This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: Introduction to Fluid Mechanics 7 th Edition Fox, Pritchard, & McDonald Answers to Selected Problems, Chapter 9 9.1 x p = 18.6 cm x m = 10.3 mm 9.3 x p = 10.4 cm x p = 7.47 mm 9.5 Re D = 1 (reasonable) Re D = 2.5 x 10 5 (not reasonable) Use water and D = 10 cm 9.7 L increases with elevation 9.9 A = U δ π 2 = B C = 0 9.11 375 . * = δ δ 139 . = δ θ 9.13 396 . * = δ δ 152 . = δ θ 9.15 Linear: 167 . = δ θ Sinusoidal: 137 . = δ θ Parabolic: 133 . = δ θ 9.17 Power: 125 . * = δ δ , 0972 . = δ θ Parabolic: 333 . * = δ δ , 133 . = δ θ 9.19 s kg 4 . 50 = ab m & F D = 50.4 N 9.21 d exit = 3.13 mm Δ U = 3.91% 9.23 U 2 = 13.8 m/s Δ p = 20.6 Pa 9.25 Δ p = – 1.16 lbf/ft 2 9.27 U 2 = 24.6 m/s p 2 = – 44.5 mm H 2 O 9.29 * 2 δ = 2.54 mm Δ p = – 107 Pa F D = 2.00 N 9.35 y = 0.121 in dy / dx = 0.00326 x w U Re 3321 . 2 ρ τ = L D bL U F Re 6642 . 2 ρ = θ L = 0.0454 in 9.39 θ L = 0.0454 in F D = 0.850 N 9.41 F D = 26.3 N F D = 45.5 N 9.43 F D = 8.40 x 10 –4 N (or F D...
View
Full
Document
This note was uploaded on 09/08/2010 for the course AME 331 taught by Professor Zohar during the Spring '08 term at University of Arizona Tucson.
 Spring '08
 ZOHAR

Click to edit the document details