Institutt for energi og prosessteknikk
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Study of fire characteristics of forest vegetation in the Atlantic coastal region of Norway
(Journal article; Peer reviewed, 2024)Understanding of wildfire risk requires an understanding of the natural species’ fire dynamics. This study investigates fire characteristics of common wildland species in Norwegian forests - stair-step moss, lingonberry ... -
Solar Thermal Energy: 3D Compound Parabolic Concentrator with Heat Storage: Design, Construction and Testing of a 3D Compound Parabolic Concentrator with Heat Storage
(Doctoral theses at NTNU;2025:33, Doctoral thesis, 2025)The key objective of this thesis is the design, construction and testing of a 3D Compound Parabolic Concentrator (CPC) with heat storage. The 3D CPC with a reflecting surface may be difficult to construct, therefore, the ... -
Optimal control of a bio-based phase change material thermal energy storage for demand response
(Peer reviewed; Journal article, 2025)In this study, the design and development of an optimal control strategy for the operation of an innovative bio-wax phase change material based pillow plate thermal energy storage unit delivering space heating to a ... -
Reducing material use and their greenhouse gas emissions in Greater Oslo
(Journal article; Peer reviewed, 2025)Resource efficiency strategies are key to reduce material use and help limit global warming to below 2°C in 2100. Understanding the role of such strategies at the municipal level requires a localized approach. Here we ... -
Effects of Fish Protein Hydrolysate on the Nutritional, Rheological, Sensorial, and Textural Characteristics of Bread
(Journal article; Peer reviewed, 2024)The potential enhancement of the protein content in bakery products is studied by adding fish protein hydrolysate (FPH) flour in varying proportions (1.5%, 3%, 4.5%, and 6%) within the production recipe. The mixtures of ... -
Mulighet for energieffektivisering og bærekraftig drift av bygningsinstallasjoner gjennom kost-effektive tiltak
(Master thesis, 2024)Denne masteroppgaven undersøker muligheten for energieffektivisering av Tapirbygget på NTNU Gløshaugen ved å etablere en simuleringsmodell som representerer byggets realistiske bruk, drift og energiforbruk. Målet er å teste ... -
Mulighet for energieffektivisering og bærekraftig drift av bygningsinstallasjoner gjennom kost-effektive tiltak
(Master thesis, 2024)Denne masteroppgaven undersøker muligheten for energieffektivisering av Tapirbygget på NTNU Gløshaugen ved å etablere en simuleringsmodell som representerer byggets realistiske bruk, drift og energiforbruk. Målet er å teste ... -
Study on various hot-gas defrosting configurations for CO2-NH3 cascade deep freezer
(Journal article; Peer reviewed, 2024)Four hot-gas bypass defrosting configurations for CO2-NH3 cascade blast freezer for application in fish processing firm are numerically investigated. Due to the high moisture content of fish, defrosting is necessary after ... -
Comparative Life Cycle Assessment of Diesel-Electric and Battery-Electric Passenger Catamaran Utilizing Battery Swapping Technology
(Master thesis, 2024)Ettersom sjøtransporten fortsetter å utvide seg, øker også utslippene av klimagasser (GHG) fra denne sektoren. Det må derfor iverksettes tiltak for å redusere klimagassutslipp innen maritime operasjoner. Kysttransport er ... -
Optimizing ventilation systems considering operational and embodied emissions with life cycle based method
(Journal article; Peer reviewed, 2024) -
Approaching building lifetimes and hazard rates through demolition patterns: Case studies for a historical city center
(Journal article; Peer reviewed, 2024)Despite their relevance in building stock modeling, building lifetimes are poorly understood and tend to form the weakest link in forecasting energy use, greenhouse gas (GHG) emissions, waste generation, and resource use. ... -
Development of a collision impact indicator to integrate in the life cycle assessment of offshore wind farms
(Peer reviewed; Journal article, 2024)Purpose: Life cycle assessment (LCA) is a robust approach to estimate the environmental impacts of an offshore wind farm (OWF). However, methodological hurdles remain, particularly the lack of appropriate indicators to ... -
Disentangling the effects of climate variability and herbivory on spatial and temporal changes in northern vegetation greening
(Journal article; Peer reviewed, 2024)Understanding ongoing vegetation dynamics is essential to disentangle ecosystem response to climate variability and identify threats and management opportunities. The basic distribution of vegetation cover and activity is ... -
Chemical recycling of plastic waste via production of ethylene from gasification syngas
(Journal article; Peer reviewed, 2024)We investigated the plastic waste to ethylene (PtE) process through steam-oxygen gasification, methanation, and oxidative coupling of methane. Gasification was modeled using a stochastic reactor model, while the downstream ... -
Performance study of solar air collector-air source heat pump system inside the greenhouse
(Journal article; Peer reviewed, 2024)During the process of heating greenhouses, the phenomenon of inadequate heating installations is widespread. To address this issue, this paper proposed a solar air collector-air source heat pump (SAC-ASHP) system for ... -
Simultaneous Optimization of Work and Heat Exchange Networks
(Journal article; Peer reviewed, 2024)This paper introduces a simultaneous optimization approach to synthesizing work and heat exchange networks (WHENs). The proposed work and heat integration (WHI) superstructure enables different thermodynamic paths of ... -
Microbial risk assessment of wastewater in Sisimiut, Greenland: Health risks and mitigation options
(Master thesis, 2024)Spildevand indeholder mange sygdomsfremkaldende mikroorganismer, som ved udledning i havmiljøet kan have en negativ indvirkning på de arktiske økosystemer og den lokale befolkning, der er afhængige af havets ressourcer til ... -
Aerodynamic and Structural Analysis of Wind Turbine Blade: Mitigation Extreme Wind Loads and Applying Single-Blade Design Concept for Structural Integrity Enhanced Performance and Cost Efficiency
(Doctoral theses at NTNU;2024:491, Doctoral thesis, 2024)This thesis aims to enhance the performance, structural integrity, and cost-efficiency of wind turbine blades through comprehensive aerodynamic and structural analysis, focusing on four key areas: First, the study ... -
Pilot-Scale Aluminothermic Production of Silicon Alloy and Alumina-Rich Slag
(Journal article; Peer reviewed, 2024)As global demand for silicon (Si) and alumina continues to surge, the significance of developing more sustainable production methods has intensified. The SisAl process represents a path-breaking approach to producing Si ... -
Effect of Atmospheric Stability on Meandering and Wake Characteristics in Wind Turbine Fluid Dynamics
(Peer reviewed; Journal article, 2024)This study investigates the impact of atmospheric stability on wind turbine flow dynamics, focusing on wake deflection and meandering. Using the high-fidelity large-eddy simulation coupled with the Actuator Line model, we ...
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