Stephen Chan Email and Phone Number
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Over 30 years of engineering experience in experimental, computational, and analytical fluid sciences with specialization in aerodynamics of aircraft and spacecraft covering all subsonic to hypersonic regimes. Successfully create innovative fluid-thermal tools and databases that are validated and documented. Complete tasks on time and on budget through detailed earned value project management, leadership, and software development. Clearly present technical data and results to audiences of all backgrounds, both internally and directly to customers.AREAS OF EXPERTISE· Applied aerodynamics· Wind tunnel and flight testing· Verification and validation· Fluid-thermal analysis· Computational fluid dynamics (CFD)· Modeling and simulation· Data management and presentation· Experienced programmer· Lead on multiple projects · Earned value management (EVM)· Secret clearance· SAP/SAR clearancesADDITIONAL INFORMATIONAwards and Achievements· Averaged ~6.5% per year increase in salary over career · Received over 18 individual cash awards, individual stock option packages, and team cash awardsProfessional Continuing Education Courses· 3-Day STAR-CCM+ CFD Training Course and Pointwise Standard Course (both structured and unstructured CFD grids)· Kansas University Flight Test and Instrumentation on Full Scale Engine Testing· Conceptual Design of Unmanned Aerial Vehicles (UAV and UCAV) and Conceptual Design of Aircraft· Design of Experiments, Statistics with Minitab, and Low Observables (Radar Cross Section)· Lessons Learned, Standard Work, Achieving Competitive Excellence (ACE), and 6-SigmaSoftware Proficiency· Star-CCM, Cart3D, ANSYS, CFD++, CFdesign, Pointwise, OTIS, and DATCOM· MATLAB/Simulink, FORTRAN, UNIX, Shell scripts, AWK, DOS, VAX, Perl, SQL, C++, and Visual Basic· Datamine, Tecplot, and PV-WAVE· Oracle Database, Agile, and MS Office (including Word, Excel, PowerPoint, Project, and Outlook)U.S. Citizen
Sierra Space
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Flight Sciences Directorate Deputy Lead, Senior Principal EngineerSierra Space Jan 2021 - PresentLouisville, Colorado (Co), UsManage over 50 engineers in the Flight Sciences Directorate across disciplines including:1. AeroSciences/CFD2. Dynamic Loads3. Thermal Analysis4. Integrated Vehicle Performance5. Propulsion AnalysisDuties include: hiring, performance reviews, intern coordination, EVMS tracking, budgeting, staff planning, software evaluation, briefings to management and customers
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Aerosciences Team Lead, Principal EngineerSierra Nevada Corporation Sep 2016 - Jan 2021Sparks, Nv, UsUpdate and validate the Dream Chaser (DC) spacecraft aerodynamic, hinge moment, and uncertainty databases by integrating subsonic to hypersonic data from wind tunnel testing, flight test data, and CFD to improve full mission capabilities which will include reviewing test plans, model buyoff, test conducting, post test analysis, and presentation to NASA. Proposal capture and developed advanced development programs for follow on work which included other uses for Dream Chaser -
Principal EngineerRaytheon Missile Systems Mar 2015 - Sep 2016Arlington, Va, UsUpdate and validate the aerodynamic, hinge moment, and uncertainty databases of various missile configurations for subsonic to hypersonic flows -
Aerodynamic Database Lead, Senior Aerospace EngineerSierra Nevada Corporation Feb 2013 - Sep 2014Sparks, Nv, Us· Updated and validated the Dream Chaser (DC) spacecraft aerodynamic, hinge moment, and uncertainty databases by integrating subsonic to hypersonic data from $3M of wind tunnel testing, flight test data, and CFD to improve full mission capabilities which included reviewing test plans, model buyoff, test conducting, post test analysis, and presentation to NASA resulting in a $20M NASA milestone award· Managed all SNC involvement as the lead SNC engineer in charge of the integrated DC-Atlas V stack wind tunnel test ($1.2M of the above mentioned $3M) which included writing statements of work (SOW), test coordination with partner companies, and sign off of deliverables in Agile· Analyzed aerodynamics of the DC in various configurations such as deployed control surfaces and landing gear with various tools including STAR-CCM+ and Cart3D CFD codes for optimized designs
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Flight Sciences Senior EngineerTcom, L.P. May 2010 - Feb 2013Columbia, Md, Us· Created, updated, and validated aerodynamic tools by directing over $100K of wind tunnel testing resulting in an order of magnitude improvement in Reynolds number scaling and data quality over the historical database for aerostats (tethered blimps) of up to 115 meters in length· Analyzed aerodynamics of aerostats by streamlining and documenting methods which utilized in-house and commercial codes including ANSYS CFD -
F-22 Flight Test And Analytical Loads Staff EngineerLockheed Martin Aeronautics Jun 2003 - May 2010Bethesda, Md, Us· Improved fleet wide flight envelope expansion, certification, operating limits, life cycle predictions, and inspection intervals by analyzing flight test data and ensuring accurate loads analysis through the creation of verification and validation processes as the lead engineer in charge of Six-Degree-of-Freedom (DOF) flight simulations which included integrating aerodynamics, control laws, and aeroelastics· Defined critical loads test requirements by defining maneuver types, writing test plans, and coordinating with other integrated product teams (IPTs) across many disciplines -
Aerodynamics Engineer (Fluid-Thermal Analyst)Pratt & Whitney Sep 2000 - Jun 2003East Hartford, Ct, Us· Managed over $500K of F-35 Joint Strike Fighter (JSF) engine nozzle validation as the lead engineer by defining objectives, testing in a vacuum facility, reducing test and simulation data into validation reports, and executing EVM of internal and external resources which resulted in optimal design and fabrication· Coordinated with various IPTs and other partner companies to optimize JSF nozzle design by balancing aerodynamic performance, low observables, structural design, weight, and life cycle costs via trade studies· Optimized engine designs by CFD codes (WIND, VNAP, NASTAR, ALLSTAR, ICEM, pV3, Fieldview, and Ensight) and analysis tools (Design of Experiments, Minitab, and MATLAB)· Performed combustion dynamics (screech) modeling and trade studies on F-22 augmentor (afterburner) configurations by developing a MATLAB code resulting in a fleet wide update -
Fluid-Thermal AnalystRaytheon Jan 1996 - Sep 2000Arlington, Va, Us· Analyzed aerodynamic loads on various aircraft, including Big Safari aircraft, by using analytical calculations, wind tunnel testing, water tunnel testing, flight test data, and CFD codes (VSAERO and PMARC) which included creating a Patran-based grid generation method for CFD · Calculated propulsion performance characteristics of jet and propeller systems on numerous aircraft configurations by creating in-house codes and integrating the use of external engine codes· Evaluated stability and control characteristics, decompression loads, icing characteristics (including using LEWICE), and overall airworthiness (including using FAR and JAR) of numerous aircraft configurations· Determined fluid and thermal characteristics of ducts, pipes, environmental control systems (ECS), vapor cycle systems, heat exchangers, and cooling fans
Stephen Chan Skills
Stephen Chan Education Details
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The University Of Texas At AustinAeronautical And Astronautical Engineering -
Texas A&M UniversityAeronautical And Astronautical Engineering
Frequently Asked Questions about Stephen Chan
What company does Stephen Chan work for?
Stephen Chan works for Sierra Space
What is Stephen Chan's role at the current company?
Stephen Chan's current role is Flight Sciences Directorate Deputy Lead, Senior Principal Engineer at Sierra Space.
What is Stephen Chan's email address?
Stephen Chan's email address is st****@****orp.com
What schools did Stephen Chan attend?
Stephen Chan attended The University Of Texas At Austin, Texas A&m University.
What skills is Stephen Chan known for?
Stephen Chan has skills like Aerospace, Aerodynamics, Simulations, Systems Engineering, Engineering Management, Cfd, Matlab, Flight Test, Testing, Aircraft, Earned Value Management, Aerospace Engineering.
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