CFD-simuleringer med plasserte hindringer i utløpet til Brokke kraftstasjon for reduksjon av gassovermetning i Otra

2019

Masteroppgave fornybar energi ENE500 - Universitetet i Agder 2019 If air is drawn into the intake system of a power plant, super saturated gas may develop.Super saturated gas can occur if air is dissolved in water under a pressure higher than theatmospheric pressure. Downstream Brokke power plant measurements of super saturatedgas values up to 176% have been reported. It has been shown that super saturated gasover 110% can lead to fish death, and measures should be considered to reduce the totaldissolved gas in Otra.In this study, various measures for reducing super saturated gas in the outlet of Brokkepower station are investigated by using CFD-simulations in Ansys and modeling in Mat-lab.…