Turbo Machinery Dynamics Part 4 ppt

... APPLICATIONS FIGURE 4. 3 Temperature variation due to compressor blade fouling (Caguiat, 2002). FIGURE 4. 4 Compressor performance degradation due to blade fouling (Caguiat, 2002). DIESEL AND AUTOMOTIVE ENGINE TURBOCHARGERS ... AUTOMOTIVE ENGINE TURBOCHARGERS 135 FIGURE 5. 14 Laser Doppler velocimetry setup (Karamanis, Martinez- Botas, and Su, 2000). Photomultiplier 45 ° mirror Window 6 W...

Ngày tải lên: 11/08/2014, 06:21

... 54. 6 9.2 221.6 Chilling 50 8639 176.2 54. 6 9 .4 221 .4 No cooling 116 9560 127.3 48 .7 6.7 169.3 FIGURE 3.27 Psychrometric chart with zones of operation (Chmielewski et al., 2002). 30 32 35 40 45 50 55 60 65 70 75 80 85 25 0 15 20 25 30 35 40 45 50 55 0.20 ... 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 85 0 .40 0.35 1.30 1.25 1.20 1.15 1.10 1.05...

Ngày tải lên: 11/08/2014, 06:21

... prominent and audible signal is at 1 .42 4 kHz. Also, four of the frequencies (1022, 12 34, 142 4, and 1622 Hz) coincide with the fifth, sixth, seventh, and eighth orders of 2 04 Hz. A Mach number based on ... DESIGN FIGURE 6. 34 Measured relative velocity contours (Khalid et al., 1998). 0.7600 0.7600 0.7600 0.7200 0.7200 0.7200 0.7200 0.6800 0. 640 0 0.7200 0.6800 0. 640 0 0. 640 0 0.6800...

Ngày tải lên: 11/08/2014, 06:21

... p × (0.15) 2 /4 = 0.01767 m 2 Then W/m 2 RT T w w 2 8 2 44 567 10 065 04 04 065 1 04 078 920= ××× +×−× − ( ) =××− − − (.). .2 0920 10 149 87 8 2 4 R DD TT Lc c l c L ref w22 44 (1 ) = +− − ( ) σε ... 26 287 2 321 1 64 25 000 2 0920 10 26 003 937 46 6 25 000 1 25 12 8 2 4 21 .,,,, .,,, . TT T TT T ww w ww w RT RT CT KTT w w w ww 11 25 2 8 2 4 22 12 1 2 765 126 0 003066 2...

Ngày tải lên: 11/08/2014, 06:21

... Brazing Element Mar M- 247 alloy Mar M 247 –7 Mar M 247 –3 Mar M 247 wide gap IN 738 PM Ni 59.9 65.26 58.13 65.20 63.32 Cr 08.5 10.11 11.95 11.00 15 .40 Co 10.0 07.52 13.00 09.75 08.95 Mo 00.6 00 .45 00 .42 00.30 ... and 7.1 percent. Stress rupture life at 1600°F and 45 ksi for four specimens is between a minimum of 36.5 h and a maximum of 49 .7 h. Based on 49 4 MATERIALS AND MANUFACTURE...

Ngày tải lên: 11/08/2014, 06:21

... f 2 η 0 = gf c 2 η 0 , (4. 44) using the relations following (4. 26), the modal form (4. 29), and the dis- persion relation (4. 37). A linearized approximation of q from (4. 24) is q − f H = f + ζ H ... ∂ x v H 0 + η , (4. 56) from (4. 24) . The other parcel invariants that are functionally related to these pri- mary ones (e.g., Q n for any n from (4. 25)) are redundant with (4. 52)- (4. 54...

Ngày tải lên: 09/08/2014, 11:21

... Nickel Base Alloys / 43 7 11 .4. Cobalt Base Alloys / 44 0 11.5. Nickel–Iron Alloys / 44 2 11.6. Processing of Wrought Alloys / 44 3 11.7. Directionally Solidified Airfoil Technology / 44 6 17.8. Oxidation ... / 46 9 References / 47 2 Bibliography / 47 3 Chapter 12. Manufacturing Methods 47 5 12.1. Introduction / 47 5 12.2. Centrifugally Spun Alloy Steel Casting / 47 6 12.3. Invest...

Ngày tải lên: 11/08/2014, 06:21

... dt u F dm dt u(/) (/) (/) 0 04 0 8 0 (1 ) 1+ = + +       αα f cT h f p b tc =+− 0 0 1 η θθτ [( ) ] F dm dt u f u u f uTR uT M R p p t cc 4 0 4 0 04 40 0 2 0 4 (1 ) 1 (1 ) 1 (/) =+ −++       −               γ F dm ... performance. The inlet-corrected flow is increased from 269 to 2 94 lb/s, tip speed from 140 0 to 148 3 ft/s, and pressure ratio from 3 .4: 1...

Ngày tải lên: 11/08/2014, 06:21

... −0.03570 22 −0.00328 3 0. 046 70 13 −0.03631 23 0.00086 4 −0.01502 14 −0.03631 24 −0.036 54 5 0.05969 15 0.00 242 25 −0.03631 6 −0.033 24 16 0. 049 34 26 −0.01665 7 −0.00078 17 0. 044 79 27 0.00783 8 −0.01688 ... K ( ) 4. 80 (46 1.3 47 5.6) 4. 31 bar (RT ) (100 4. 31) (0.287 46 1.3) 3.256 kg m =− ××= =× = × = ==× ×= − / // // / / γγ ρ T 02 0.3175 290 (4. 75) 47 5.6 K=× = ()/ ./(...

Ngày tải lên: 11/08/2014, 06:21