def LiqEtlp_px_N2(P,T,x_N2):
	x = (P-5.50742439e+02)/4.95609800e-01
	y = (T--1.77734860e+02)/2.65597000e-02
	z = (x_N2-9.79439130e-01)/3.62464901e-03
	output = \
	    1*-8.10711899e+03
	liq_etlp = output*1.00000000e+00+0.00000000e+00
	return liq_etlp