Compressor Instability with Integral Methods Episode 2 Part 5 docx

... 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

... 11.6 32. 9 3 13.0 19.4 40.0 5 32. 1 30.4 62. 7 G -50 steel grit 2 5. 4 11.3 28 .3 3 13.7 20 .0 41.4 3 .5 17.3 19 .2 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 ... rate in m 2 /h Specific abrasive consumption in kg/m 2 Fine coal slag 2 7.6 30.4 15 .2 3 9 .5 32. 4 17.7 5 12. 6 23 .0 32. 9 Star blast 2 5....

Ngày tải lên: 07/08/2014, 12:21

... DFT 25 2 μm 0.6 1 .5 > ;56 > ;56 > ;56 > ;56 1.4 1 .5 1 .5 4 > ;56 > ;56 3.9 1 .5 1 .5 3 > ;56 > ;56 5. 3 1 .5 1 .5 10 > ;56 > ;56 7.6 1 .5 1 .5 3 > ;56 > ;56 Epoxy, DFT 25 2 μm 0.6 36–43 > ;56 ... > ;56 > ;56 > ;56 > ;56 > ;56 1.4 > ;56 > ;56 > ;56 > ;56 > ;56 3.9 > ;56 > ;56 > ;56 > ;56 > ;56 5. 3 > ;56 > ;56 &g...

Ngày tải lên: 07/08/2014, 12:21

... 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 5 ... 0 .22 3,000 1 .5 S45C 0.17 Steel grit 28 0 3.0 S45C 0.36 880 2. 1 S45C 0 .28 1,130 1.7 S45C 0 .23 Silicone carbide 27 0 2. 7 S45C 0.39 29 0 2. 3 S45C 0.39 56 0 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 ... 80–130 Burner 7 30,000–1 65, 000 14–48 Hand-held grinder 1 25 ,000 50 –1 52 Water jet (13 MPa) 1 5, 000–10,000 Regulatory limit undercut Grinding 2 20,0...

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, 1 15 118, 118– 120 , 120 – 121 and inlet distortion propagation in compressor, 57 –73 Tangent of flow angle in inlet, 52 Turbomachinery,...

Ngày tải lên: 07/08/2014, 12:21

... Inlet 41 2. 1 Introduction 41 2. 2 Inlet Flow Condition 42 2. 3 Computational Domain 43 2. 4 Application of Critical Distortion Line 45 2. 5 Application of Integral Method 46 2. 6 Compressor ... Compressor Characteristics 50 2. 6.1 Effects of Rotor Blade Speed ( σ ) 52 2. 6 .2 Effects of Inlet Distorted Region Size ( ξ(0) ) 53 2. 7 Concluding Remarks 55 References 56...

Ngày tải lên: 07/08/2014, 12:22

... Average distance L P /d P μm in m/s rate in g/min in μm 63– 75 70 50 900 ∼ 13 1 25 – 150 52 6 3 ,20 0 ∼ 23 21 2 25 0 45 31 4,000 ∼ 17 650 – 750 29 37 7,900 ∼ 13 90 3 Air and Abrasive Acceleration removal ... sand Cylindrical < 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 &g...

Ngày tải lên: 07/08/2014, 12:21

... ) 2 , 2 , 2 , 2 , 2 , 2 ( 25 24 0 23 0 22 21 131 K P K K KK x xfxK i ii iii +++++ Δ +Δ= βαβα (1.77) ) 2 , 2 , 2 , 2 , 2 , 2 ( 25 24 0 23 0 22 21 23 2 K P K K KK x xfxK i ii iii +++++ Δ +Δ= βαβα (1.78) ) 2 , 2 , 2 , 2 , 2 , 2 ( 25 24 0 23 0 22 21 333 K P K K KK x xfxK i ii iii +++++ Δ +Δ= βαβα ... ) 2 , 2 , 2 , 2 , 2 ,...

Ngày tải lên: 07/08/2014, 12:21

... brush Epoxy 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 .2. 3 for surface preparation ... (ISO 129 44-4, 1998). To define a blast cleaning method completely, the following information is required: Table 1.1 Blast cleaning methods according to ISO 129 44-4...

Ngày tải lên: 07/08/2014, 12:21