Browsing NTNU Open by Title
Now showing items 32764-32783 of 100719
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Experimental notched fracture resistance study for the interface of Al–Cu bimetal joints welded by friction stir welding
(Journal article; Peer reviewed, 2018)Strength and load-bearing capacity of dissimilar joints welded by friction stir welding is one of the most interesting subjects for optimizing this recently developed joining technique. Hence, in this article, dissimilar ... -
Experimental Observation of CO2 Dry-ice Behavior in an Evaporator/Sublimator
(Journal article; Peer reviewed, 2017)In the evaporator/sublimator process of CO2 (R744) ultra-low temperature cascade heat pump system, it is known, as a problem, that dry-ice blockage makes the system operation fail. The design of an expanding channel for ... -
Experimental optimization of energy efficient drum dryer with a CO2 heat pump system
(Master thesis, 2013)SummarySince early twentieth century, drum dryer was used to dry clothes, and soon became a glowing industry. A drum dryer is a household appliance that is used to remove moisture from a load of clothing and other textiles, ... -
Experimental pain after sleep restriction and cortical excitability in migraine patients: From cross-sectional studies in the interictal phase to crossover studies on the effect of sleep restriction
(Doctoral theses at NTNU;2024:10, Doctoral thesis, 2024)Migraine is a common and debilitating primary headache disorder. Despite having pronounced personal, societal, and economical costs, the pathophysiology of migraine is not fully elucidated. Migraine patients experience ... -
Experimental pain and migraine: Investigating the effect of non-invasive cortical modulation of pain, and phasic alterations of pain in migraineurs
(Doctoral theses at NTNU;2018:130, Doctoral thesis, 2018)Background: Both clinical symptoms, imaging findings, and neurophysiological measures suggest varying cyclic alterations in CNS-function between, before, during and after the migraine headache. Altered pain perception ... -
Experimental performance comparison of six-pack SiC MOSFET and Si IGBT modules paralleled in a half-bridge configuration for high temperature applications
(Chapter, 2016)—In this paper, the switching performance of asix-pack SiC MOSFET module (CCS050M12CM2) is inves-tigated experimentally using a standard double pulse testmethod. The upper three and the lower three MOSFETsof the ... -
Experimental performance evaluation of two commercially available, 1.2 kV half-bridge SiC MOSFET modules
(Chapter; Peer reviewed, 2016)In this paper, the switching performances of two state-of-the-art half-bridge SiC MOSFET modules are evaluated using a standard double pulse test methodology. The selected modules are commercially available, and have the ... -
Experimental phantom-based evaluation of Physical Layer Security for Future Leadless Cardiac Pacemaker
(Chapter, 2018)Next generation of cardiac pacemakers are expected to be completely wireless bringing along new security threats. Thus, it is critical to secure the pacemaker transmissions between legitimate nodes from a third party or ... -
Experimental Phantom-Based Security Analysis for Next-Generation Leadless Cardiac Pacemakers
(Journal article; Peer reviewed, 2018)With technological advancement, implanted medical devices can treat a wide range of chronic diseases such as cardiac arrhythmia, deafness, diabetes, etc. Cardiac pacemakers are used to maintain normal heart rhythms. The ... -
Experimental Program for the validation of the design of a 150KWth Chemical looping Combustion reactor system with main focus on the reactor flexibility and operability
(Master thesis, 2011)Chemical Looping Combustion is one of the most promising way to limit the CO2 release to the atmosphere among the other technologies for Carbon Capture and Storage (CCS). It constitutes an indirect fuel combustion strategy, ... -
Experimental quantification of the performance of a horizontal multi-pipe bulk separator of water and oil with crude spiking
(Peer reviewed; Journal article, 2023)Subsea water separation with pipe separators is crucial for ensuring efficient and environmentally responsible extraction of oil and gas from the seabed. In this study, in a process called as “crude oil spiking,” two ... -
Experimental reproduction of inhomogeneous fjord waves
(Journal article; Peer reviewed, 2024)Waves in coastal areas and fjords can present inhomogeneities that affect the responses of very large floating structures. However, spatial inhomogeneities of waves are usually not included in model testing. In this paper, ... -
Experimental Research on the Mechanical Properties of Recycled Aggregate Particle Gradation and Addition on Modified Cement Soil
(Peer reviewed; Journal article, 2022)In order to study the effects of recycled aggregate with different particle gradations and different contents on the mechanical properties of cement soil modified by nano-MgO, unconfined compressive strength and scanning ... -
Experimental Results for Set-based Control within theSingularity-robust Multiple Task-priority Inverse KinematicsFramework
(Journal article; Peer reviewed, 2015)Inverse kinematics algorithms are commonly used in robotic systems to achieve desired behavior, and several methods exist to ensure the achievement of numerous tasks simultaneously. The multiple task priority inverse ... -
Experimental results of a multimode monopile offshore wind turbine support structure subjected to steep and breaking irregular waves
(Journal article; Peer reviewed, 2017)We present experimental data from MARIN on a bottom-fixed offshore wind turbine mounted on a monopile in intermediate water depth subjected to severe irregular wave conditions. Two models are analysed: the first model is ... -
Experimental results of Discrete Time Variable Structure Control for Dynamic Positioning of Marine Surface Vessels
(Journal article, 2013)This paper presents a Discrete-Time Variable-Structure Control (DTVSC) for the dynamic positioning system of a marine supply vessel to guarantee robustness with respect to disturbances and parametric variations. The control ... -
Experimental results of transient testing at the amine plant at Technology Centre Mongstad: Open-loop responses and performance of decentralized control structures for load changes
(Journal article; Peer reviewed, 2018)Flexible operation of combined cycle thermal power plants with chemical absorption post combustion CO2 capture is a key aspect for the development of the technology. Several studies have assessed the performance of ... -
Experimental Security Analysis of Connected Pacemakers
(Chapter, 2022)Medical devices and their connectivity capabilities are providing a variety of benefits to the healthcare domain, including remote monitoring, automated alerts, and improved patient outcomes. However, these medical devices ... -
Experimental set-up for determination of the large-strain tensile behaviour of polymers at low temperatures
(Journal article; Peer reviewed, 2016)In this study, we present a method to determine the large-strain tensile behaviour of polymers at low temperatures using a purpose-built temperature chamber made of polycarbonate (PC). This chamber allows for several cameras ... -
Experimental Set-up for partial discharge detection
(Master thesis, 2015)Offshore HVDC overføringssystemer bruker omformerstasjoner mellom AC- og DC-kraftnettet. Likespenning fra omformerstasjonene vil inneholde transienter. Disse ligger i området 1 til 10 \% av den nominelle likespenningen, ...