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Validity of the NTNU Prediction Model for D&B Tunnelling
(Peer reviewed; Journal article, 2023)The Norwegian University of Science and Technology (NTNU) has since the early 1970s published prediction models for estimated production rates, time consumption, and costs for rock works. Since the early development of the ... -
A validity study of the rapid emergency Triage and treatment system for children
(Peer reviewed; Journal article, 2021)Background: The Scandinavian Rapid Emergency Triage and Treatment System-pediatric (RETTS-p) is a reliable triage system that includes both assessment of vital parameters and a systematic approach to history and symptoms. ... -
Valorisation of Napier Grass and Agricultural Residues via Pyrolysis – A Kinetic Study
(Peer reviewed; Journal article, 2022)Thermal pyrolysis of Thai Napier grass, cassava stalk and rice straw were studied thermogravimetrically, which was followed by a kinetic analysis assuming multiple kinetic schemes and a distributed activation energy model ... -
Valorization of aluminum dross with copper via high temperature melting to produce al-cu alloys
(Peer reviewed; Journal article, 2021)The valorization of aluminum dross for Al recovery was performed via its mixing with metallic copper to produce Al-Cu alloys. This approach was with the intention of establishing a new smelting process to treat the dross ... -
Valorization of lignocellulosic waste (Crotalaria juncea ) using alkaline peroxide pretreatment under different process conditions: An optimization study on separation of lignin, cellulose, and hemicellulose
(Peer reviewed; Journal article, 2018)Lignocellulose materials, essentially consisting of lignin, cellulose and hemicelluloses, are abundant sources of fermentable sugars. The bast fiber of Crotalaria juncea (Sunn hemp), a native cover crop of India, was used ... -
Valorization of rapeseed meal: Influence of ethanol antinutrients removal on protein extractability, amino acid composition and fractional profile
(Journal article; Peer reviewed, 2019)The production of rapeseed oil leads to generation of large quantities of rapeseed meal as a by-product. To increase the applicability of the rapeseed meal in feed and food industries, the content of antinutrient compounds ... -
Valorization of SiMn Sludge for Production of Low-Phosphorus Ferroalloys
(Journal article; Peer reviewed, 2021)The sludge generated by wet scrubbing the off-gas from a silicomanganese plant in Norway represents a significant loss in silicon and manganese values. This work seeks to extract these values in the production of ferroalloys ... -
Valuable Puzzles for Proofs-of-Work
(Journal article; Peer reviewed, 2018)Proof-of-work (PoW) is used as the consensus mechanism in most cryptocurrencies. PoW-based puzzles play an important part in the operation and security of a cryptocurrency, but come at a considerable energy cost. One ... -
Valuation of energy performance certificates in the rental market – Professionals vs. nonprofessionals
(Peer reviewed; Journal article, 2020)The implementation of Energy Performance Certificates (EPCs) is expected to reduce energy consumption and carbon emissions by providing actors with information that can be used to make better-informed decisions. This paper ... -
Value and Growth -- Rethinking basic concepts in Lockean liberalism
(Journal article; Peer reviewed, 2017)This article argues that protection of the environment requires reconsidering basic liberal ideas relating to value and growth. It selects a central thinker in the liberal tradition, John Locke, as ... -
Value Chain Integration – A Framework for Assessment
(Chapter, 2020)Despite an abundance of research on the topic, firms continue to struggle with integrating their value chains in order to create and deliver more value to customers. Silo-thinking (rather than systems-thinking) is a typical ... -
Value co-creation and purchase intention in social commerce: The enabling role of word-of-mouth and trust
(Chapter, 2017)Social commerce combines commercial and social activities, and has managed in a very short period of time to attract the interest of researchers and practitioners. In this study we use theories of trust and value co-creation ... -
Value Co-Creation and Trust in Social Commerce: An fsQCA approach
(Chapter, 2017)This study aims to explain how value co-creation, between customers and companies, and key aspects of trust combine to influence customers’ purchase intentions in social commerce. Value co-creation is decomposed into two ... -
Value Comparison of EV and House Batteries at End-user Level under Different Grid Tariffs
(Chapter, 2018)With the introduction of real-time price signals through smart meters, the electric vehicle (EV) battery can become a powerful tool. Its relatively high charging power and capacity makes it attractive for both cost ... -
Value for Whom?
(Chapter, 2018)Designing, building and optimising projects as production systems producing value can be said to be the aim of construction management from an engineering perspective. However, the question is whose value are we optimising ... -
The value of airborne wind energy to the electricity system
(Peer reviewed; Journal article, 2021)Airborne wind energy (AWE) is a new power generation technology that harvests wind energy at high altitudes using tethered wings. The potentially higher energy yield, combined with expected lower costs compared to traditional ... -
The value of coordinated hydropower bidding in the Nordic day‑ahead and balancing market
(Peer reviewed; Journal article, 2020)Modern power markets often consist of a series of sequential markets where power is traded. Market agents must coordinate their trading strategy across all markets. In this paper, we formulate the mult-market bidding problem ... -
Value of green hydrogen when curtailed to provide grid balancing services
(Peer reviewed; Journal article, 2022)This paper evaluates the potential of grid services in France, Italy, Norway and Spain to provide an alternative income for electrolysers producing hydrogen from wind power. Grid services are simulated with each country's ... -
The Value of High-Fidelity Numerical Simulations of Ice-Ship and Ice-Structure Interaction in Arctic Design with Informed Decisionmaking
(Chapter, 2022)Long-term changes in the climate lead to an increase of activities in the Arctic. Ships and structures operating in Arctic waters may encounter sea ice and must be designed to withstand the loads resulting from ice-ship ... -
Value of hydro power flexibility for hydrogen production in constrained transmission grids
(Journal article; Peer reviewed, 2019)The cost of large scale hydrogen production from electrolysis is dominated by the cost of electricity, representing 77–89% of the total costs. The integration of low-cost renewable energy is thus essential to affordable ...