Blar i Fakultet for naturvitenskap (NV) på tittel
Viser treff 12367-12386 av 12479
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Welding and Mechanical Testing of Aluminium Alloys for use in Constructions
(Master thesis, 2023)Målet med denne masteroppgaven er å produsere Al-Si-Mg legeringer til bruk i store konstruksjoner, samtidig som styrken ikke skal bli redusert i noen særlig grad som følge av sveising. Metallplater har gått gjennom ulike ... -
Wet Chemical Preparation and Characterisation of Nanocrystalline and BulkYttrium Manganite
(Master thesis, 2009) -
Wet Chemical Synthesis of Graphene for Battery Applications
(Master thesis, 2014)In this thesis, an improved Hummers method is used to produce graphene oxide, while thermal treatment has been used as the reduction process to form reduced graphene oxide. This modified version of Hummers method differs ... -
Wet Chemical Synthesis of Materials for Intermediate Band Solar Cells
(Master thesis, 2011)The economical feasibility of commercial, single-junction solar cells is limited by high costs and limited efficiencies. New solar cell concepts and materials are sought to decrease the production costs and increase the ... -
Wet chemical synthesis of silicon nanoparticles and phosphorescent oxides for white light emitting diodes
(Doktoravhandlinger ved NTNU, 1503-8181; 2014:209, Doctoral thesis, 2014) -
Wet Drilled Cuttings Bed Rheology
(Peer reviewed; Journal article, 2021)The cuttings transport efficiency of various drilling fluids has been studied in several approaches. This is an important aspect, since hole cleaning is often a bottleneck in well construction. The studies so far have ... -
Wet-chemical deposition of silicon quantum dots for enhanced solar cell efficiency
(Master thesis, 2011)Silicon quantum dots were synthesised wet-chemically by three different methods based on reduction of silicon tetrachloride with the reduction agents potassium naphthalide, sodium cyclopentadiene and the alkalide of ... -
Wet-granular rheology to measure cuttings-bed strength
(Journal article; Peer reviewed, 2021) -
Wettability effect on oil recovery using rock-structured microfluidics
(Peer reviewed; Journal article, 2022)Surface wettability has a crucial impact on drop splashing, emulsion dynamics, slip flow for drag reduction, fluid–fluid displacement, and various microfluidic applications. Targeting enhanced oil recovery (EOR) applications, ... -
Wettability of cokes by Fe-Mn melt
(Peer reviewed; Journal article, 2020)Four metallurgical cokes were heat treated at 1250 °C to 1550 °C in argon atmosphere. The influence of heat treatment on the microstructure of metallurgical cokes was characterized using X-ray diffraction and Raman ... -
WETTABILITY OF MOLTEN Fe-Si-B ALLOY ON GRAPHITE, Al2O3, AND h-BN SUBSTRATES
(Chapter, 2019)Fe-26.38Si-9.35B alloy (numbers in mass %) is of interest as a phase change material (PCM) because it exhibits high thermal conductivity, moderate melting point, high latent heat, and low cost. This study offers valuable ... -
Wettability of Silicon with Refractory Materials: A Review
(Research report, 2008)The wettability of ceramics by liquid metals is a key fac¬tor in many fields of high temperature materials science and engineering. The wetting behavior of liquid-silicon/refractory-materials system is especially important ... -
Wettability of Solar GradeSilicon on Silicon Nitride Coated Silica
(Master thesis, 2009) -
Wettable TiB<inf>2</inf> Cathode for Aluminum Electrolysis: A Review
(Peer reviewed; Journal article, 2022)Titanium diboride (TiB2) is considered a promising material for wettable cathodes in aluminum electrolysis. The demand for wettable cathodes is associated with the development of inert anode technologies to eliminate CO2 ... -
Wetting Behavior and Reactivity of Molten Silicon with h-BN Substrate at Ultrahigh Temperatures up to 1750 °C
(Journal article; Peer reviewed, 2017)For a successful implementation of newly proposed silicon-based latent heat thermal energy storage systems, proper ceramic materials that could withstand a contact heating with molten silicon at temperatures much higher ... -
Wetting of Carbon Cathodes by Molten Electrolyte and Aluminium
(Journal article; Peer reviewed, 2021)The extent to which the carbon cathode is wetted by molten electrolyte or molten aluminium metal is important for understanding the cathode wear during aluminium electrolysis. The present paper reports on a laboratory study ... -
Wetting properties and interactions of SiO2-CaO-Al2O3 slags on SiC
(Master thesis, 2022)Fuktingsegenskapene til $SiO_2.CaO-Al_2O_3$ slagg på SiC har blitt undersøkt i en fuktingsovn. Seks sammensetninger av slag ble testen på tre forskjellige SiC materialle. Alle slaggene ble funnet til å reagere med SiC, og ... -
Wetting testing of wettable cathodes for aluminium production
(Master thesis, 2017)The aim of this work has been to assess the wettability of a set of carbon-TiB2 composites towards aluminium. In order to do so, further improvements to the immersion-emersion method, a method used to assess the wetting ... -
What Are the Best Materials To Separate a Xenon/Krypton Mixture?
(Journal article; Peer reviewed, 2015)Accelerating progress in the discovery and deployment of advanced nanoporous materials relies on chemical insight and structure–property relationships for rational design. Because of the complexity of this problem, ... -
What causes the mid-winter cooling?
(Master thesis, 2016)This thesis investigated the influence and conditions of vertical propagation of planetary waves on the mid-winter cooling in the southern hemispheric polar meso- sphere. MERRA zonal wind data was used to extract planetary ...