CFD Engineering Portfolio Airflow, Ventilation & Flow Analysis

# CFD Engineering Portfolio – Airflow, Ventilation & Flow Analysis ## Overview This portfolio presents a selection of Computational Fluid Dynamics (CFD) projects focused on airflow behavior, ventilation performance, and pollutant dispersion. The work covers practical engineering applications, including HVAC systems, parking garage ventilation, industrial flow systems, and environmental analysis, with a strong emphasis on delivering reliable and physically accurate results. --- ## Engineering Applications - HVAC and ventilation system optimization - Underground parking garage airflow and CO removal - Industrial and internal flow systems - Pneumatic conveying and particle transport - Wind turbine wake analysis - Urban air quality and pollutant dispersion --- ## Core Capabilities - Airflow and velocity field analysis - CO, CO₂, and particulate matter (PM) dispersion modeling - Pressure loss and energy efficiency evaluation - Turbulence modeling (k-ω SST, k-ε) - Multiphase flow simulations - Transient CFD simulations - Rotating systems (MRF/AMI) --- ## Tools & Software - OpenFOAM (CFD solver) - Salome (geometry and meshing) - FreeCAD - snappyHexMesh - ParaView (post-processing and visualization) --- ## Project Highlights ### Garage Ventilation System - Achieved uniform airflow distribution using jet fan optimization - Eliminated stagnant zones and improved CO removal - Reached 7.3 air changes per hour (ACH) ### Pneumatic Transport System - Identified critical particle accumulation regions - Evaluated erosion risk in elbow sections - Verified mesh-independent CFD results ### Wind Turbine Wake Analysis - Captured velocity deficit and wake structure - Analyzed downstream flow interactions - Supported optimal turbine positioning ### Indoor CO₂ Dispersion - Identified high-concentration zones - Evaluated ventilation effectiveness - Supported improvements in indoor air quality ### Hydraulic System Optimization - Located high pressure-loss regions - Quantified total pressure drop (2000 Pa) - Improved system efficiency ### Urban PM Dispersion - Analyzed pollutant dispersion using real wind data - Identified zones of elevated exposure - Supported environmental assessment and planning --- ## Engineering Approach Each project is developed through a structured workflow: - Problem definition - Geometry and mesh generation - Model selection and simulation - Post-processing and result interpretation - Engineering recommendations --- ## Value Delivered The focus is on translating CFD simulations into practical engineering insights by: - Identifying critical flow issues - Improving system performance and efficiency - Enhancing safety and air quality - Supporting informed design decisions --- ## Contact Available for CFD analysis, airflow simulation, and engineering support. If you have a project or design to evaluate, feel free to get in touch.