Page 440 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2
P. 440
404 Production
( ) lnitlal assumptkm of
Enter wlth x 0, dependent verleble
P
Assume vapor
phase mposltlon
Calculate K values
’
at T, P, XI. yI
and fy,
Adjust dependent EXiitWithY,,
vdable P, and T
phase comp-
Figure 6-24. Block diagram for bubble point calculations.
As in the bubble point calculation, several different values of the dependent
variable are assumed
(6-21)
subject to the condition that
IXY+’-~Y~~;E, i=lton (6-22)
A logical diagram for dew point calculation sequence is shown in Figure 625.
In this case 3 is initially &own and must be assumed. A procedure is to