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High temperature industrial heat pumps utilising natural working fluids
(Chapter, 2019)There is a large demand for heat typically in the temperature range 100-200⁰C in different industries. This is today often covered by fossil fuel burning or direct use of electricity. Heat pumps has to a lesser extent been ... -
High-Capacity PEM Fuel Cells and Electrolysers in Hybrid Energy System for Offshore Power Generation
(Master thesis, 2020)For a redusere klimagassutslippene fra petroleumssektoren, er det en etterspørsel etter å tilgjengeliggjøre fornybar kraft offshore. I denne konteksten, har et Hybrid energisystem for stabil forsyning av kraft og varme til ... -
High-Fidelity Strain and Temperature Measurements of Li-Ion Batteries Using Polymer Optical Fiber Sensors
(Peer reviewed; Journal article, 2022)The convergence of fiber optic sensing with lithium-ion batteries holds great promise for observing key cell parameters in real time, which is essential to every level of decision making, from design and engineering to ... -
High-frequency pressure measurements in the refining zone of a high-consistency refiner
(Dr. ingeniøravhandling, 0809-103X; 2003:50, Doctoral thesis, 2003)This thesis is based on an experimental study of the pressure conditions in the refining zone of high-consistency refiners used in paper making. The work presents the findings from two different mill-scale experiments in ... -
High-order ghost-point immersed boundary method for viscous compressible flows based on summation-by-parts operators
(Journal article; Peer reviewed, 2019)A high‐order immersed boundary method is devised for the compressible Navier‐Stokes equations by employing high‐order summation‐by‐parts difference operators. The immersed boundaries are treated as sharp interfaces by ... -
High-order overset grid method for detecting particle impaction on a cylinder in a cross flow
(Journal article; Peer reviewed, 2019)An overset grid method was developed to investigate the interaction between a particle-laden flow and a circular cylinder. The method is implemented in the Pencil Code, a high-order finite-difference code for compressible ... -
High-pressure natural gas liquefaction and adsorption pretreatment : theoretical work and experimental field study
(Dr. ingeniøravhandling, 0809-103X; 2001:91, Doctoral thesis, 2001)The objective of this work has been to study offshore natural gas liquefaction processes with emphasis on utilization of the high reservoir pressure. A natural gas liquefaction process specially developed for offshore ... -
High-Rise Timber Buildings as a Climate Change Mitigation Measure - A Comparative LCA of Structural System Alternatives
(Journal article; Peer reviewed, 2016)This paper reports on a study examining the potential of reducing greenhouse gas (GHG) emissions from the building sector by substituting multi-storey steel and concrete building structures with timber structures. Life ... -
High-temperature pyrolysis modeling of a thermally thick biomass particle based on an MD-derived tar cracking model
(Peer reviewed; Journal article, 2021)Biomass pyrolysis in the thermally thick regime is an important thermochemical phenomenon encountered in many different types of reactors. In this paper, a particle-resolved algorithm for thermally thick biomass particle ... -
High-throughput experiments for direct liquefaction of biomass in hydrothermal media
(Master thesis, 2013)This project will experimentally assess the use of hydrothermal media for direct liquefaction of biomass for the obtainment of biofuels, using a high throughput experiment technique with different heating methods in quartz ... -
Higher Order Method for Flow Simulations in Complex Geometries
(Master thesis, 2023)The increasing capabilities of higher order methods used in computational fluid dynamics enables the analysis of previously little understood phenomena. One such case is the intricate flow mechanism causing obstructive ... -
Highly active porous Co–B nanoalloy synthesized on liquid-gas interface for hydrolysis of sodium borohydride
(Journal article; Peer reviewed, 2018)Porous Co–B nanoalloy is a low-cost and highly active catalyst towards the hydrolysis of sodium borohydride (NaBH4). In this study, a facile and room-temperature hydrogen bubble-assisted method was developed to prepare ... -
A highly efficient water electrolyser cell assembled by asymmetric array electrodes based on Co, Fe-doped Ni(OH)2 nanosheets
(Peer reviewed; Journal article, 2020)Hydrogen is an “ideal” clean sustainable energy source if it is produced via water electrolyser using power generated by renewable energy systems (RES) such as solar panels and wind turbines. In this study, cobalt (Co) and ... -
A highly innovative yet cost-effective multi-generation energy system for net-zero energy buildings
(Peer reviewed; Journal article, 2021)This study introduced an innovative yet feasible and cost-effective solution to make a big step forward in the state-of-art of smart energy buildings and obtain a real meaning of net-zero energy building. In this study, ... -
Historical Penetration Patterns of Automobile Electronic Control Systems and Implications for Critical Raw Materials Recycling
(Journal article; Peer reviewed, 2019)Car electronics form a large but poorly utilized source for secondary critical raw materials (CRMs). To capitalize on this potential, it is necessary to understand the mechanism in which car electronics enter and exit the ... -
HLLC-type methods for compressible two-phase flow in ducts with discontinuous area changes
(Peer reviewed; Journal article, 2021)In this work, the Harten-Lax-van Leer Contact (HLLC) approximate Riemann solver is extended to two-phase flow through ducts with discontinuous cross-sections. Two main strategies are explored regarding the treatment of the ... -
Holistic economic and environmental optimization of future energy systems
(Master thesis, 2023)The energy transition requires secure, affordable, and sustainable solutions to mitigate climate change and other ecological damages. However, energy supply involves complex and diverse resource-intensive sectors in the ... -
Holistic methodology to reduce energy use and improve indoor air quality for demand-controlled ventilation
(Peer reviewed; Journal article, 2022)Ventilation control logics are usually based on the control indicators of occupancy. However, strategies including control of contaminants not linked to occupancy are requested and more feasible with the introduction in ... -
Holistic Processing of Sawdust to Enable Sustainable Hybrid Li-Ion Capacitors
(Peer reviewed; Journal article, 2024)Activated carbon has long been recognized as a promising electrode material for energy storage devices. The extraordinarily high specific area makes it challenging to replace in supercapacitors since electrical double-layer ... -
Hollow core-shell structured Cu2O@Cu1.8S spheres as novel electrode for enzyme free glucose sensing
(Journal article; Peer reviewed, 2019)This study reports a novel hollow Cu2O@Cu1.8S material used as a catalyst for enzyme free glucose detection. Cu2O@Cu1.8S is successfully synthesized by a facile in-situ growth method. The obtained Cu2O@Cu1.8S exhibits a ...