA Aerospace Sciences Meeting, 4 - 7 January 2011, Orlando, FL, AIAA-2011-792
Professional Associations
- Member of the American Institute of Aeronautics and Astronautics (AIAA) since 2009
- Reviewer for the International Journal of Hydrogen Energy
- Trained by Continuum Lasers company to operate, align and maintain pulsed and tunable laser sources
Skills
- Technical: Experimental Fluid Dynamics, Laser Diagnostics, Optics, Data Analysis, Heat Transfer
- Computer: MATLAB, LabVIEW, AutoCAD, C, and MS Excel, Word & PowerPoint
- Languages English (Fluent), Bengali (Native speaker), Hindi (Fluent), Spanish (Beginner)
Relevant Coursework
- Heat Transfer: Thermodynamics, Conduction, Convection, Combustion, Gas turbines and Jet Engines
- Fluid Flow: Fluid Mechanics I & II, Turbulent Fluid Flow, Compressible Flow I & II, Multiphase Flow
- Special Topics: Laser Diagnostics, Optics, Hydrodynamic Stability, Data Measurement & Analysis, Flow Control
Leadership Activities
Team Member, Graduate Student Council, University of Florida (January 2011 - December 2012)- Conducted mentoring workshops with department colleagues for approximately 35 new graduate students
- Led and organized laboratory tours and other departmental events for students and faculty
- Organized training workshops and assisted in teaching classes
- Performed social service activities in and around Gainesville