Sigrid Ausnmo joined PoreLab on January 6th, 2025, as PhD candidate. Sigrid holds a master’s degree in Physics and Mathematics from NTNU, with a specialization in physics, more particularly in quantum solid state physics. Her master thesis was on quantum effects in superconducting multilayer structures.
She joined SINTEF Energy Research in September 2023 and took a 3-year leave to work on her PhD.
Her PhD project is financed by the SafeAm project. Her supervisor is Professor Øivind Wilhelmsen.
Sigrid presents her PhD topic as follow:
My PhD project is aimed at deepening our understanding and improving our ability to model the thermodynamics relevant for offshore ammonia leakage scenarios and is a part of the SafeAm project https://www.sintef.no/en/projects/2023/safeam__increased_safety_of_ammonia_handling_for_maritime_operations/.
Ammonia will partially dissolve in water and introduce electrolytes in the system. Since ions have a net charge the interactions between ions are long ranged and drastically complicates the system and thermodynamic properties. My work will therefore be focused on electrolyte systems, investigating activity coefficients models such as the eNRTL model as well as investigating the liquid-vapor interfaces of such systems.