Background and activities



2019-Now. Researcher, NTNU, Norway.
2016-2019. Postdoctoral fellow in SuperSmart-Rack project (244009/E20) and HighEFF-Lab WP3, NTNU, Norway.
2012-2016. PhD Thesis "Contributions to the study of pool boiling and spray evaporation on horizontal tubes", Universidade de Vigo, Spain.
2011-2012. Master of research in Advanced Industrial Technologies and Processes, University of Vigo, Spain.
2010-2011. Final Year Project "Optimization of a crystallization test rig", University of Applied Sciences of Karlsruhe, Germany.
2005-2011. Industrial Engineering specialized in Mechanical Engineering, University of Vigo, Spain.


  • Heat transfer coefficients of single phase and phase change processes.
  • Refrigeration and heat pump technologies.
  • Implementation of natural refrigerants in vapour compression refrigeration systems.
  • Refrigeration systems with CO2 as refrigerant.

Scientific, academic and artistic work

A selection of recent journal publications, artistic productions, books, including book and report excerpts. See all publications in the database


  • Andreasen, Glenn; Stoustrup, Jakob; Izadi-Zamanabadi, Roozbeh; Pardiñas, Ángel Á.; Hafner, Armin. (2019) Data-driven modeling of a CO2 refrigeration system. American Control Conference (ACC). vol. 2019-July.
  • Hafner, Armin; Pardiñas, Ángel Á.. (2019) CO2 refrigeration technology: Possible innovations. Science et technique du froid. vol. 2019-April.
  • Andreasen, Glenn; Stoustrup, Jakob; Pardiñas, Ángel Á.; Hafner, Armin; Izadi-Zamanabadi, R.. (2019) Data-driven modelling of a R744 refrigeration system with parallel compression configuration. 25th IIR International Congress of Refrigeration Proceedings.
  • Banasiak, Krzysztof; Pardiñas, Ángel Á.; Kriezi, Ekaterini E.; Hafner, Armin. (2019) Modelling and development of high-pressure-lift ejector for low temperature evaporators in R744 refrigeration systems for supermarkets. 25th IIR International Congress of Refrigeration Proceedings.
  • Banasiak, Krzysztof; Singh, Simarpreet; Hafner, Armin; Maiya, Prakash; Nekså, Petter; Pardiñas, Ángel Á.. (2019) Experimental investigation of CO2 systems for Indian supermarkets with parallel configuration of multiejectors (INDEE). 25th IIR International Congress of Refrigeration Proceedings.
  • Pardiñas, Ángel Á.; Pilarczyk, Marcin; Agromayor, Roberto; Nord, Lars O.. (2019) Design of an Experimental ORC Expander Setup Using Natural Working Fluids. Proceedings of the 5th International Seminar on ORC Power Systems.
  • Verlaat, B; Petagna, P.; Zwalinski, L; Daguin, J.; Giakoumi, D.; Bhanot, V; Battistin, M; Hafner, Armin; Collot, J; Bondoux, Dominique; Postema, H; Tropea, P; Blust, Stefanie; Hanf, P; Pardiñas, Ángel Á.. (2019) CO2 cooling challenges at CERN for the future phase 2 upgrade program. 25th IIR International Congress of Refrigeration Proceedings.