Dream Chaser - Propulsion– Propulsion pressurization and feed system sizing (including waterhammer)– Propulsion system mission performance analysis– Slosh analysis– Propellant decomposition kinetics and mission analysis

Human Launch Services - Propulsion– Interim Cryogenic Propulsion Stage (ICPS) for NASA Space Launch System (SLS)– Analysis of 2nd stage vehicle propulsion performance– Analysis of cryogenic propellant conditioning to support multiple research activities– Requalification of components (requirements, test plans, and anomaly investigation)– Development of propulsion proposal inputs for ICPS contract

PRINCIPAL INVESTIGATOR:• Molten Salt Heat Transfer Fluid Technology for Parabolic Trough Concentrated Solar Power Plants – Oversee research and development for use of molten salt heat transfer fluid at 500-550°C: component design/testing, heat tracing/impedance heating, corrosion testing, post-weld heat treatment, salt testing/selection, plant design, economic assessment – Experimentation with thermal-electrochemical stability of nitrate/nitrite molten salts and exploration of in-situ monitoring and buffering including sensor development – Developing a prototype molten salt rotary joint for 500°C/25 bar utilizing heat pipes to maintain seal performance – Developing various prototype components with several international suppliers – Perform remote troubleshooting and root cause analysis for failed test articles – Oversaw 2MW thermal pilot plant design and engineering• Thermal Energy Storage for Parabolic Trough Concentrated Solar Power Plants – Surveyed, evaluated, and developed low cost, high temperature utility scale thermal energy storage (TES) concepts – Developed methods for evaluating designs/concepts with unknowns present – Developed hybrid thermal/electric storage concept• Three patents in application or provisional stagePROJECT MANAGER:• Project: U.S. DOE cooperative agreement (DE-FC36-08GO18156 – Phase 1) – Reducing Cost of Thermal Energy Storage for Parabolic Trough Solar Power Plants – Built and managed team of 4 engineers in balanced matrix project structure – Achieved Phase 1 objectives within budget and obtained $1.8 million Phase 2 award• Project: U.S. DOE cooperative agreement (DE-FC36-08GO18038 – Phase 1 & 2) – Development of Molten Salt Heat Transfer Fluid Technology for Parabolic Trough Solar Power Plants – Built and managed team of 4-9 engineers in balanced matrix project structure – Achieved Phase 1 objectives under budget and obtained $3.4 million Phase 2 award

Marketing Chair

• Software development/engineering (including test strategies) for thermodynamic, heat transfer, and fluid simulation with integrated modeling to include system interactions• Advised and provided international technical support to users of GTI’s multiphysics, object oriented engine thermal management and drivetrain simulation tools• Customer interface with BMW thermal management simulation group - Munich, Germany• Conducted consulting projects related to engine thermal management using coupled transient system simulation and analysis (including fluids, thermodynamics, heat transfer, mechanics, dynamics, and controls)• Trained GT-COOL users in North America and Europe to simulate vehicle thermal management systems and all system interactions• Spearheaded a project with international universities to facilitate the use of engine simulation software in their curricula

• Developed a Detroit Diesel S60 engine model in GT-POWER and integrated it with the Vehicle/Engine Cooling System Simulation code developed in Matlab/Simulink• Utilized integrated model for 42-volt engine cooling system evaluation• Developed an active cooling system control strategy to reduce fuel consumption while simultaneously maintaining a desired cylinder wall temperature

• Supervised daily manufacturing operations of four departments• Prepared for relocation of two departments