Page 25 - Separation process engineering

h
pressure drop in head of clear liquid, inches liquid

h

height of liquid on stage (Chapter 16), ft
h
height, m or ft

h

height of liquid in mixer, m
h

liquid enthalpy, kcal/kg, Btu/lbmol, etc.
h

step size in Euler’s method = Δt, Eq. (8-29)

pure component enthalpy
h f

enthalpy of liquid leaving feed stage

h F
feed enthalpy (liquid, vapor or two-phase)

h heat transfer

heat transfer coefficient
h L

clear liquid height on stage, m or cm

h
o
hole diameter, inches
h p

packing height, ft or m

h total

height of flash drum, ft or m
h w

height of weir, m or cm
H

Henry’s law constant, Eqs. (8-9), (8-10), and (12-1)
H

molar holdup of liquid on tray, Eqs. (8-27) and (8-28)

H
stage height in Karr column, m
H

vapor enthalpy, kcal/kg, Btu/lbmol, etc.