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Physico-chemical characterization and weathering properties of IM-5 Wakashio - Very Low Sulfur Fuel Oil (VLSFO) - OC2021 A-034

This project, to studying the physico-chemical characteristics and weathering properties of IM-5 Wakashio (VLSFO, S <0.50 % m/m), has been funded by Norwegian Coastal Administration (NCA). This is a supplement study to the on-going IMAROS/EU project led by the NCA. The main objective has been to...

Forfattere
Kristin Rist Sørheim
Thor-Arne Pettersen
Marius Johnsen
År
2021
Type
Rapport
Les publikasjonen
Publication

Model-based prediction of vessel response is valuable for planning and execution of marine operations. Response-based operation criteria are expected to give less downtime and cheaper and safer operations than criteria based on wave height and wave period. At least this holds if the response model has sufficient accuracy. The accuracy can in principle be improved by tuning the model using measured inputs and outputs. It is envisioned that an advisory system for planning and execution of marine o

Forfattere
Karl Erik Kaasen
Kjetil Berget
Halvor Lie
Rune Bjørkli
År
2020
Type
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Publication

Microplastic distributions in a domestic wastewater treatment plant: Removal efficiency, seasonal variation and influence of sampling technique

Wastewater treatment plants (WWTPs) serve as an important route of microplastics (MPs) to the environment. Therefore, more effective MPs sampling and detection methodologies, as well as a better understanding of their influence on MPs occurrence and distributions in WWTP effluents, are needed for...

Forfattere
Eric Ben-David
Maryana Habibi
Elias Haddad
Mahdi Hasanin
Dror L. Angel
Andy Booth
Isam Sabbah
År
2021
Type
Vitenskapelig artikkel
Les publikasjonen
Publication

An Experimental Investigation of Nonlinear Wave Generation by Flap Wavemakers

It is well known that flap wavemakers behave in a nonlinear way when either the flap angle or the flap velocity becomes large. Moreover, the hinge depth should be adapted to the period of the generated waves in order to minimize linear evanescent modes, which may contribute to the formation of...

Forfattere
Sébastien Fouques
Sebastien Lafleche
Andreas Holm Akselsen
Thomas Sauder
År
2021
Type
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel