Description Usage Arguments Examples
Hall-Yarborough correlation
1 | z.HallYarborough(pres.pr, temp.pr, tolerance = 1e-13, verbose = FALSE)
|
pres.pr |
pseudo-reduced pressure |
temp.pr |
pseudo-reduced temperature |
tolerance |
controls the iteration accuracy |
verbose |
print internal |
1 2 3 4 5 6 7 8 9 | # get z value from a Tpr at Ppr
z.HallYarborough(pres.pr = 1.5, temp.pr = 2.0)
z.HallYarborough(pres.pr = 1.5, temp.pr = 1.1)
# for two given Tpr and Ppr vectors, find the calculated z points
ppr <- c(0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 6.5)
tpr <- c(1.3, 1.5, 1.7, 2)
hy <- z.HallYarborough(pres.pr = ppr, temp.pr = tpr)
print(hy)
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