FLUENT Fluent Software Trainin Ncct⊙tLD TRN-99-003 Two Equation Model: Standard k-E Model ◆“ Baseline model”( Two-equation) Most widely used model in industry Strength and weaknesses well documented Semi-empirical k equation derived by subtracting the instantaneous mechanical energy equation from its time-averaged value E equation formed from physical reasoning Valid only for fully turbulent flows Reasonable accuracy for wide range of turbulent flows industrial flows ● heat transfer D12 c Fluent Inc. 2/20/01D12 © Fluent Inc. 2/20/01 Fluent Software Training TRN-99-003 Two Equation Model: Standard k-e Model u “Baseline model” (Two-equation) l Most widely used model in industry l Strength and weaknesses well documented u Semi-empirical l k equation derived by subtracting the instantaneous mechanical energy equation from its time-averaged value l e equation formed from physical reasoning u Valid only for fully turbulent flows u Reasonable accuracy for wide range of turbulent flows l industrial flows l heat transfer