Blar i NTNU Open på tittel
Viser treff 94257-94276 av 103922
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Thermodynamic assessment of the Mo-S system and its application in thermal decomposition of MoS2
(Journal article, 2018)The Mo-S system is crucial to extractive metallurgy, tribology, and various possible applications in design and fabrication of novel two-dimensional (2D) materials. First-principles calculations were utilized to compute ... -
Thermodynamic Behavior and Mass Transfer Kinetics of Boron Between Ferrosilicon and CaO-SiO2 Slag
(Journal article; Peer reviewed, 2017)Equilibrium distribution and transport kinetics of boron between ferrosilicon and calcium silicate slag were investigated through experimental study. A 50 pct CaO-50 pct SiO2 slag (by weight) was held for different durations ... -
Thermodynamic Behaviour and Heat Transfer in Closed Surge Tanks for Hydropower Plants
(Journal article; Peer reviewed, 2015)A numerical model of a hydraulic system with a closed surge tank is developed for evaluating the thermodynamic behavior during slow transients in the air pocket. The numerical model is used to evaluate the polytrophic ... -
Thermodynamic Characterization Of Two Layers Of CO2 On A Graphite Surface
(Journal article; Peer reviewed, 2014)We find by examination of density profiles that carbon dioxide adsorbs on graphite in two distinct layers. We report the activity coefficient, entropy and enthalpy for CO2 in each layer using a convenient computational ... -
Thermodynamic Efficiency of Somatic Exocytosis of Serotonin
(Journal article; Peer reviewed, 2019)Through somatic exocytosis neurons liberate immense amounts of transmitter molecules that modulate the functioning of the nervous system. A stream of action potentials triggers an ATP-dependent transport of transmitter-containing ... -
A Thermodynamic Framework for Stretching Processes in Fiber Materials
(Peer reviewed; Journal article, 2021)Fiber breakage process involves heat exchange with the medium and energy dissipation in the form of heat, sound, and light, among others. A purely mechanical treatment is therefore in general not enough to provide a complete ... -
Thermodynamic Insight in Design of Methanation Reactor with Water Removal Considering Nexus between CO2 Conversion and Irreversibilities
(Journal article; Peer reviewed, 2021)The inevitable nexus between energy use and CO2 emission necessitates the development of sustainable energy systems. The conversion of CO2 to CH4 using green H2 in power-to-gas applications in such energy systems has ... -
Thermodynamic investigation of phase transformation in Sn anode for magnesium batteries
(Journal article; Peer reviewed, 2022) -
Thermodynamic Modeling and Experimental Study of Carbonation of Alkali-Activated Slag Cements
(Peer reviewed; Journal article, 2022)The present study investigates the carbonation of slags activated by NaOH, Na2SiO3, Na2CO3, and Na2SO4. The main hydrates in those activated with NaOH or Na2SiO3 were C-(N-)A-S-H, strätlingite, and MgAl-layered double ... -
Thermodynamic Modeling of a Novel Multi-vane Compressor for Industrial Heat Pumps
(Master thesis, 2022)Abstract will be available on 2025-05-21 -
Thermodynamic modeling of a water injected twin screw compressor used in high temperature heat pump range
(Master thesis, 2020)Det anslås at høytemperaturs varmepumper skal være en vesentlig del av en grønn industrisektor i fremtiden (IEA, 2020). Hovedutfordringen for høytemperaturs varmpepumper er å finne pålitelige og effektive kompressorer som ... -
Thermodynamic Modeling of Wax Precipitation in Crude Oils
(Master thesis, 2023)Voksnedfall er et komplekst fenomen som kan ha betydelig innvirkning på sikringen av oljeproduksjonssystemer. En litteraturgjennomgang ble gjennomført for å utforske ulike termodynamiske modeller, inkludert enkeltstående ... -
Thermodynamic modeling with equations of state: present challenges with established methods
(Journal article; Peer reviewed, 2017)Equations of state (EoS) are essential in the modeling of a wide range of industrial and natural processes. Desired qualities of EoS are accuracy, consistency, computational speed, robustness and predictive ability outside ... -
Thermodynamic modelling of unloaded and loaded N,N-diethylethanolamine solutions
(Peer reviewed; Journal article, 2016)Chemical absorption is a crucial step for several chemical processes such as ammonia production, coal gasification, methane reforming, ethylene oxide manufacturing and treatment of associated gas streams [1]. It is considered ... -
Thermodynamic models for CO2absorption
(Doktoravhandlinger ved NTNU, 1503-8181; 2010:130, Doctoral thesis, 2010)The most mature technology for capturing CO2 in industrial power generation processes is absorption by aqueous alkanolamines. These processes are governed with both phase and chemical equilibrium; the representation of ... -
Thermodynamic models to accurately describe the PVTxy-behavior of water / carbon dioxide mixtures
(Journal article; Peer reviewed, 2017)Carbon dioxide/water (CO2/H2O) mixtures are of much interest in carbon capture and storage, atmospheric science, in the description of human lungs and in the processing of food and beverages. We present a comprehensive ... -
Thermodynamic performance indicators in offshore oil and gas processes
(Master thesis, 2021)With the environmental awareness increasing in recent decades and the imminent prospect of carbon neutrality more attention has been paid to the ways in which the greenhouse gas emissions and the energy demand of industrial ... -
Thermodynamic Performance Investigation of Commercial R744 Booster Refrigeration Plants Based on Advanced Exergy Analysis
(Journal article; Peer reviewed, 2019)After the recent renewed interest in CO2 as the refrigerant (R744) for the food retail industry, many researchers have focused on the performance enhancement of the basic transcritical R744 supermarket refrigeration unit ... -
Thermodynamic Properties of Hydrogen Dissociation Reaction from the Small System Method and Reactive Force Field ReaxFF
(Journal article, 2017)We present thermodynamic properties of the H2 dissociation reaction by means of the Small System Method (SSM) using Reactive Force Field (ReaxFF) simulations. Thermodynamic correction factors, partial molar enthalpies and ... -
Thermodynamic properties of the 3D Lennard-Jones/spline model
(Peer reviewed; Journal article, 2019)In the Lennard-Jones spline (LJ/s) model, the Lennard-Jones (LJ) potential is truncated and splined so that both the pair potential and the force continuously approach zero at rc ≈ 1.74σ. It exhibits the same structural ...