Interpret physics using digits
Virtual Thermal Fluids, LLC (VTF) provides engineering consulting and R&D services focused on thermal fluid problems, with particular emphasis on the combustion systems of internal combustion engines. The practice delivers computational fluid dynamics (CFD) modeling, multi-phase flow simulation, ignition system modeling, combustion optimization, and heat transfer analysis for diesel, gasoline direct injection, and natural gas engine applications.
Haiwen GeFounder and Principal
High-fidelity three-dimensional combustion CFD analysis using RANS and LES approaches for diesel, SI, and GDI engines. The simulation scope includes ignition, flame kernel growth, flame propagation, spray-flame interaction, and multi-injection strategies.
Integrated ignition system models covering electrical circuitry, arc stretch, ignition kernel formation, and flame propagation for spark-ignition engines.
Computational optimization of engine designs and operating conditions using coupling of scaling laws, genetic algorithms, and parametric design studies for diesel and SI engines.
Development and implementation of mesh-independent spray models and multi-phase flow models within computational fluid dynamics platforms.
Thermal simulation services including conjugate heat transfer, oil jet cooling, battery thermal runaway analysis, and standard process development for OEM thermal modeling.
Development of two-zone G-equation models, two-step combustion models, and standardized 3D combustion CFD workflows for OEM production use.
Automotive · Research Facilities
Automotive
Developed an integrated ignition system model consisting of submodels for electrical circuitry, arc, ignition, and combustion. The model describes current, voltage, electrical energy of the ignition coil, spark plug, and air column to simulate how spark plug orientation affects flame kernel growth, arc development, and flame propagation.
Automotive
Developed standard processes and workflows for three-dimensional combustion computational fluid dynamics (CFD) for an automotive OEM.
Automotive
Developed standard conjugate heat transfer (CHT) simulation processes and workflows for an automotive OEM.