Resume-Aerothermo-updatedzil

Resume-Aerothermo-updatedzil

• 1.
  STEPHEN H. BARTHELSONAEROTHERMAL/CFD ENGINEER 2540 Ogden Avenue, Downers Grove, IL 60515 • [email protected]• 256-479-0548 cell OBJECTIVE Aerothermal/CFD analysis position with a company that would benefit from an experienced and versatile individual that could improve products and enhance profitability. EDUCATION University of Toledo, PhD ME, 1988 (G.P.A. 3.6/4.0) University of Virginia, ME ME, 1976 Vassar College, BA Physics, 1974 Brigham Young University, Postdoc ME, 1990–1993 Purdue University, Postdoc ME, 1988 PROFESSIONAL EXPERIENCE: Zero Chaos at Sun Coke, Lisle, IL CFD Analyst  Fluent modeling of duct flow in coke plant  Combustion modeling in coke ovens Belcan at Rolls Royce, Indianapolis, IN Thermal Analyst  SC03 thermal modeling of aircraft turbines & gearbox oil spray analysis  Static stress analysis using Ansys (classic & workbench) & Nastran; help w IUPUI senior projects Analytical Services & Materials, Hampton, VA Analyst for NASA Langley 2008-12  Thermal Desktop modeling of NASA Constellation components  CFD Analysis for aircraft & trucks using NASA Langley’s usm3d code & CFX Capstone Turbine Corporation, Chatsworth, CA 2007 AeroPerformance Engineer Provide cycle deck & turbomachinery analysis & testing of microturbines  Provide 3-d CFX flow analysis of engine components such as compressors & turbines  Cycle deck analysis & development  Support for existing Capstone C30 & C65 engines-& Development of C200 engine  Test Cell & Compressor rig experience  CatiaV & SAP experience Hunter Fan Company, Memphis, TN 2004-2006 Project Engineer Provide flow analysis/design for Hunter’s fans and home comfort products  Provided 3-d CFX flow analysis of axial, centrifugal, or mixed flow fans or blowers  Lab tested such components in Hunter’s lab  Designed new padless humidifier with lower power consumption & new air purifier
• 2.
   Developed highcfm/watt ceiling fans & assisted w industrial/portable fan designs  ProE & ICEM experience Belcan at GE Aircraft Engines, Evendale, OH 2001 – 2004 Senior Engineer Provided support-especially for GE Aircraft Engine Engineering Tools Group  Performed 3-d heat transfer, STAR-CD solution, analysis of cooled turbine stages to eliminate turbine design flaws stemming from the use of inferior 2-d analysis.  Provided detailed 3-d heat transfer inputs to hot gas path lifing study directed specifically at durability problems with a GE CFM56 engine single stage high turbine.  Involved with compressor and turbine map generation program revision and documentation (code used 1-d blade row analysis to enhance or replace rig test data in generating maps).  Performed 3-d numerical heat transfer (combustion included) modeling of a CFM Taps combustor (new GE low NOx combustor design-interchangeable with older CFM designs) using FLUENT. CSC & PRC, Wallops Flight Facility, Wallops Island, VA 1996 - 2000 Mission Analyst (sounding rockets and high altitude balloons) Performed aero analysis using GEM 3-DOF & 6-DOF trajectory coding, with drag tables from Wallops code and fin & body lift tables from TAD code) of suborbital sounding rockets for performance and flight worthiness, prior to their launch.  Used CFD to study missile viscous flows (around drag plates) and balloon thermodynamics.  Interacted with experimenters external to WFF to insure that their sponsored rockets met expectations.  Published reports for over a dozen missions supported.  Served on review panels to help scrutinize other mission analysts’ upcoming launches.  Defended launch analysis and assisted with launch support operations. Louisiana Compressor Maintenance, Houma, LA 1995 - 1996 Research Associate Studied gas engine emissions with an eye toward retrofit cleanup devices that could allow older engines to operate and meet emission compliance without extensive redesign.  Performed turbocharger matching to assure engines were fit with the right size turbocharger.  Developed computer programs to size compressor rig components (pulsation bottles, cylinder bores, scrubbers, pipes).  Used CFD to find pressure drops in pulsation bottles and other components. Lehigh University, Bethlehem, PA 1994 Research Associate, Energy Research Center: Performed 3-d CFD utility furnace modeling used in NOx sensitivity studies.  Gained power plant experience by gathering furnace dimensions at Alexandria, VA power plant and working with spreadsheet data from other facilities.  Performed stack flow analysis by writing program for determining pressure drops in power plant stacks in response to a stack venting problem. Brigham Young University, Provo, UT 1990 - 1993 Research Associate, ACERC Responsible for CFD coal combustion code development.  Upgraded existing 3-d gaseous combustion code to model all types of furnace inlets.  Compared simulations to experimental data for code verification.  Developed a fast & robust new turbulence model (typically several times faster than a standard k-
• 3.
  epsilon model). Fleck Aerospace,Tucson, AZ 1988 - 1990 Research and Development Engineer Responsibility for CFD simulation (1-d, 2-d and 3-d) of test article related to non-pulsating, stationary jet thrust w/o moving parts for new NASP jet engine prototype. NASA SBIR grant- and private funding provided salary.  Assisted with instrumentation design for measuring test article performance.  Purdue post doctoral modeling project, including development of fast, innovative, supersonic marching algorithm as part of job training.  Provided development code for test article, derived from Purdue modeling experience.  Performed test article simulation and comparison to Wyle Lab test data.  Assisted with project final report. University of Toledo, Toledo, OH 1982 - 1987 Teaching and Research Assistant Provided money for graduate study consisting of dissertation related research on applying multigrid methods to turbulent flows for NASA Lewis (CFD project carried out on university’s IBM mainframe)  Research support  Graded thermodynamics homework & supervised energy lab (including small wind tunnel) Teledyne CAE, Toledo, OH 1980 - 1982 Performance Engineer Provided small jet engine performance support of JTDE, ATEGG & Harpoon cruise missile engines.  1-d performance simulation & test cell testing of jet engines..  Simulated aircraft performance (engine-airframe interaction study). Pratt & Whitney, East Hartford, CT 1978 - 1979 Performance & Stability and Control Engineer Large Turbofan Engine Performance/ Stability & Control Support.  1-d performance simulation (using PWA’s SOAP code) of JT8D-209 &-217 turbofans  Conducted stability & control analysis and outdoor test stand testing for JT9D-7Q fans & nozzles to eliminate stalls (included purposely induced fan & core stalls). SKILLS FORTRAN, Matlab, Microsoft-Word, Power Point, & Excel, UG, STAR, ICEM, Fluent, ProE, Catia, Nastran, Ansys Classic & Workbench, CFX, Thermal Desktop. AFFILIATIONS ASME, National Merit Scholar as undergraduate PUBLICATIONS "Model Comparisons with Drop Tube Combustion Data for Various Devolatilization Submodels", Energy and Fuels, Vol. 9, Issue No. 5, pp. 870-879 (Brewster, Smoot, Thornock coauthors),1994. "A Partial Slip, Constant Eddy Diffusivity Turbulence Model", ASME Forum on Turbulent Flows, FED-Vol. 155, June
• 4.
  1993. "Acceleration of aTwo-dimensional Combustion Code Using MOSI to Solve the Pressure and Pressure Correction Fields for a SIMPLER Based Algorithm", Applied Mathematics and Computation, Dec. 1991. NAS3-25461 "Proof of Concept Tests of Fleck Engine Concept", 1991. (Neil Hartman coauthor) "The Modified Operator Strongly Implicit Scheme, MOSI, as a Fast Elliptic Solver", Applied Mathematics and Computation, Oct. 1989. "Applications of Multigrid Methods to Turbulent Incompressible Flows", PhD Dissertation, June 1988.