Page 386 - Civil Engineering Formulas
P. 386
X
V 1 Q w g
F 1m
F 1m =
α P 2 , A 2 Section 2
V 2 ,
Resultant force P 1 P 1 A 1 X
θ P 1 =
Y
P 2
α
F 2m P 2 A 2 R
F 2 = Y
V 2 Q w g θ Forces produced by flow at a pipe bend and change in diameter.
F 2m =
Direction of flow
Section 1 P 1 , A 1 V 1 , FIGURE 12.12
314
