Compressor Instability with Integral Methods Episode 2 Part 6 ppsx

... Nodes. A B Figure 6. 68 Select All Nodes. Ch 06- H6875.tex 24 /11 /20 06 17: 48 page 29 9 6. 3 Steady-state thermal analysis of a pipe intersection 29 9 A Figure 6. 62 New Analysis window. A Figure 6. 63 Analysis ... temperature Temperature [ ◦ C] 21 93 149 20 4 26 0 Convection coefficient 41.918 39.8 52 34 .63 7 27 . 06 21 .7 46 [W/m 2 ◦ C] Density [kg/m 3 ] 7889 788...

Ngày tải lên: 06/08/2014, 11:21

... (ISO 12 944-4, 19 98). To define a blast cleaning method completely, the following information is required: Table 1. 1 Blast cleaning methods according to ISO 12 944-4 (19 98) Blast cleaning methods ... polymer concrete – 5.0 17 .1 Fusion bonded epoxy (FBE) 6 .1 8.9 >40 Heat shrink sleeve 12 .7 18 .0 27.3 Tape 14 .9 31. 8 28.5 Coal tar urethane 13 .6 16 .5 26.9 a See Sect. 8...

Ngày tải lên: 07/08/2014, 12:21

... (4) 1 0x0 = = α Therefore, the expressions of the forces, (1. 20 , 1. 21 , 1. 22 , 1. 23 ), can be simplified as: () [ ] [ ] 2 22 2 L DD x0 22 2 LL 22 22 LDD 0 22 2 LL kkk 22 FU 2 ( ) (1) 4kk (2 ) kkk U( ... i ii iii PxfxK β α β α Δ= (1. 70) ),,,,,( 00 515 i ii iii PxfxK β α β α Δ= (1. 71) ) 2 , 2 , 2 , 2 , 2 , 2 ( 15 14 0 13 0 12 11 1 21...

Ngày tải lên: 07/08/2014, 12:21

... 1. 8 3. 96 9 b – 0.06–2.8 Al 2 O 3 (99 .3) Corundum Asilikos 1. 3 2.5–2.6 7–8 b – 0.06–2.8 SiO 2 ( 51) Aluminium silica Cast steel – – 60 d – 0 .12 3. 36 – – Garnet – 3. 9–4 .1 8–9 b 1, 31 5 – SiO 2 ( 41. 3) ... facets 32 2 Abrasive Materials particle velocity in m/s kinetic energy in J E p = 0.022 J V p = 10 0 m/s 1 2 3 4 5 6 glass bead d p = 1. 5 mm 10 –5 10 –4...

Ngày tải lên: 07/08/2014, 12:21

... 0.989 41 1. 015 79 1. 126 24 0.98323 )( 0 α ε (%) -1. 059 1. 579 12 .6 24 -1. 677 )0( Γ 0.90000 0.90000 0.90000 0.50000 )10 ( Γ 0.897 84 0.90306 0.92 016 0 .48 265 )( Γ ε (%) -0. 240 0. 340 2. 240 -3 .46 9 ... )0( ξ 0.5 0 .4 0.3 0.2 0 .1 9.0())= Γ Φ 0. 617 66 0. 718 73 0. 819 80 0.92087 1. 0 219 4 )( Φ ε (%) -45 .0 -36.0 -27.0 -18 .0 -9.0 9.0)0( P = Γ Δ 1...

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... 1. 50 .8 1. 5 3 0. 75 Convergent-divergent (Laval) < 1. 50 .9 1. 5 3 0. 85 Cut steel wire Cylindrical < 1. 50 .8 1. 5 3 .5 0. 75 3 .5 5. 5 0.7 > 5. 50.6 56 3 Air and Abrasive Acceleration Table 3 .1 ... 19 94) Particle diameter in Particle velocity Abrasive mass flow Average distance L P /d P μm in m/s rate in g/min in μm 63– 75 70 50 900 ∼ 13 12 5 15 0 52...

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... xL =1. 0 1 1 1 1 0.3 15 1. 0 0.5004074 319 23 014 2 1 1 2 0.3 15 0.9 0.49829 062 59 819 02 3 1 1 3 0.3 15 0.8 0.49 61 3 212 40 510 77 4 1 2 1 0.3 20 1. 0 0.50 319 2 36 719 266 9 5 1 2 2 0.3 20 0.9 0.4988 464 360 967 71 ... 11 2 1 2 0.5 15 0.9 0.498393 918 0485 01 12 2 1 3 0.5 15 0.8 0.4972 968 67242345 13 2 2 1 0.5 20 1. 0 0.5 015 53 818 57 319 6 14 2...

Ngày tải lên: 07/08/2014, 12:21

... A (1) =1. 77 546069 A(2)= -16 .62889 37 A(3) =11 5.42 272 A(4)=-394.29835 A(5)=6 57. 7 478 43 A(6)=- 416 . 677 009 HMAX=0.003 016 77 77 Appendix 4.A. Fortran Program: Chebyshev Curve Fitting 10 1 89 x ξ 0246 810 0.48 0.49 0.50 0. 51 0.52 0.53 0.54 0.55 0.56 0. 57 θ =1 θ=5 θ =10 θ =15 θ=20 θ=25 o o o o o o o o o o o o α(0)=0 .1 ... characteristics. θ 0 10 203040506 070...

Ngày tải lên: 07/08/2014, 12:21

... 54 .1 4.5 19 .7 19 .7 59.6 Garnet 2 2.6 6.6 23 .8 2. 5 5.6 19 .6 17 .2 3 10 .1 20 .9 28 .8 3.5 10 .6 21 .1 30.8 4.5 21 .3 23 .7 54 .1 Glass blast 2. 75 7.6 19 .3 23 .8 3 10 .0 22 .5 26 .8 3.5 11 .5 29 .9 22 .7 4 18 .1 29 .9 ... 32. 9 Star blast 2 5.5 24 .3 13 .6 3 13 .9 38 .1 22 .2 5 17 .5 36 29 .3 Aluminium oxide 2 6.4 11 .6 32. 9 3 13 .0 19 .4...

Ngày tải lên: 07/08/2014, 12:21

... 11 14 20 28 62 43 21 22 14 7 3 30 42 37 40 32 5 24 13 6 40 62 42 21 47 4 10 13 1 50 68 35 14 46 5 16 13 2 60 80 14 7 59 4 22 9 6 70 90 36 6 46 0 16 4 3 80 86 3 1 10 90 90 31 5 46 0 21 5 2 a Polyethylene b Polyetheretherketone about ... and Hodgkiess, 19 72) Oxide Hardness in kg/mm 2 ZnO 184 NiO 600 TiO 2 624 Cu 2 O 23 2 Cr 2 O 3 1, 820 –3 ,27 0 FeO 27 0–390 Fe 2...

Ngày tải lên: 07/08/2014, 12:21

... Abrasive consumption in kg/m 2 Efficiency in m 2 /h Method Reference Copper slag 26 .2 10.7 Slurry blast cleaning Da Maia (20 00) Copper slag a 25 .0 12. 2 Slurry blast cleaning Da Maia (20 00) Sand 22 .3 9 .2 Slurry blast ... for (7 .2) Target parameter in g/ft 2 Coefficients a 1 a 2 a 3 a 4 a 5 a 6 E f for painted steel 26 3. 73 2. 58 −57.17 −0. 03 −0.85 0.71 E f for rus...

Ngày tải lên: 07/08/2014, 12:21

... Na 2 SO 4 0Ri 04. 3± 1.5 A/B20, C80 Noxyde 148 ± 15 None 2/ 2 Ri 0 2. 1 ± 0 .4 A/B80, B20 136 ± 11 NaCl 5 /2 Ri 2- 3 2. 0 ± 0.9 A/B80, B20 151 ± 10 Na 2 SO 4 3 /2 Ri 0 2. 9 ± 0 .4 A/B90, B10 a ISO 4 628 -2 b ISO ... A/B100 199 ± 20 Na 2 SO 4 3 /2 Ri 0 1 .4 ± 0 .2 A/B40, B/C60 Noverox + 21 3 ± 24 None 0 Ri 0 3.7 ± 1 .4 A/B50, C50 DS-mica 22 1 ± 16 NaCl 5 /2 Ri...

Ngày tải lên: 07/08/2014, 12:21

... cleaning (Sa 2 1 / 2 ) 1 6.6/I 0 Epoxy system Wire brushing 2 2.1/S 5 Needle gunning 2 2.8/S 3 Hydroblasting (Dw2) 2 6.9/G 0 Hydroblasting (Dw2 FR) 0 5. 5/G 0 Hydroblasting (Dw3) 0 5 .2/ G 0 Hydroblasting ... organic powder coating (Cambruzzi et al., 20 05) . Abrasive parameters: 1 – mesh 20 –69, 25 0 g; 2 – mesh 12 20 , 25 0 g; 3 – mesh 20 –60, 1000 g; 4 – mesh 12 20 ,...

Ngày tải lên: 07/08/2014, 12:21

... Equations, 11– 12 results, 13–17 asymptotic behavior results, 17 20 compressor performance and charac- teristic, 23 26 critical distortion line, 22 23 mass flow rate, 20 22 theoretical formulation, ... numerical methods, 110–114 results, 115–118, 118– 120 , 120 – 121 and inlet distortion propagation in compressor, 57–73 Tangent of flow angle in inlet, 52 Turbomachinery, 1...

Ngày tải lên: 07/08/2014, 12:21

... wants to Compressor Instability with Integral Methods XII Reviews causes of instability. Figures 2. 7 and 2. 8 are good illustrations of the ability of the method to replicate the compressor ... Fukuoka, Japan, Oct. 20 03. Y.K. Eddie Ng, Ningyu Liu Compressor Instability with Integral Methods With 6 11 Tables ABC 7 Figures and XXII Foreword K dimensionl...

Ngày tải lên: 07/08/2014, 12:22