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1 11 11

2 i -

3 A A A A ii -

4 % 30% 40% 1-2 RCu R Cu =tan -1 Cu/Cm - 1 -

5 Cm s Cp2-5 s=(r5-r2)/cos 2=0.8 R2/cos 2 Cp2-5=1-(R2/R5) 2 =0.69 R 2 R s=(r3-r2)/cos 2 - R3cos 3v+(R5 2 -R3 2 sin 2 3v) 0.5 =0.1R2/cos R2[ -cos 3v+(2.68- sin 2 3v) 0.5 ] Cp2-5= 1-(R2/R3) cos 2 3v /[(R5/R3) 2 - sin 2 3v] (R2/R3) 2 = [1- cos 2 3v /(2.68- sin 2 3v)] R 3 3v

6 R R CFD CFD - 3 -

7 CFD (b) Total-Static Total-Total Total-Static t Total-Total 1-3(a) 1-3(b) A t A - 4 -

8 C m W 1-6 A A THR 1-5 HIGH FLOW LOW FLOW 1-7(a) 1-7(b) t 1-7(c) i d - 5 -

9 1-8 p p p t 1-8(b) t - 6 -

10 Yoshinka

11 0.40 Hunziker Gyarmathy Klassen Wood Cumpsty Kmecl Dalbert 20 3 CFD - 8 -

12 Senoo Osborn Sorokos Senoo 8 10 Hayami Umemoto Aminei Engeda 1-9 Krain 5 Wake Wake 1-10(a) 1-10 (b) 1-10(c) - 9 -

13 Senoo Ishida Mounts Brasz Dawes Dalbert CFD CFD

14 CFD W 4/W2 (pn-p )/(P 0 -p ), =2 2m,n=3 6 L

15 u Nd 0 / 1 (2 2 /60 : (rpm)) X 2m =1.1 2 h T 01*((P 02/P01) ( -1)/ )-1)/(T 06-T01) 2m R =1.10R 2 T 01*((P 02m/P01) ( -1)/ )-1)/(T 06-T01) 6 C pt0*((p02/p01) ( -1)/ )-1)

16 n 0n 01, 2m 6 (= t/ i) / 1 2 2m R 2) 3 4 4m (1.58R 2) R =1.70R c s h th ref pressure side suction side hub shroud

17 - 14 -

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