10.52 R (2) 1) w'uc 1 -(r/R,y u=u'for r s R
10.52 Ro R* (2) (1) u/uCL = 1 –(r/Ro) 2 u = u* for r ≤ R* 1
Va 2
V2 b2 2 b3 V1 b1 β V3
A 2)
L 3 ρ1, A1 V1 Az (1) (2)
D→ /77777777777777777/77/177
g 4 D1 V1 c D2 V2 (Problem by Ain Sonin. Used with permission.)
●d Co-n V'd answer:Cp=4/3
5 2 dV (1/ C 2 0 D ρ ≡ answer: CD = 4/3 V0 V0 4d d V0 V0 V0 V0 V0 V0
6 . (b) h1 ρ F g P2 P2 h2
7 V0 (A) (B) V0 V0 V0 α
8 Ω = 100 R1 = 5 cm R2 = 15 cm b = 1 cm β2 = 120° b R2 R1 β2 Ω (Problem by Ain Sonin. Used with permission
9
9 that this force does not exist. flow Ω r1 flow r2 Figure 1
10 Figure 2 Flow Ω F