Page 20 - Separation process engineering
P. 20
Nomenclature
Chapters 1 through 18
a
2
3
2
interfacial area per volume, ft /ft or m /m 3
interfacial area for heat transfer on stage j, m 2
a flow , a heat , a mass
eddy diffusion parameters, Eqs. (15-48)
a p
2
surface area/volume, m /m 3
a , a , a , a , a , a
p1 p2 p3 T1 T2 T6
constants in Eq. (2-30) and Table 2-3
A
area, m 2
A,B,C
constants in Antoine Eq. (2-34)
A,B,C,D,E
constants in Eq. (2-60)
A,B,C,D
constants in matrix form of mass balances, Eqs. (6-13) and (12-58)
A , B , C , D
E E E E
constants in matrix form of energy balances, Eq. (6-34)
A active
2
active area of tray, ft or m 2
A c
2
cross-sectional area of column, ft or m 2
A d
2
downcomer area, ft or m 2
A du
flow area under downcomer apron, Eq. (10-28), ft 2
A f
area for flow, m 2
A hole
area of holes in column, ft 2
A
I
