Dr. James Willie

- Simulation and optimization of the flow in pumps and compressors and their systems including multiphase flows in oil flooded vane pumps using CONVERGE CFD - CHT analysis to improve cooling in pumps and compressors - FEA and Rotordynamics analysis of pumps and compressors - Noise analysis and design & optimization of silencers for screw compressors application - Project management

Simulation and optimization of the flow in pumps and compressors and their systems including multiphase flows in oil flooded vane pumps using CONVERGE CFD - CHT analysis to improve cooling in pumps and compressors - FEA and Rotordynamics analysis of pumps and compressors - Noise analysis and design & optimization of silencers for screw compressors application - Projektmanagement

-Manage technology and innovation within R & D -Support projects that will give company competitive edge in the market (Eg. Development of new claw pumps with vacuum range extension, development of screw vacuum pumps for application in the chemical market) -Design of silencers - Optimisation and continuous improvement of existing products using CFD/FEM and DoE -VAVE (Value Added Value Engineering)-Optimisation of products with the goal of reducing cost

- CFD, FEM and FSI - Drive train analysis-Torsional vibration problem investigation using lump mass models - Noise and acoustics analysis in positive displacement machines - Design and analysis of silencers - Sizing of vacuum pumps using VacTran - Engineering optimization of pumps using Design of Experiments (DoE) - Rotor balancing and harmonic and modal analysis - 0-D chamber model development for compressors - Supervision of MSc students working on their thesis

- CFD simulations to help improve flow in positive displacement pumps, blowers and compressors. - Perform Conjugate Heat Transfer (CHT) flow simulations to help with improving cooling in positive displacement machines. Fluid-Structure-Interaction (FSI) simulations to help avoid resonance/vibration in positive displacement machines. - FEM simulations of positive displacement pumps, compressors and blowers. - Drive train analysis-Torsional vibration problem investigation using lump mass models

Working as research assistant at the Institute of Steam and Gas Turbines, RWTH Aachen University - Support various projects like SFB 686 (Model based control of low temperature combustion) - Participate and support Professor Dieter Bohn in teaching and research (Preparation of lecture slides, etc) - Tutor and mentor and supervise students working on their thesis

Worked on project for KHI (Kawasaki Heavy Industries) and did the following: - Structure analysis of gas turbine blades using FEM and DATES. - Sensitivity analysis of compressor blades using star-ccm+.

Computational fluid dynamics (CFD) analysis of gas turbine burner for varying flame temperatures and CFD validation of gas turbine burner with experimental results.

- Designing 3D models using Pro/Engineer and grid generation using the pre-processing tool from the CFD code GMTEC & ICEM CFD. - Mini thesis on the topic: ‘Implementation of the “No Time Counter” (NTC) algorithm for spray collision in the in-house CFD code GMTEC-GS. I did the following: - Incorporated the “No Time Counter” (NTC) algorithm developed by Prof. David Schmidt, Univ. of Massachusetts Amherst in the CFD code GMTEC. - Compared the NTC scheme with the O’Rourke scheme in GMTEC.

- Turbomachines with research topic on gas turbines combustion modelling and control of thermo-acoustic instabilities (Final PhD exams in October 2011) PhD topic: “Simulation and control of instationary reactive flows in a matrix burner for small power gas turbine applications”.

-Simulation techniques in mechanical engineering (CFD, Boundary layer theory, heat and mass transfer, combustion, turbulence theory, finite element analysis, etc) -MSc. thesis on "Unsteady simulation of diesel in a gas turbine burner" done at Alstom Switzerland Ltd