def LiqEtlp_px_N2(P,T,x_N2):
	x = (P-5.62017561e+02)/2.47804900e-01
	y = (T--1.74950614e+02)/6.71933000e-02
	z = (x_N2-7.23795886e-01)/7.08404154e-03
	output = \
	    1*-8.55379651e+03
	liq_etlp = output*1.00000000e+00+0.00000000e+00
	return liq_etlp