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Per Egil Gullsvåg

Senior Research Engineer

Per Egil Gullsvåg

Senior Research Engineer

Per Egil Gullsvåg
Phone: 930 11 337
Mobile: 930 11 337
Department: Thermal Energy
Office: Trondheim

publications and responsibilities

Publications

Publication

Chilling of salmon in refrigerated sea water

http://www.sintef.no/en/publications/publication/?pubid=CRIStin+1288885

The optimization of the refrigeration process was based on existing systems for chilling of Atlantic Salmon in refrigerated sea water (RSW). Two methods (continuous and interrupted) chilling of salmon in RSW were investigated. Significant increasing of brine flow for fish chilling from 150 to 600 L ...

Authors Bantle Michael Stavset Ole Nordtvedt Tom Ståle Gullsvåg Per Egil Eikevik Trygve Magne Tolstorebrov Ignat
Year 2015
Type Conference paper/Book chapter
Publication

Heat pump drying : simulation and evaluation of drying system for clipfish with main and storage drying

http://www.sintef.no/en/publications/publication/?pubid=CRIStin+1162404

A process simulation of industrial heat pump drying of clipfish is performed and the energy consumption for different systems is compared. The components of the heat pump (evaporator, compressor, 2 condensers, expansion valve and controller) were dimensioned for a 250 kW (thermal) system and a dryin...

Year 2014
Type Conference paper/Book chapter
Publication

Case study on intermediate storage and mechanical stress treatment during dyring of clipfish

http://www.sintef.no/en/publications/publication/?pubid=CRIStin+1042647

Intermediate storage and mechanical stress treatment (bending) during clipfish drying is investigated for this industrial case study. A drying time reduction of 17.5% or 1.5 days can be achieved when the product is stored prior to the drying process in a climate chamber. A similar drying time reduct...

Year 2013
Type Conference paper/Book chapter
Publication

Factors influencing the drying process of salted fish (Cod - Gadus Macrocephalus and saithe - Pollachius Virens). Part B

http://www.sintef.no/en/publications/publication/?pubid=SINTEF+S19835

Industrial drying of salted fish is an energy consuming process, and mainly done by heat pump drying tunnels. Drying of salted fish takes 3-5 days depending on the facilities and drying parameters. This study defines how the water removal rate of salted fish is influenced by changing air parameters,...

Year 2011
Type Conference paper/Book chapter
Publication

Quality changes in whole gutted salmon during storage at ultra low temperature storage (superfreezing)

http://www.sintef.no/en/publications/publication/?pubid=SINTEF+S20305

The objective of this study was to investigate the impact of ultralow freezing temperatures (superfreezing) and long time storage on product quality of gutted whole salmon compared with normal freezing temperature at -25°C. Superfreezing increases the quality and shelf life of sertain food products ...

Year 2011
Type Conference paper/Book chapter