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Investigations of unsteady pressure loading in a Francis turbine during variable-speed operation
(Journal article; Peer reviewed, 2017)Current study was aimed to investigate the unsteady pressure loading in a model Francis turbine under variable-speed configurations. Focus was to investigate the time-dependent characteristic frequencies and the pressure ... -
Investigations on mixture preparation for two phase adiabatic pressure drop of R134a flowing in 5 mm diameter channel
(Journal article; Peer reviewed, 2017)The article presents detailed two-phase adiabatic pressure drops data for refrigerant R134a. Study cases have been set for a mass flux varying from 200 to 400 kg/m2 s, at the saturation temperature of 19.4 ◦C. Obtained ... -
Investigations on Secondary Voltage Control for Long-Term Reactive Power Management
(Chapter, 2023)Voltage and reactive power management is a crucial task for system operators worldwide, and particularly in Norway. While manual operations within regional control cen-ters were once the norm, a major shift is currently ... -
Investigations on the feasibility of the CWE method to verify potential alkali release from aggregates in Norwegian field concrete
(Chapter, 2021)Concrete elements exposed for 26 years to seawater spray and deicing salts along a road close to Sandnessjøen in Norway were investigated. Concrete cores from 4 elements with different binder compositions (A: 100 % Portland ... -
Investigations on the Sustainable Resource Use of Swiss Timber
(Peer reviewed; Journal article, 2021)In Switzerland, the advantages of timber buildings for the climate are broadly discussed. In the following paper, a comparative sustainability assessment of four building alternatives is presented. Especially the contribution ... -
Investing for Impact. Lessons with the Norwegian State Project Model and the first ivvestment projects that have been subjected to external quality assurance
(Concept rapport;36, Book, 2013)The report provides a description of the Norwegian State Project Model, also referred to as the government’s scheme for external quality assurance of major public investment projects (the QA scheme). The scheme was introduced ... -
Investing in Your Alumni: Endowments’ Investment Choices in Private Equity
(Journal article; Peer reviewed, 2023)We investigate the role of alumni ties in university endowments’ decision to invest into private equity funds. Based on a sample of 1,590 commitments made by 189 U.S. endowments into 613 funds during the period of 1995 to ... -
Investment Decisions with Two-Factor Uncertainty
(Peer reviewed; Journal article, 2021)This paper considers investment problems in real options with non-homogeneous two-factor uncertainty. We derive some analytical properties of the resulting optimal stopping problem and present a finite difference algorithm ... -
Investment in electric energy storage under uncertainty: a real options approach
(Journal article; Peer reviewed, 2016)In this paper we develop a real options approach to evaluate the profitability of investing in a battery bank. The approach determines the optimal investment timing under conditions of uncertain future revenues and investment ... -
Investment in mutually exclusive transmission projects under policy uncertainty
(Journal article; Peer reviewed, 2016)In this paper we evaluate mutually exclusive transmission projects under policy and economic uncertainty. The alternatives being considered are transmission investment projects between Norway and Germany, and Norway and ... -
Investment in two alternative projects with multiple switches and the exit option
(Peer reviewed; Journal article, 2023)This paper uses an analytical framework to examine a firm’s investment and switching strategy under uncertainty. The context is the possibility to launch and operate two distinct projects, one at a time, with exposure to ... -
Investment Timing under Uncertain Renewable Energy Policy: An Empirical Study of Small Hydropower Projects
(Journal article; Peer reviewed, 2014-12-15)Policy uncertainty can be a powerful deterrent to immediate investments.} Based on panel data of 214 licenses to construct small run-of-the-river hydropower plants, we examine whether the prospect of a common Swedish-Norwegian ... -
Investments in the EU Power System: A Stress Test Analysis on the Effectiveness of Decarbonisation Policies
(Chapter; Peer reviewed, 2019)Ambitious emission reduction targets are challenging the status quo on designing effective strategies for electricity generation portfolios. In this chapter, we consider the role of low-carbon technologies and determine ... -
Investors’ reaction under uncertainty
(Peer reviewed; Journal article, 2022)This study investigates investors’ reaction to good/bad earnings news when faced with market- and industry-wide uncertainties. Our results provide little support for the discount rate explanation that investors’ reaction ... -
Invisible Data Curation Practices: A Case Study from Facility Management
(Peer reviewed; Journal article, 2021)Facility management, which concerns the administration, operations, and maintenance of buildings, is a sector undergoing significant changes while becoming digitalized and data driven. In facility management sector, companies ... -
Invisible Work Pre- and Post- Digitalisation: The Case of a Health Authority in Norway
(Peer reviewed; Journal article, 2020)In this paper, we argue that, despite the increasing opportunities for transparency and visibility that come with the digitalisation of workplaces, invisible work remains a highly relevant concept, as it represents practices ... -
An Invitation on Characterization of H<inf>2</inf>-Reduced Bauxite Residue and Recovering Iron through Wet Magnetic Separation Processes
(Peer reviewed; Journal article, 2023)Recovering iron from the bauxite residue (BR) is one of the long-standing challenges in the mining industry. However, there is a substantial lack of information in the literature regarding sample properties and iron ... -
(Invited) Novel Fuel Production Based on Sonochemistry and Sonoelectrochemistry
(Journal article; Peer reviewed, 2019)Sonochemistry has been used in many applications where it is employed to improve both catalytic and synthetic processes; whereas, sonoelectrochemistry has been used in various studies including organic syntheses, environmental ... -
Involvement and Multi-Sectoral Collaboration: Applying Principles of Health Promotion during the Implementation of Local Policies and Measures—A Case Study
(Journal article; Peer reviewed, 2021)Five principles for health promotion (HP) stand out in various forms, providing guidance for HP measures and policy implementation: (1) a broad and positive health concept, (2) participation and involvement of key stakeholders, ... -
Involvement in research and development projects among community-working occupational therapists in Norway
(Journal article; Peer reviewed, 2018)A cross-sectional descriptive survey was conducted (n = 561). Almost half of the participants took part in research and development projects. Being involved in research and development was associated with lower age, having ...