ANSYS Fluent Multiphysics Simulation: Airflow & UVGI Radiation in HVAC Duct

Project Overview:
Seeking an experienced CFD engineer to simulate airflow and UVGI (Ultraviolet Germicidal Irradiation) disinfection performance inside a geometric ventilation duct.

Scope of Work:
1. Clean and mesh a provided CAD geometry of a rectangular/circular duct containing [Number] UVC lamp fixtures.
2. Set up a steady-state/transient CFD airflow simulation using an appropriate turbulence model (e.g., k-omega SST).
3. Implement the Discrete Ordinates (DO) radiation model to simulate the UVC light intensity field across the duct, accounting for wall reflectivity (e.g., aluminum duct surfaces).
4. Simulate pathogen tracking using DPM or species transport to calculate cumulative UV dose and log reduction (inactivation efficiency).
5. Deliver a comprehensive final report detailing velocity profiles, UV irradiance distribution (W/m²), and animation/plots of pathlines, along with the archived ANSYS project file (.wbpz).