Computational Fluid Dynamics Harasek Part 1 potx

... Energy k ε Ideal Real 2.0 10 -4 4.8 10 -4 9 230 3 18 2 2.40 10 -3 5.85 10 -4 1. 90 10 -3 5.58 10 -4 8.50 10 -6 5.58 10 -5 9.60 10 -6 6.03 10 -5 Table 2. Number of iterations ... No. of Cells No. of Iterations % errors in mass flow 1 882 5 533 11 832 3 030 3 18 2 3 500 9.8 10 -3 4.8 10 -4 3.2 10 -1 Table 1. Number of iterations that led t...

Ngày tải lên: 21/06/2014, 14:20

... Poultry Houses Using Computational Fluid Dynamics 75 Computational Fluid Dynamics 70 Computational Fluid Dynamics 72 Computational Fluid Dynamics 76 Computational Fluid Dynamics 80 ... Within and Around Poultry Houses Using Computational Fluid Dynamics 61 Computational Fluid Dynamics 56 Computational Fluid Dynamics 62...

Ngày tải lên: 21/06/2014, 14:20

... effects, we get Euler’s fluid flow equation announced in 17 50. mvmm t m v C C CC t

Ngày tải lên: 21/06/2014, 14:20

... 800 10 00 12 00 14 00 16 00 18 00 2000 -4 -2 0 2 4 x 10 -3 Instantaneous frequency 0 200 400 600 800 10 00 12 00 14 00 16 00 18 00 2000 -0.06 -0.04 -0.02 0 0.02 0.04 Phase 0 200 400 600 800 10 00 12 00 14 00 ... , C C unds A α ⋅ ∫ = G G (10 ) Turbulence, Vibrations, Noise and Fluid Instabilities. Practical Approach. 11 5 • • Computational Fluid Dynamics 12 8 Com...

Ngày tải lên: 21/06/2014, 14:20

... 10 -2 3.29 x 10 -2 1. 09 x 10 -2 1. 07 x 10 -2 2.02 x 10 -2 1. 50 x 10 -2 1. 23 x 10 -2 Table 1. Numerical error in slotted-disk revolution problem 0.00 0. 01 0.02 0.03 0.04 0.05 1. 0 ... 200–208 [10 ] Yakhot V., Orszag S.A., Renormalization group analysis of turbulence (I): Basic theory Journal of Scientific Computing, 19 96 , 1 (1) : 3 211 [11 ] htt...

Ngày tải lên: 21/06/2014, 14:20

... Viscosity ratio A 10 10 B 10 1 C 1 1 D 1 0 .1 E 1 0. 01 F 1 0.0 01 G 0 .1 0.0 01 Table 2. Different input turbulence parameters 0 2 4 6 8 10 12 14 16 18 0 20 40 60 80 10 0 12 0 14 0 16 0 Wind angle ... regions. 0.07 0.08 0.09 0 .10 0 .11 0 .12 0 .13 0 .14 0 .15 0 5 10 15 20 25 30 35 40 45 α (º) Q (m 3 /s) Fig. 11 . The variation of ventila...

Ngày tải lên: 21/06/2014, 14:20

... the pressure signal. f=f'D/V PSD (C P 2 /Hz) 10 -1 10 0 10 1 10 -8 10 -7 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 CFD-SM CFD-RM WT Fig. 16 . CFD and experimental power density spectra pressure ... Fig. 15 , the trend and the amplitude agreed very well, even though the CFD signal contained an additional low energy, high frequency component. Time ( s ) C p 1...

Ngày tải lên: 21/06/2014, 14:20

... throughput D 1 1 1 1 1 1 a/D 0.5 0.75 0.5 0.44 0.5 0.8 b/D 0.2 0.375 0.25 0. 21 0.25 0.35 De/D 0.5 0.75 0.5 0.4 0.5 0.75 S/D 0.5 0.875 0.625 0.5 0.6 0.85 h/D 1. 5 1. 5 1 1.4 1. 75 1. 7 H/D 4 4 ... Shepherd & Lapple, 19 39; Lapple, 19 51; Barth, 19 56; Tengbergen, 19 65; Sproul, 19 70; Leith & Licht, 19 72; Blachman & Lippmann, 19 74; Dietz, 19 81 and...

Ngày tải lên: 21/06/2014, 14:20

... kg.m -3 12 37 12 37 12 40 12 37 Under flow density, kg.m -3 18 44 17 25 18 34 17 10 Over flow density, kg.m -3 11 30 11 14 11 51 114 4 M0 01 R u , (under flow volumetric fraction) 0 .15 0 .14 3 0 .13 04 0 .15 7 ... kg.m -3 13 00 13 00 12 99 13 00 Under flow density, kg.m -3 19 30 17 69 18 89 18 67 Over flow density, kg.m -3 11 88 11 82 12 03 11 89 M002...

Ngày tải lên: 21/06/2014, 14:20

... Reynolds Number Re (10 6) 0.98 7.893 12 00 25.302 0.0744 3 .14 1. 1 10 .705 14 50 30.574 0.0899 4.26 1. 27 11 .0 81 1300 27. 411 0.0806 4. 41 1. 51 11. 730 11 50 24.248 0.0 713 4.64 Table 1. Simulation Flow ... ∂ ∂∂∂ +++ +++ ∈∈ ∈ ⋅⋅⋅ Δ =Δ+Δ ∑∑∑   G GG (30) 1 1 1 11 () (( )) 1 ˆ 2 n n j L q nn LL Fn Fq M a qq ∂ ∂ ∂∂ + + − Γ ++ ⋅ ⎛⎞ =+Γ ⎜⎟ ⎝⎠  G  1 1 1 11 ()...

Ngày tải lên: 21/06/2014, 14:20