Master of Science, Mechanical Engineering: GPA: 3.62/4.00
Florida Institute of Technology, Melbourne, FL. Fall 2013
M.S. Thesis: “Improved Unsteady Maxwell – Stefan Model for Predicting Spacecraft Propellant Evaporation in Microgravity”. Graduate Advisor: Dr. Daniel R. Kirk, Professor, Dept. of Mechanical and Aerospace Engineering, Florida Tech.
Bachelor of Engineering, Mechanical Engineering: Marks: 71.2/100, First Class with Distinction
Visvesvaraya Technological University, Karnataka, India. Spring 2011
Programming Language/Mathematical: C++, MATLAB, CNC Programming.
Chemical Equilibrium Analysis Software: NASA-CEA, STANJAN.
Design/Modeling/Analysis Software: ANSYS Workbench, Fluent, Solid Edge, Creo.
Operating System and Others: Windows Family, Microsoft Word/Excel/PowerPoint.
Total Quality Management and Scheduling: 5-S Methodology, Six Sigma (DFSS and DMAIC), Primavera P6.
Professional Work Experience
Co – founder . June 2017 – June 2019
Co – founded a space start-up to solve the problem of orbital space debris.
Advisor | Bengaluru, India Nov. 2018 – Present
Direct the founders towards building the company portfolio effectively.
Help the founders to streamline the processes within the company.
Work on the development of business model to maximize revenue.
Work on resource allocation for the company and help them attract investors.
Chicago Bridge & Iron Company Engineer II | Lake Charles, LA. Dec. 2014 – Aug. 2016
Coordinate with departments, external suppliers and others towards company prescribed policies/procedures and providing direction for fabrication of multibillion-dollar construction and manufacturing of AP 1000 nuclear modules at VC Summer Nuclear Station (Units 2 & 3) in Jenkinsville, SC and at Vogtle Electric Generating Plant (Units 3 & 4) in Waynesboro, Georgia.
Host daily “Plan of the Day” meetings with General Manager, Engineering Management, Process Engineering, Documentation Engineering and Records Management Team to monitor turnover and production process, update baseline schedule and keep track of delays and making sure deadlines are met by the respective departments.
Delegate work scope to 25 members of the Turnover Review Group as the team lead, estimate work deadlines and bring about process improvement to the existing processes for the group, thereby increasing efficiency without quality being affected.
Conduct risk analysis and prepare Certificate of Compliance on the fabricated modules for the engineering and quality department, prior to shipping the modules out to the customer.
Work with Quality Assurance and Quality Control to ensure production and inspection meet or exceed CB&I quality and safety requirements
Review and comprehend project specifications, procedures, contractual obligations and coordinate with appropriate departments to support manufacturing and fabrication practices and ensuring nuclear and industrial safety is maintained.
Work with on-site WEC Engineers and CB&I Process Engineering Department to acquire Non-Conformance & Disposition documentation after AP 1000 Sub-Modules shipped to VC Summer and Vogtle Site.
Serve as the point of contact between the Customer review department on site and CB&I Lake Charles facilitating better communication during the turnover process.
Field Engineer | Lake Charles, LA. Aug. 2014 – Dec. 2014
Examine in-process documents and perform document review of Shop Travelers and engineering sequences against Bill of Materials, production procedures, ASME & AWS codes, and production instruction sheets.
Supply direction to Bay Foreman and Supervisors during construction to mitigate real-time problems in the field as required for compliance with construction operations and execution with federal, state, local codes, industry standards, company procedures, company safety policy and contractual requirements.
Work with Quality Assurance and Quality Control to ensure production and inspection meet or exceed CB&I quality and safety requirements
Aerospace Systems and Propulsion Laboratory, Florida Tech. Researcher |Melbourne, FL. Mar. 2014 – July 2014
Carried forward my research on Improved Unsteady Maxwell – Stefan Model for Predicting Spacecraft Propellant Evaporation in Microgravity using ANSYS and MATLAB.
Dept. of Mechanical and Aerospace Engineering, Florida Tech. Graduate Student Assistant |Melbourne, FL. Jan. 2012 – Aug. 2013
Responsibilities included but not limited to the grading of assignments, exams, and projects, proctoring exams for 9 courses over the period of 3 semesters.
Advising/tutoring students with their coursework.
Assisting faculty with administrative tasks.
Space safety and Sustainability, Space Generation Congress 2018
Working Group Member | Bremen, Germany Sept. 2018
Over a period of 3 days, worked with a group of 15 members from various nationalities towards making policy recommendations to United Nations on Space Safety and Sustainability by serving on behalf of Space Generation Advisory Council. These recommendations were presented in the UN CUPOUS 2019.
Space Safety and Sustainability Group and Space Exploration Project Group Jan. 2017 – Present
Project Member, Volunteer |Space Generation Advisory Council.
De-orbiting small space debris using space-based laser systems
Leading a multi national team of 17 volunteer engineers to contribute towards developing solutions to actively remove small space debris using fleet of space based lasers.
Thorium based nuclear energy generation to power Martian settlements.
Served as an advisor towards an exploratory study to power martian settlements using thorium based nuclear fuel.
Studying thermodynamic behavior of water towards cooking food on Mars.
Contributed to the study of cooking food on Mars with an analogous comparison to high altitude cooking here on Earth. The focus of this study was to present with findings for long term sustainablity on Martian soil.
Aerospace Systems and Propulsion Laboratory April 2012 – Dec. 2013
Graduate Research Assistant |Advisor: Dr. Daniel R. Kirk| Florida Institute of Technology.
Methods to absorb stray water droplets/globules within EMU helmet in Microgravity.
Designed, developed and tested absorption methods to solve the problem of stray water globules within EMU helmet during accident/emergencies in microgravity. This work involved carrying out tests on absorption capabilities of various materials, droplet contact angle studies on Lexan sheets and study the movement of water globules on Lexan sheets in microgravity conditions. This experiment served as a part of preliminary investigative findings towards the problem with water in the helmet for NASA-JSC.
Improved Unsteady Models for Predicting Propellant Evaporation in Microgravity.
Developed unsteady, one-dimensional analytical models using MATLAB and C++ which can be used to estimate the amount of liquid propellant that evaporates within a rocket propellant tank operating in a microgravity environment. Two very different approaches were developed and compared. These analytical models developed can be used in an efficient manner by mission planners to estimate potential liquid propellant loss due to evaporation, as well as the additional helium mass requirement for propellant tank pressurization. This work was a fundamental work towards a parallel project being done for NASA-JSC.
Modeling of Ullage Collapse within Rocket Propellant Tanks at Micro–Gravity.
Assisted an international student team in developing a hybrid method for a NASA-JSC project which uses a numerical tool to predict the droplet distribution created during a maneuver and subsequently uses an analytical method to calculate the droplet evaporation and consequent change in tank temperature and pressure. The method is applied to predict evaporation and the consequent Ullage collapse in a simulated upper-stage propellant tank undergoing orbital maneuvers.
Analysis of Biot Number, Fourier Number and Nusselt Number on Droplet Evaporation under Micro-gravity.
This work was a prologue to the work on developing improved unsteady model using MATLAB in predicting propellant evaporation in microgravity. This work focused on the variation of these dimensionless parameters and its effects on the droplet evaporation in microgravity.
Droplet contact angle studies on Lexan sheets in micro-gravity - Preliminary investigative report
Carried out droplet angle adhesion tests on lexan sheets for micro-gravity conditions.
Well Stirred Reactor Modeling of the combustion of Hydrocarbon fuels at different Equivalence Ratio and to find minimal NOX formation.
Developed a MATLAB script in predicting the NOX formation by the combustion process in a well-stirred reactor using the Zeldovich Mechanism for various stoichiometric ratios and identify the optimum range at which clean combustion takes place and predict the variation of different pollutants.
Auxiliary research Work
Modeling Kinematic Response of Upper Human Body to Low-Velocity Rear-End Impacts. Jan. 2012 – April 2012
Developed a MATLAB script for predicting the kinematic response of the upper human body to low-velocity rear-end impacts concentrating on whiplash.
S. Mirji, H. Gutierrez, and D. Kirk: “An Improved Unsteady Maxwell – Stefan Model for Predicting Spacecraft Propellant Evaporation in Microgravity”. (Work in Progress)
C.V. Krishnan, S. Mirji, H. Gutierrez and D. Kirk: “An Improved Unsteady Model for Predicting Droplet Evaporation in Microgravity”. (Work in Progress)
Karmakar, S., Hettrich, S., Trivedy, S., Mirji, S. and Bielicki, D. – “Thorium based nuclear energy generation to power Martian settlements”, IAC -2017.
Bhattacharjee, S., Et. Al. – “De-orbiting small space debris through space-based laser system: the case of nano- and pico-satellites fleet”, IAC -2018.
Mirji, S. Et. Al. – “De-orbiting Small Space Debris: Impact of the constellation of space-based laser system on space debris orbits”. (Work in Progress)
Senior Design Project, Centerless Roll Lapping Machine. Aug. 2010 – May 2011
The team of four was responsible for the Design and fabrication of the Centerless roll lapping machine. The objective of the project was to design a roll lapping machine for a small industry, to accommodate workpiece of various diameters on a single machine for superfinishing. I was in charge of fabrication and assembly part of the project. It involved procuring right raw materials and fabricating the parts. I was also responsible for developing CAD drawings of the parts in CATIA and Solid Edge.
Development of commercially viable Hybrid Bike Aug. 2010 – Feb. 2011
Worked on a Design project, to develop commercially viable Hybrid Bike. The project involved modifying of 150cc Gasoline Powered bike to work along with a DC Powered Drive. My responsibilities included the development of the switching mechanism to alternate between the 2 modes and cost analysis for the development. The project couldn’t be carried forward as financial aid to the project was cut off due to change in funding agency policies.
Analysis of heat transfer through a flat plate heat exchanger Aug. 2009 – May 2010
Assisted engineers at a small consulting firm in carrying out analysis on heat transfer through a flat plate heat exchanger during my junior year of my bachelor’s degree.
Awarded Outstanding Graduate in Mechanical Engineering, 2012-13 for the Department of Mechanical and Aerospace Engineering, Florida Institute of Technology.
Team Lead – Turn-over Engineering, CB&I Lake Charles.
Project Lead – Debris Group, Space Safety and Sustainability Group, SGAC.
President of Indian Student Association - Sanskriti, Florida Institute of Technology 2012-13.
Chief Organizer, MECHSMERIZE 2011 – A national level technical symposium at KLE College of Engineering and Technology.
Project Member, Space Exploration Project Group, SGAC. Jan. 2017 – Present
Project Member, Space Safety and Sustainability Group, SGAC. Aug. 2017 – Present
Volunteer, The Planetary Society. Dec. 2017 – Present
Volunteer Engineer, Swachh Bharath Abhiyaan (Clean India Initiative) Nov. 2016 – Nov. 2018
American Institute of Aeronautics and Astronautics, Student Member.
Space Generation Advisory Council in support of UNOOSA, Member.
Space Exploration Project Group, SGAC, Project Member.
Student Rocket Society, Florida Tech. Chapter Member.
The Planetary Society, Member/Volunteer.
American Society of Mechanical Engineers, Student Member.
Order of Engineers, Member.
Backpacking and Hiking.
High-performance car racing.
Endurance training/running marathons, currently preparing for Iron Man Marathon.
Learning different languages.
Exploring MATLAB tools and writing scripts.
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