zFactor (version 0.1.9)

z.HallYarborough: Hall-Yarborough correlation

Description

Hall-Yarborough correlation

Usage

z.HallYarborough(pres.pr, temp.pr, tolerance = 1e-13, verbose = FALSE)

Arguments

pres.pr

pseudo-reduced pressure

temp.pr

pseudo-reduced temperature

tolerance

controls the iteration accuracy

verbose

print internal

Examples

# NOT RUN {
# 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)
# }