Compressor Instability with Integral Methods Episode 1 Part 2 ppt

... (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

... on the pressure rise. 2. 6 Compressor Characteristics Mass Flow Rate , P 0.4 0.6 0.8 1 1 .2 1. 4 1. 6 1. 8 2 2 .2 1. 2 1. 3 1. 4 1. 5 1. 6 1. 7 1. 8 1. 9 2. 0 σ =1. 0 σ =1. 5 σ =2. 0 Δ no distortion Γ(0) decreasing σ ... 0.989 41 1. 015 79 1. 126 24 0.98 323 )( 0 α ε (%) -1. 059 1. 579 12 . 624 -1. 677 )0( Γ 0.90000 0.90000 0.90000 0.50000 )10 ( Γ 0....

Ngày tải lên: 07/08/2014, 12:21

... 0 .15 α =+ ( 810 α −°≤ ≤ ° ) (4 .26 a) 5 l 2 4 l 3 3 l 2 2 l 2 l 32 d C1044 918 .0C1 020 416 .0C1060949.0 C1079495.0C1096 313 . 010 6 518 .0C −−− −−− ×+×−× −×+×−×= ( 1& amp; 2 α α < −° > ° ) (4 .26 b) 0043.0C d = ... (IM.LT.IX (1) ) THEN DO 12 0 J=M ,1, -1 12 0 IX(J +1) =IX(J) IX (1) =IM GOTO 20 END IF IF (IM.GT.IX(M1)) THEN DO 13 0 J =2, M1 13 0 I...

Ngày tải lên: 07/08/2014, 12:21

... – 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 .2. 3 for surface preparation grades the ... (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 (1...

Ngày tải lên: 07/08/2014, 12:21

... 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 10 –3 10 1 10 2 10 0 10 50 10 0 25 0 Fig. 2 .16 Kinetic energies of abrasive particles; calculated with (2 .14 ). 1 to 3: particle ... ( ˚ A 3 ) Almandine 5–60 11 . 522 (0.006) 1, 529 . 62 Spessartine – 11 . 613 (0.005) 1, 566 .15 Pyrope – 11 .457 (0.005) 1, 503.88 Grossular 30...

Ngày tải lên: 07/08/2014, 12:21

... and Hutchings, 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 6 3 ,20 0 ∼ 23 21 2 25 0 45 31 4,000 ∼ 17 650–750 ... Acceleration 16 00 p = 0.4 MPa p = 0.8 MPa 12 00 particle count 800 400 0 12 0 15 0 18 0 24 0 particle velocity in m/s 25 0 300 350 450 0 400 800 12...

Ngày tải lên: 07/08/2014, 12:21

... 11 2 1 2 0.5 15 0.9 0.498393 918 0485 01 12 2 1 3 0.5 15 0.8 0.49 729 686 724 2345 13 2 2 1 0.5 20 1. 0 0.5 015 53 818 57 319 6 14 2 2 2 0.5 20 0.9 0.4994 326 346 315 82 15 2 2 3 0.5 20 0.8 0.49 728 811 716 1684 ... Y(xL) at 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 0.49 829 0 625 9 819 02 3 1 1 3 0.3 15 0.8 0.49...

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 4...

Ngày tải lên: 07/08/2014, 12:21

... PEEK 10 45 30 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 ... 0. 02 0.35 0. 018 0. 026 605 0.03 0. 01 0. 31 0. 0 12 0. 010 515 0.07 0. 01 0.39 0.0 31 0. 014 330 0.08 0. 01 0.33 0. 013 0. 027 370 0. 41 0.94 0.97 0. 0...

Ngày tải lên: 07/08/2014, 12:21

... transportation of solid waste 14 0 12 0 10 0 80 1 60(a) 3.07 1. 6 1. 77 working time in h 0.550.55 1. 03 1. 52 equivalent sound level in dB 2 1 23 45 12 0 10 0 80 60 17 9 jobs: 1 - wet blast cleaning 2 - masking windows working ... cutter 8 8 81 Regulatory limit a exceeded Needle hammer 1 <5,845 – 1 14,933 – 1 2 81, 000 80 13 0 Burner 7 30,000 16 5,000 14...

Ngày tải lên: 07/08/2014, 12:21