Browsing NTNU Open by Author "Larsen, Lars F.S."
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Attaining a higher flexibility degree in CO2 compressor racks
Álvarez Pardiñas, Ángel; Contiero, Luca; Hafner, Armin; Banasiak, Krzysztof; Larsen, Lars F.S. (Chapter, 2020)CO2 compressor racks have shown their suitability for commercial and industrial refrigeration systems at any location and climate. Even if some references state that CO2 units can compete in capital cost with any other ... -
Control structure design for a CO2-refrigeration system with heat recovery
Andreasen, Glenn; Larsen, Lars F.S.; Stoustrup, Jakob; Skogestad, Sigurd (Journal article; Peer reviewed, 2019)In this work, we analyze a generic supercritical CO2-refrigeration system with parallel compression, based on systems used for supermarket use. In order to maximize energy efficiency, this system has a “heat-recovery” ...