def LiqEtlp_px_N2(P,T,x_N2):
	x = (P-5.54521463e+02)/3.71707300e-01
	y = (T--1.77417593e+02)/4.69959000e-02
	z = (x_N2-9.51559553e-01)/5.66992393e-03
	output = \
	    1*-8.14776889e+03
	liq_etlp = output*1.00000000e+00+0.00000000e+00
	return liq_etlp