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In this paper, we investigate air–water slug flow in a horizontal pipe using bubble image velocimetry (BIV). We show that a good estimate of the ensemble-averaged velocity field can be obtained by tracking the bubbles using a correlation based method, even for highly aerated flows where traditional...

Climate friendly neighbourhoods such as positive energy districts and zero emission and sustainable plus energy neighbourhoods aim to significantly reduce the environmental impact of urban areas by achieving higher levels of sustainability, energy efficiency and the use of renewable energy. Based on...

To limit energy consumption and peak loads with increased electrification of our society, more information is needed about the energy use in buildings. This article presents a data set that contains 4 years (Jan. 2018- Dec. 2021/Mar. 2022) of hourly measurements of energy and weather data from...

Autism spectrum disorder (ASD) is a neurodevelopmental disorder that affects behavior, communication, learning abilities, and interaction with others. Various artificial intelligence approaches were employed on the collected dataset obtained from a case-control study conducted retrospectively at...

Manganese (Mn) ores fluctuate considerably in chemistry and other properties. It is well known that the properties of Mn ore have a large influence on the technology and yield of Mn alloy production. This work aims to characterize Mn ore and slag properties for the production of ferromanganese (FeMn...

Results from full scale testing of PAH (polycyclic aromatic hydrocarbon) free electrode paste is presented, including development of PAH sampling and analysis methodology for use in quantifying the PAH emissions from the top of the Søderberg electrodes under operation. Results from emission...

Vi trenger en byggenæring som etterspør satsing på forskning fra våre politikere. Og som blir med selv....

Efficient pricing mechanisms that forms appropriate pricing signals are crucial when introducing energy storage to energy communities and local electricity markets. However, the lack of standardised testing makes comparing the performance of existing pricing mechanisms challenging. In this study, we...

Neighborhoods are responsible for considerable amounts of the total energy demand in Europe, and increased shares of variable renewable energy sources will require energy balancing services. Local flexibility resources in neighborhoods can help provide this. However, there is a lack of insight into...