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Description of atmospheric freeze-drying of brown seaweeds (Saccherina Latissima) with respect to thermal properties and phase transition

Thermal properties of brown seaweeds (Saccharina latissima) were determined using DSC technique in the temperature range between -150.0 and 50.0 °C. The following phase transitions were detected: glass transitions, incipient point of ice melting and freezing point. The ice content and amount of...

Authors
Ignat Tolstorebrov
Trygve Magne Eikevik
Inna Petrova
Michael Bantle
Year
2018
Type
Academic chapter/article/Conference paper
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Publication

Experimental analysis of the R744 vapour compression rack equipped with the multi-ejector expansion work recovery module

A test facility for experimental investigation of the R744 vapour compression rack equipped with the multi-ejector expansion work recovery module was designed and manufactured. Comparison of the R744 multi-ejector refrigeration system with the R744 parallel compression system on the same test...

Authors
Michal Haida
Krzysztof Banasiak
Jacek Smolka
Armin Hafner
Kenneth B. Madsen
Year
2016
Type
Academic chapter/article/Conference paper
Publication

HyPeak: A science-policy network to promote sustainable hydropeaking

Authors
Markus Noack
Maria Alp
Ramon J. Batalla
Nico Bätz
Maria Dolores Bajarano
Isabel Boavida
Maria Cristina Bruno
Herve Capra
Mauro Carolli
Roser Casas-Mulet
Gabriele Chiogna
Maria Joao Costa
Marie-Pierre Gosselin
Jo Halvard Halleraker
Christoph Hauer
Daniel Hayes
Atle Harby
Matthias Schneider
Diego Tonolla
Davide Vanzo
Terese E. Venus
Damia Vericat
Guido Zolezzi
Year
2023
Type
Poster
Publication

A Comparison of Single- and Multi-parameter Wave Criteria for Accessing Wind Turbines in Strategic Maintenance and Logistics Models for Offshore Wind Farms

Different vessel types for transferring technicians for maintenance and inspection of offshore wind farms are often evaluated and compared by their limiting significant wave height for accessing the wind turbines. The limiting significant wave height is also the parameter that is often used as the...

Authors
Iver Bakken Sperstad
Elin Espeland Halvorsen-Weare
Matthias Hofmann
Lars Magne Nonås
Magnus Stålhane
Ming Kang Wu
Year
2014
Type
Academic article
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Publication

Accounting for component condition and preventive retirement in power system reliability analyses

Deteriorated power system components have a higher probability of failure than new components. Still, reliability of supply analyses traditionally model all components of the same type with the same probability of failure, and thus neglects the effect of deteriorated components. This paper presents...

Authors
Håkon Toftaker
Jørn Foros
Iver Bakken Sperstad
Year
2023
Type
Academic article
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Passivity-Based Nonlinear Control for DC/DC Boost Converter in Wireless Power Transfer Systems with Constant Power Load

This paper presents a passivity-based nonlinear control (PBNC) method by considering Euler Lagrange (EL) model for duty ratio control of DC/DC converter in secondary side of inductive power transfer (IPT) systems. In this regard, an IPT system feeding a constant power load (CPL) is considered. Then...

Authors
Zeinab Karami Hassan Abadi
Giuseppe Guidi
Jon Are Wold Suul
Year
2023
Type
Academic chapter/article/Conference paper