Function Td = mollier_Td_ashrae2013(pv); returns the dew-point temperature in degrees C for the given partial vapour pressure of air in Pa. The used approximation is given by Ashrae, who cite Peppers 1988. See also the m-files: mollier_ps_ashrae2013.m mollier_Td_magnus.m mollier_Td_baehr.m Reference: 2013 ASHRAE handbook - Fundamentals - SI Edition (Chapter 1 Psychrometrics) Atlanta: ASHRAE, 2013 (c) 2026 fabien van mook 2026.08.20 release of this file within package "fvm-mollier" under GNU GPLv3+