Searched for: subject%3A%22unstable%22
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Fradera Soler, Pau (author)
Pollution in urban environments is increasingly becoming a major concern for our societies which, together with the increasingly powerful capabilities provided by computational fluid dynamics (CFD), has made pollution dispersion a common topic of research during the last two decades. Several factors are relevant to the dispersion of pollutants...
master thesis 2023
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Maljaars, Johan (author), Rózsás, Árpád (author), Walters, C.L. (author), Slot, Henk (author)
The failure assessment line (FAL) describes the interaction between plastic failure and fracture of flawed steel components subjected to tension or bending. This paper quantifies the model uncertainty of the FAL as provided in the internationally used British Standard BS 7910:2019 by comparing the assessment with the actual failure load of 82...
journal article 2022
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Sivanandan, H. (author), Kishore, V. Ratna (author), Goel, Mukesh (author), Asthana, Abhishek (author)
The dispersion of air pollutants emitted from industries has been studied ever since the dawn of industrialisation. The present work focuses on investigating the effect of negative atmospheric temperature gradient and the plume stack orientation of two individual equal-height stacks on the vertical rise and dispersion of the plume. The study...
journal article 2021
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Harms, Tim (author)
Safety occurrences in the aviation industry are nowadays commonly regarded as the outcome of a complex system. Due to this systemic view on safety airlines pursue to understand this complex, underlying system and aim to proactively act upon the occurrence of these events. The most prevalent implementation of flight safety event detection is...
master thesis 2020
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Jin, J. (author), Duan, Yunling (author)
Surrounding rock quality of underground caverns is crucial to structural safety and stability in geological engineering. Classic measures for rock quality investigation are destructive and time consuming, and therefore technology evolution for efficiently evaluating rock quality is significantly required. In this paper, the non-destructive...
journal article 2020
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de Wagter, C. (author), Meulenbeld, Joost (author)
The DelftaCopter is a tilt-body tailsitter unmanned air vehicle which combines a large swashplate controlled helicopter rotor with a biplane delta-wing. Previous research has shown that the large moment of inertia of the wing and fuselage significantly interacts with the dynamics of the rotor. While this rigid rotor cylinder dynamics model...
journal article 2019
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van den Berg, Jelle Jacobus (author)
In this thesis the equilibrium cross-sectional areas of a tidal inlet are investigated. The most common used methods to study cross-sectional stability are the Escoffier method (Escoffier, 1940) and the Modified Escoffier method (Van de Kreeke, 2004). The Escoffier methods are mainly empirical and lack physical justification. Therefore, in this...
master thesis 2018
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Choi, Joshua (author)
When dredging close to underwater sand slopes, steep slopes might form. In dense sand with low permeability this might lead to the so-called breaching process. The creation of a steep underwater slope marks the beginning of a breaching process. <br/>Pore volumes of densely packed sand tend to increase during shear deformations. This effect is...
master thesis 2018
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Baas, Mathieu (author)
Long distance ocean towing is a commonly used transportation method in the oil &amp; gas and renewable energy industries. Barges with cargo, vessels and various offshore structures are towed from and to location. Boskalis participates in this industry through its subsidiaries Smit and Fairmount Marine. From experience with these transports, it...
master thesis 2017
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Bakker, F.C. (author)
This Msc graduation study covers the installation of topsides on a jacket by an offshore heavy lift crane vessel, and its related problems. One of the problems take place after the topside is hoisted on the jacket, during the weight shift from the hoist cable onto the jacket. The topside then exerts large horizontal forces upon the crane and...
master thesis 2015
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Melman, F.C.R. (author)
The Atrato River in Colombia should be navigable for bigger vessels when generating a corridor which should link the Atlantic Ocean with the Pacific Ocean. A likely segment of the river that forms a critical point for navigation is the point of bifurcation where the river is divided in the Montaño and Murindó branch. Both branches should be...
master thesis 2011
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Rosenbrand, D.M. (author)
Endpoint stiffness is known to increase in the direction of instability during learning to accurately execute unstable motor tasks. Reflexes might be present in the time interval used for endpoint stiffness calculations suggesting a possible influence of reflexes on endpoint stiffness measurements. In addition, changes of reflexes during motor...
master thesis 2011
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