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Operando studies of Mn oxide based electrocatalysts for the oxygen evolution reaction
(Peer reviewed; Journal article, 2023)Inspired by photosystem II (PS II), Mn oxide based electrocatalysts have been repeatedly investigated as catalysts for the electrochemical oxygen evolution reaction (OER), the anodic reaction in water electrolysis. However, ... -
Operating a Battery in a Hydropower-Dominated System to Balance Net Load Deviations
(Chapter, 2019)Decreasing costs of battery storage technologies make them a viable option for providing flexibility in power systems. In this paper, we study the operations of a battery in combination with cascaded hydropower in a system ... -
Operating cost reduction of DC microgrids under real-time pricing using adaptive differential evolution algorithm
(Peer reviewed; Journal article, 2020)Virtual resistance-based droop control is widely adopted as secondary-layer control for grid-connected converters in DC microgrids. This paper presents an alternative usage of the virtual resistances to minimize the total ... -
Operating Hardware Impact on the Heat Transfer Properties of Windows
(Peer reviewed; Journal article, 2021)Despite significant advancements in fenestration technology in the last two decades, the thermal transmittance of fenestration products is still significantly higher than that of walls. This corresponds to 60% of the total ... -
Operating Room of the Future (FOR) Digital Healthcare Transformation in the Age of Artificial Intelligence
(Chapter, 2022)New technologies are emerging under the umbrella of digital transformation in healthcare such as artificial intelligence (AI) and medical analytics to provide insights beyond the abilities of human experts. Because AI is ... -
Operating room ventilation and the risk of revision due to infection after total hip arthroplasty: assessment of validated data in the Norwegian Arthroplasty Register
(Peer reviewed; Journal article, 2020)Background The air in the operating room is considered a risk factor for surgical site infection (SSI) due to airborne bacteria shed from the surgical staff or from patients themselves. Aim To assess the influence of ... -
Operating room ventilation-Validation of reported data on 108 067 primary total hip arthroplasties in the Norwegian Arthroplasty Register
(Peer reviewed; Journal article, 2019)Rationale, aims, and objectives: The true effect of laminar airflow (LAF) systems on postoperative infection is disputed, partly due to uncertainty regarding the validity of ventilation data in register studies. The aim ... -
Operation and Control of hybrid AC/DC transmission grids
(Chapter, 2019)This paper describes challenges and possibilities related to operation and control of hybrid AC/DC power transmission grids. The aim is to discuss topics that transmission system operators and regulators must assess in ... -
Operation and Maintenance Modelling
(Chapter, 2018)Operational expenditure (OPEX) is one of the major contributors to the levelized cost of energy (LCoE) for offshore wind farms. To assess different solutions and select the best ones, good models for maintenance and logistics ... -
Operation of a mudular multilevel converter controlled as a Virtual synchronous machine
(Chapter, 2018)Modular multilevel converters (MMC) have been a research focus in high-voltage power conversion, covering modulation techniques, capacitor voltage balancing and circulating current control. In this paper, a control method ... -
Operation of Norwegian Hydropower Plants and Its Effect on Block Fall Events in Unlined Pressure Tunnels and Shafts
(Peer reviewed; Journal article, 2021)The main objective of this study is to investigate the effect of hydropower plant operation on the long-term stability of unlined pressure tunnels of hydropower plants in Norway. The authors analyzed the past production ... -
Operation platform design for modular adaptable ships: Towards the configure-to-order strategy
(Journal article; Peer reviewed, 2018)Modular adaptable ships have received growing attention in recent decades as a promising approach to handling uncertainty in future operating contexts. A modular adaptable ship can be used for multiple purposes by changing ... -
Operation strategies to achieve low supply and return temperature in district heating system
(Journal article; Peer reviewed, 2019)English -
Operation-based Reliability Assessment of Shore-to-Ship Charging Systems Including On-Shore Batteries
(Journal article; Peer reviewed, 2023)In this paper, an operation-based reliability assessment framework is proposed for Shore-to-Ship Charging (S2SC) systems including On-Shore Batteries (OSB). The OSB is considered to support the grid under fast charging ... -
Operation-oriented reliability and availability evaluation for onboard high-speed train control system with dynamic Bayesian network
(Journal article; Peer reviewed, 2018)The reliability and availability of the onboard high-speed train control system are important to guarantee operational efficiency and railway safety. Failures occurring in the onboard system may result in serious accidents. ... -
Operational analysis: A method for observing and analyzing digital media operations
(Peer reviewed; Journal article, 2021)Interventional digital media applications such as robotic surgery, remote-controlled vehicles or wearable tracking devices pose a challenge to media research methodologically as well as conceptually. How do we go about ... -
An Operational Approach to Maritime Cyber Resilience
(Peer reviewed; Journal article, 2021)ABSTRACT: As a result of the last decades development of technology and increased connectivity of maritime vessels, the need for maritime cyber security is undoubtedly present. In 2017, IMO officially recognized “… the ... -
Operational data-driven prediction for failure rates of equipment in safety instrumented systems: A case study from the oil and gas industry
(Journal article; Peer reviewed, 2019)Safety instrumented systems are frequently deployed to reduce the risk associated with industrial activities, such as those in the oil and gas industry. A key requirement for safety-instrumented systems in standards like ... -
Operational integration in a craft-oriented small enterprise
(Journal article, 2017)Purpose Many leisure boat manufacturers have thrived on designing and building highly customized boats based on longstanding traditions of craftsmanship. To achieve efficient value chains, it is not enough to optimize ...