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x_LiBrH2O

Function x_LiBrH2O(T, P)  returns the equilibrium composition of a lithium bromide-water liquid solution given  the temperature  (T) and pressure (P).

The temperature, T, is assumed to be in the temperature units specified in the EES Unit System dialog, which can be C, K, F, or K.

The pressure, P is assumed to be in the unit system EES has been configured to operate in, which can be Pa, kPa, bar, MPa, psia, or atm.

The function returns the composition as the  lithium bromide  mass fraction if EES is configured to operate with specific properties on a mass basis.  If EES is configured to operate on a  molar basis, the function returns the composition as the lithium bromide mole fraction.

The function is based on the correlation provided by:

Patek, J. and Klomfar, J., Int. J. of Refrigeration, Vol 29, pp. 566-578, (2006)
"A computationally effective formulation of the thermodynamic properties of LiBr-H2O from 273 to 500 K over full composition range"

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Example:

$UnitSystem SI C kPa kJ mass
T=50 [C]
P=3.5 [kPa]
x=x_LiBrH2O(T,P)

{Solution:
x=0.4995}

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