Advanced 3D multiphysics modeling for enhanced green hydrogen production efficiency
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Project Overview
This research develops comprehensive 3D multiphysics models for alkaline water electrolyzers using COMSOL Multiphysics, integrating electrochemistry, fluid dynamics, and species transport to optimize hydrogen production efficiency.
Through systematic parametric studies, optimal operating conditions and design configurations were identified, achieving up to 30% improvement in performance over conventional systems.
Novel flow field designs and electrode configurations significantly improve current distribution uniformity, reduce ohmic losses, and enhance overall system efficiency while remaining cost-effective at industrial scale.
30%Energy saving
6Models built
3DMultiphysics
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Modeling Activities
CFD · Porous Media
CFD Modeling of a Nanomesh Integrated with a Substrate
**Target:** Optimize fluid transport within nanomesh structures on porous substrates using advanced 3D CFD modeling.
**Approach:** Captured precise nanoscale pores and interconnecting channels to replicate realistic inlet velocities and pressure gradients.
**Achievements:** Evaluated how mesh thickness, substrate porosity, and pore size distribution impact flow uniformity.
Python · Data Analytics
Data Post-Processing of BOP
**Target:** Maintain liquid level and pressure balance for efficient gas–liquid separation and high-purity hydrogen generation.
**Approach:** Employed Python to build mass balance modeling, data prediction systems, and optimization methods.
**Achievements:** Successfully monitored stable operation of industrial AWE hydrogen production across key tracked parameters.
COMSOL · Flow Design
Innovative Flow Field Design
**Target:** Enhance fluid distribution and gas removal velocity components within alkaline water electrolyzer stacks.
**Approach:** Deployed comprehensive CFD optimization simulations to analyze local fluid and gas vectors.
**Achievements:** Assured uniform flow velocity, minimized bubble shielding layers, and demonstrated up to a 30% improvement in energy efficiency.
COMSOL · MATLAB · Python
Shunt Current Calculation
**Target:** Reduce current leakage losses and balance manifold distribution within an operating AWE stack architecture.
**Approach:** Integrated multiphysics modeling of shunt current paths and fluid pressure drop across diverse geometry ranges.
**Achievements:** Identified trade-offs between large and small cell configurations to successfully minimize voltage and energy loss.
Multiphase · HEM · Validation
Multiphase Transport Model for Zero-Gap AWE
**Target:** Quantify multi-phase transport mechanisms and manage electrode bubble coverage configurations in zero-gap cells.
**Approach:** Formulated a validated multiphase COMSOL model for a 4 cm² active area system featuring 11 parallel channels.
**Achievements:** Mapped localized electrochemical performance and cross-flow dynamics across varied operational electrolyte velocities.
CFD · Membrane Transport
Gas Cross-Over Estimation in AWE Cell
**Target:** Characterize gas crossover layers to minimize dangerous mixing of product hydrogen and oxygen streams.
**Approach:** Engineered 3D CFD transport tracking configurations encompassing molecular diffusion, convection, and electro-osmotic drag effects.
**Achievements:** Provided multi-scale modeling checking separator thickness, porosity, current density boundaries, and cell pressures.
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Key Achievements
Nanomesh–Substrate Integration3D CFD modeling optimized pore size distribution and mesh thickness, enhancing fluid transport uniformity by 25%.
BOP Data AnalyticsPython-based mass balance modeling improved stability monitoring and degradation prediction through real-time analysis of HTO, OTH, and pressure parameters.
30% Energy Efficiency Gain via Novel Flow FieldCFD-driven 3D flow field design achieved uniform velocity distribution and minimized bubble accumulation, yielding a 30% improvement in overall energy efficiency.
Shunt Current OptimizationMultiphysics modeling identified optimal manifold geometry, reducing energy loss from current leakage while balancing cell-size trade-offs across the full stack.
Zero-Gap HEM Electrolyzer ValidationMultiphase transport model for 4 cm² active area validated bubble coverage dynamics across 11 parallel channels at varied flow rates against experimental data.
Gas Crossover Mitigation3D CFD models quantified membrane transport mechanisms, enabling separator optimization to minimize hydrogen–oxygen mixing under realistic operating conditions.
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Collaboration
I am actively seeking collaboration opportunities in academic research, industry partnerships, and international projects related to electrolyzer optimization, green hydrogen production, and multiphysics modeling.