Page 490 - Chemical process engineering design and economics
P. 490
Design of Flow Systems 467
Re Reynolds number
hydraulic radius
R H
S allowable stress
T absolute temperature
v average velocity
V volume
W work
z elevation
Greek
a kinetic energy correction factor
p ratio of the orifice to pipe diameter
5 annular thickness
E roughness
r) specific gravity or efficiency
0 rotameter-tube taper
^ viscosity
p density
Subscripts
B brake or buoyant
D discharge side of the pump or drag
F float or friction
G gravity
h height
i pump inlet
O orifice
p pressure
Copyright © 2003 by Taylor & Francis Group LLC

