• Perform aero propulsion analysis and CFD of engine exhaust gas flowpaths with a focus on combustion physics and thermochemistry principles. Model fuel injection into hot gas cross flows with film cooling. Determine auto-ignition characteristics, efficiency, mass flow splits and concentration profiles. Implement correlations for predicting temperature profiles, stability and ignition delay. Perform thermochemical calculations and determine species profiles. Analyze large datasets from… Show more • Perform aero propulsion analysis and CFD of engine exhaust gas flowpaths with a focus on combustion physics and thermochemistry principles. Model fuel injection into hot gas cross flows with film cooling. Determine auto-ignition characteristics, efficiency, mass flow splits and concentration profiles. Implement correlations for predicting temperature profiles, stability and ignition delay. Perform thermochemical calculations and determine species profiles. Analyze large datasets from engine tests to predict operability limits. Show less

• Thermal Dynamics Engineer for GE Aviation Engineering supporting power and thermal management systems (TMS). Performed trade studies on new TMS system architectures and components consisting of fluidic systems, such as: fuel and lube systems, cooling loops, air cycle machines, vapor compression machines, and hybrid electric propulsion and turbomachinery. Sized heat exchangers using in-house tools. Determined ram duct sizing using 1D fluid network solvers. Performed layout of 3D systems… Show more • Thermal Dynamics Engineer for GE Aviation Engineering supporting power and thermal management systems (TMS). Performed trade studies on new TMS system architectures and components consisting of fluidic systems, such as: fuel and lube systems, cooling loops, air cycle machines, vapor compression machines, and hybrid electric propulsion and turbomachinery. Sized heat exchangers using in-house tools. Determined ram duct sizing using 1D fluid network solvers. Performed layout of 3D systems with associated ductwork using NX for preliminary design. Show less

• CFD focal for Stage 1 and 2 Nozzle exhaust diffuser manifolds. Performed 3D CFD with ANSYS CFX. Created air-solid models using NX and ANSYS for subsequent grid generation. Engaged with engineering disciplines of combustion, heat transfer and turbine aerodynamics during the design and development process and optimization. Successfully presented and defended results to peers, managers, Principal, and Chief Engineers during Detailed Design Reviews (DDRs).• Responsible for Aerothermal… Show more • CFD focal for Stage 1 and 2 Nozzle exhaust diffuser manifolds. Performed 3D CFD with ANSYS CFX. Created air-solid models using NX and ANSYS for subsequent grid generation. Engaged with engineering disciplines of combustion, heat transfer and turbine aerodynamics during the design and development process and optimization. Successfully presented and defended results to peers, managers, Principal, and Chief Engineers during Detailed Design Reviews (DDRs).• Responsible for Aerothermal, Conjugate Heat Transfer and CFD analysis of hot gas path components and instrumentation of gas turbine combustion test rigs.• Perform 3D CFD and conjugate heat transfer analysis using ANSYS CFX of combustion rakes, water manifold cooling circuits, nozzle boxes, nozzle bars, and vacuum spin rigs. Provide heat transfer coefficients, temperatures, and pressures for mechanical analysis and lifing of components.• Use CFD for front-end design for improved component performance. Support NPI, NTI, and DoE programs. Show less

• Engaged in the development of integrated flow/thermal systems for multiple gas turbine applications serving the Distributed Power business sector of GE Power & Water.• Performed heat transfer and secondary flow design and analysis for marine and industrial aero derivative engines under steady-state and transient conditions.• Conducted 3D CFD analysis of air/gas systems and components to predict performance.• Actively communicated and interfaced with several design groups on a… Show more • Engaged in the development of integrated flow/thermal systems for multiple gas turbine applications serving the Distributed Power business sector of GE Power & Water.• Performed heat transfer and secondary flow design and analysis for marine and industrial aero derivative engines under steady-state and transient conditions.• Conducted 3D CFD analysis of air/gas systems and components to predict performance.• Actively communicated and interfaced with several design groups on a worldwide basis. Implemented project management to meet program deliverables and deadlines. Show less

• Responsible for seconday flows analysis of innovative cooling designs for land-based gas turbine engines using ANSYS CFX for CFD. Predictions included field variables of cooling flows and convective heat transfer coefficients of turbine rotor-stator components; including rim seals, turbine rotor wheelspaces, rotating cavities, and secondary flow passages. Investigated all aspects of flow field phenomena, interactions between leakage flows and the hot-gas path and boundary layer pumping.… Show more • Responsible for seconday flows analysis of innovative cooling designs for land-based gas turbine engines using ANSYS CFX for CFD. Predictions included field variables of cooling flows and convective heat transfer coefficients of turbine rotor-stator components; including rim seals, turbine rotor wheelspaces, rotating cavities, and secondary flow passages. Investigated all aspects of flow field phenomena, interactions between leakage flows and the hot-gas path and boundary layer pumping. Presented results in peer and design reviews. Made recommendations to program management through technical presentations.• Applied Six Sigma methodologies using ANSYS CFX and 1-D fluid flow solvers for probabilistic robust design and reliability of wheelspace cavities, rim seals, and secondary flow passages. Show less

• On-site CFD analyst at NASA Marshall Space Flight Center working under the Jacobs Engineering Sciences and Technical Service (ESTS) contract conducting 3D investigations into nozzle heat transfer and heat flux of the Ares 1 Upper Stage Ullage Settling Motor (USM). Resulting convective heat transfer coefficients and internal static pressure distributions on the motor’s aft dome, nozzle throat, and aft exit cone (AEC) were exported as data and provided as boundary conditions for parallel… Show more • On-site CFD analyst at NASA Marshall Space Flight Center working under the Jacobs Engineering Sciences and Technical Service (ESTS) contract conducting 3D investigations into nozzle heat transfer and heat flux of the Ares 1 Upper Stage Ullage Settling Motor (USM). Resulting convective heat transfer coefficients and internal static pressure distributions on the motor’s aft dome, nozzle throat, and aft exit cone (AEC) were exported as data and provided as boundary conditions for parallel thermal and structural analyses for three points in the motor’s burn (ignition, mid-burn, and end-of-burn) to assess the nozzle’s design integrity. Created CFD grids and 3D model geometry. Post-processed CFD results using FLUENT and FieldView.• Conducted CFD analyses of the internal flow of solid propellant rocket motors under steady-state conditions. CFD analyses included creation of 2D and 3D models of internal motor propellant grain geometry using Pro/ENGINEER for solid model creation of the motor’s gas domain and a variety of tools for grid generation, such as Gridgen, ANSA, TGrid, and AFLR3 with application of appropriate boundary conditions and physical modeling. CFD solvers include FLUENT and Loci Chem. Post-processed results with FLUENT and FieldView. Prepared documentation of results through technical reports and presentations to customers, management, and engineering design review boards. Show less

• Responsible for incompressible CFD analyses of Caterpillar systems and components using FLUENT. Emphasis included geometry simplification, clean-up, and extensive 3D grid generation of complex machine systems using Pro/E, ANSA, and TGrid. Projects included machine underhoods, diesel particulate filters, air intake manifolds, hydraulic tanks, lines, fittings, restrictions, and cooling systems.

Center for Simulation of Advanced Rockets• Developed complex body-fitted block structured and unstructured grids of the RSRM propellant gas domain using Gridgen. The models included accurate geometry contained in production drawings from ATK Launch Systems.• Generated 3-D CAD geometry using Pro/ENGINEER. RSRM geometry included an eleven-point star grain with stress reliefs at the head-end, an igniter, case, tapered propellant sections, and a submerged nozzle.

• As a member of the Combustion and Thermal Analysis Branch, gained technical growth in Applied CFD by conducting investigations on two projects related to the research and development of new insulation materials for the Space Shuttle Reusable Solid Rocket Motors (RSRMs).• Implemented a high-fidelity computational combustion code Loci Chem using parallel computing to analyze control parameters from a Sulzer Metco Plasma Torch used to simulate the heat flux experienced by the RSRM case… Show more • As a member of the Combustion and Thermal Analysis Branch, gained technical growth in Applied CFD by conducting investigations on two projects related to the research and development of new insulation materials for the Space Shuttle Reusable Solid Rocket Motors (RSRMs).• Implemented a high-fidelity computational combustion code Loci Chem using parallel computing to analyze control parameters from a Sulzer Metco Plasma Torch used to simulate the heat flux experienced by the RSRM case insulation material and nozzle carbon phenolic. Created CFD grids using Pointwise’s Gridgen.• Conducted steady-state analyses of flow field variables of an ATK IC-XL solid rocket motor (SRM) at different stages of propellant burn-back. Show less