Examination of Environmental Factors Influencing the Emission Rates of Semivolatile Organic Compounds
Table 5
A list of CFD analysis conditions.
Mesh divisions
Approximately 890,000
Turbulence model
Low-Reynolds (Re)-type k–ε model (Abe–Nagano model)
Difference scheme
First-order windward
Supply boundary
Uin = 2.1 × 10−2 m/s (case 7), 3.9 × 10−2 m/s (case 8), and 5.2 × 10−2 m/s (case 9) Lin = 3.0 × 10−3 m, k = 3/2 (Uin × 0.015)2, and L = 1/7·Linε = Cu·k3/2/L
Exhaust boundary
Uout: via mass conservation; kout, εout: free slip
Wall surface boundary
No slip
DEHP surface gas-phase concentration at 28°C (Cs) = 298.3 μg/m3; DEHP air diffusion coefficient at 28°C (Da) = 7.1 × 10−7 m2/s.
