Browsing Institutt for energi og prosessteknikk by Title
Now showing items 419-438 of 4145
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Biomass Charcoal Properties Changes during Storage
(Journal article; Peer reviewed, 2017)In this work, effects of storage time and conditions on the properties of one woody charcoal were studied. Prior to the storage test, the untreated charcoal was characterized by thermogravimetry/mass spectrometry (TG/MS). ... -
Biomass combined heat and power (CHP) for electricity and district heating
(Master thesis, 2014)Growing energy consumption requests development of the new energy sources and the application of new technologies in the energy sector. At the same time, the world is facing maybe the biggest challenge in human history ... -
Biomass gasification : combustion of gas mixtures
(Doktoravhandlinger ved NTNU, 1503-8181; 42, Doctoral thesis, 2002)The work presented in this study is primarily experimental and covers the following two main areas; gasification of biomass and combustion of gas mixtures. The work on biomass gasification includes the design of a laboratory ... -
Biomass gasification integration in recuperative gas turbine cycles and recuperative fuel cell integrated gas turbine cycles: -
(Master thesis, 2007)A multi-reactor, multi-temperature, waste-heat driven biomass thermochemical converter is proposed and simulated in the process simulation tool Aspen Plus . The thermochemical converter is in Aspen Plus integrated with a ... -
Biophysical Effects of Afforestation on Land Surface Temperature in Guangdong Province, Southern China
(Journal article; Peer reviewed, 2022)Developing effective climate mitigation strategies under global warming requires a comprehensive understanding of the biophysical mechanism of how afforestation affects the climate and environment. The planted forests in ... -
Biorefinery of anaerobic digestate in a circular bioeconomy: Opportunities, challenges and perspectives
(Peer reviewed; Journal article, 2022)With the ever-increasing size of anaerobic digesters (AD), the management and disposal of digestate have become a challenging task for AD operators. Anaerobic digestate is rich in nutrients and contaminants; thus, a suitable ... -
Blade Dynamic Response for Downwind Turbines
(Master thesis, 2011)A MATLAB script has been developed to investigate dynamics in the blades of a 10 MW downstream wind turbine, with both a tubular- and a truss tower. The classical Beam element momentum method with additional correction ... -
Blade passage modeling strategy for hydraulic turbine
(Journal article; Peer reviewed, 2017)CFD has played a significant role to investigate the performance and improve the design of hydraulic turbines; however, the improvement of CFD method demands powerful computer resources including time, CPU, memory, and ... -
Blending and characteristics of electrochemical double-layer capacitor device assembled from plasticized proton ion conducting chitosan:dextran:NH4PF6 polymer electrolytes
(Peer reviewed; Journal article, 2020)This research paper investigates the electrochemical performance of chitosan (CS): dextran (DX) polymer-blend electrolytes (PBEs), which have been developed successfully with the incorporation of ammonium hexafluorophosphate ... -
Blind test comparison of the performance and wake flow between two in-line wind turbines exposed to different turbulent inflow conditions
(Journal article; Peer reviewed, 2017)This is a summary of the results of the fourth blind test workshop that was held in Trondheim in October 2015. Herein, computational predictions on the performance of two in-line model wind turbines as well as the mean and ... -
Blind test comparison on the wake behind a yawed wind turbine
(Journal article; Peer reviewed, 2018)This article summarizes the results of the “Blind test 5” workshop, which was held in Visby, Sweden, in May 2017. This study compares the numerical predictions of the wake flow behind a model wind turbine operated in yaw ... -
Boil-off gas handling from liquefied hydrogen storage
(Master thesis, 2020)The main objective of the thesis was to develop concepts for hydrogen boil-off gas reliquefaction. Three different processes were simulated, analyzed, and compared: helium Brayton refrigeration cycle with two helium turbine ... -
Boiling and Condensation Heat Transfer of Zeotropic Mixtures in Smooth Tubes
(Doctoral thesis at NTNU;2016:330, Doctoral thesis, 2016)Boiling and condensation of mixtures are widely encountered in liquefaction of natural gas process, refrigeration systems, and other chemical and power generation industries. Zeotropic mixtures present a temperature glide ... -
Boligventilasjon med nye filterløsninger for kjøkkenavtrekk
(Bachelor thesis, 2023)Det finnes i all hovedsak to tradisjonelle måter å håndtere matos, fuktighet, forurensninger og overskuddsvarme fra matlaging på kjøkken i boliger på. Dette involverer løsninger hvor avtrekket føres ut av kjøkkenet. Disse ... -
The border effects and choices of competitive strategies of the provincial natural gas markets in China
(Peer reviewed; Journal article, 2024)The provincial government competition is regarded as a key variable in China’s market-oriented reform to explore whether natural gas market will be integrated from segmentation. A spatial price equilibrium model with two ... -
Bottom ash as a resource in a circular economy - A case study of metal packaging products for IVAR
(Master thesis, 2019)Today, the residual waste from households is sent to waste-to-energy plants, and one of the bi-products created is incineration bottom ash. This is an inhomogeneous material which undergoes minimal final treatment, and ... -
Bottom-up modelling the residential building stock Developing a new model using BIM and cadastre data
(Master thesis, 2022)Accurate assessment of the built environment stock and its in- and outflows are a key factor to move humanities largest material consuming sector towards a circular economy. Current models do often not take advantage of ... -
Boundary conditions for the lattice Boltzmann method: Mass conserving boundary conditions for moving walls
(Master thesis, 2010)Based on the no-slip boundary condition for walls at rest for the lattice Boltzmann Bathnagar-Gross-Krook method by J.C.G. Verschaeve [Phys. Rev. 80,036703 (2009)], a no-slip boundary condition for walls with a tangential ... -
Bow Shock Clustering in Particle-laden Wetted Cylinder Flow
(Peer reviewed; Journal article, 2020)The inhomogeneous distributions of inertial particles in the unsteady flow around a wetted circular cylinder at Re=100 were investigated in one-way coupled three-dimensional numerical simulations. The Kármán vortex cells ... -
Bruk av Detached Eddy Simulation på en Formula Student Racerbil
(Master thesis, 2019)I dette oppgavearbeidet har de aerodynamiske ytelsesparametrene for en Formula Student racerbil blitt evaluert. Arbeidet fokuserte på beregningsmessig væskedynamikk for å evaluere de aerodynamiske effektene som oppstår når ...