Case Description

• ·  Simulation of mid-size(0.3mⅹ0.3m) methane pool fire.

Operating Condition

• ·  Inlet heat release rate: 22.0 kW/s
• ·  Fuel feed rate: 604.44 cm3/s
• ·  Fuel: Methane 100%

Physical Models

• ·  LES Subgrid Model : Dynamic Smagorinsky-Lily
• ·  Combustion Model : EDC(Eddy dissipation concept)
• ·  Radiation Model : Discrete Ordinate Model
• ·  Gas Absorptivity Model :

– WSGGM (Weighted Sum of Grey Gas Model)

– Grey Gas Model

– Wide-Band Model

Computational Mesh

• ·  343,000 structured hexahedral cell
• ·  Mesh size check: spectral analysis

->Inertial subrange is observed

Results

• Centerline Mean Temperature