Searched for: subject:"Transfers"
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Hendrix, Emile (author)
Ventilation events are the result of masses of air being transported from the water surface along the hull, through the propeller plane. Previous research in literature has shown that ventilation induces large and sudden variations of the load on the propeller. The response of the propulsion system had not been documented before. This is a...
master thesis 2020
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Westhoek, Youri (author)
Implantable medical devices (IMDs) such as cardiac pacemakers, cochlear implants, and neurostimulators improve millions of people’s lives every day. Over the years, IMDs have significantly improved in function, increased in lifetime, and decreased in size. However, further miniaturisation is limited by the batteries used to power these devices,...
master thesis 2020
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Berendsen, Joost (author)
Gas-to-gas membrane humidifiers are the preferred option for humidification in automotive fuel cell systems, because they are compact, induce low parasitic losses and require no moving parts or control mechanisms. Understanding the performance of the humidifier as a function of its operating conditions is crucial for the efficiency of the fuel...
master thesis 2020
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Pascarella, Alex (author)
In this research project, the design of a smallsat mission to a Halo orbit around the Earth-Moon second libration point (EML-2) using a rideshare launch opportunity to an inclined geosynchronous transfer orbit (GTO) was investigated. <br/>The design leverages classical results from Dynamical Systems Theory (DST) to determine low-energy transfers...
master thesis 2020
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Draškić, Marko (author)
Large quantities of heat stored in geothermal aquifers can be of interest to satisfy above-ground heating demands. With the use of heatpipes, placed into the aquifers, heat may be passively extracted. Vertical two-phase thermosiphons are considered in this study. As a result of a local increase in the saturation temperature in liquid pools, heat...
master thesis 2020
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Salam, Muhammad Rasyid (author)
The work presented in this report investigates the effect of replacing natural gas fuel in a radiant tube burner in an industrial furnace with hydrogen fuel. The flue gas is fully contained inside the radiant tube burner and does not come into contact with the iron products inside the furnace. The burner interacts with the process side of the...
master thesis 2020
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Lammers, Anneli (author)
Van Oord is active in the subsea cable installation industry and executes most of their cable lay projects with their cable laying vessel: The Nexus. In this thesis the focus lies on the normal lay phase of the cable installation, which comprises the phase when the vessel is pulling out the cable and putting it down on the seabed following the...
master thesis 2020
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Koehler, S.T. (author)
The heat fluxes in (liquid) rocket engines can go up to high values and they need active cooling to prevent the chamber wall from failing. Transpiration cooling is identified as a way to achieve lower wall temperatures than commonly used regenerative cooling and regenerative cooling with additional film cooling (referred to as film cooling from...
master thesis 2020
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Verbeek, F.P.M. (author)
The production of steel is an energy intensive process, using 20GJ/tonne of steel. The energy use needs to be declined by 10% in 2030 in order to be on track of the Sustainable Development Scenario(SDS). About 1GJ/tonne is required today by the annealing process, a heat treatment in which the steel strip is heated to a temperature of about 600...
master thesis 2020
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Datta, Leonid (author)
Training Convolutional Neural Network (CNN) models is difficult when there is a lack of labeled training data and no unlabeled data is available. A popular method for this is domain adaptation where the weights of a pre-trained CNN model are transferred to the problem setup. The model is pre-trained on the same task but in a different domain...
master thesis 2020
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Yin, Z. (author)
Parkinson's disease (PD) diagnosis is based on clinical criteria, i.e. bradykinesia, rest tremor, rigidity, etc. Assessment of the severity of PD symptoms, however, is subject to inter-rater variability. In this paper, we propose a deep learning based automatic PD diagnosis method using videos recorded during the assessment with the Movement...
master thesis 2020
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Suvarna, P.B. (author)
Convective heat transfer finds applications in several domains of industry like heat exchangers, gas turbine blades, IC engine surfaces etc. The surfaces of these heat transfer applications are either naturally rough owing to manufacturing techniques or become rough over a period of time during operation. These rough surfaces usually contain...
master thesis 2020
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Li, Z. (author)
HVAC cable is normally installed in a PE (Polyethylene) pipe underground. The pipe is placed in the underground path formed by horizontal directional drilling (HDD). During power transmission, the generated heat from the cable is dissipated by natural convection of water in the gap between cable and pipe. In this project, the first part focuses...
master thesis 2020
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Riekerk, Calvin (author)
Wireless power transfer (WPT) is becoming a popular choice for charging of batteries in various applications. Particularly, the increase in popularity of electrical vehicles (EVs) and the pursuit of user convenience for charging the batteries makes WPT an attractive solution. The usage of WPT in e-transportation is not straightforward because...
master thesis 2020
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van Lil, Wouter (author)
Using transfer learning, convolutional neural networks for different purposes can have similar layers which can be reused by caching them, reducing their load time. Four ways of loading and executing these layers, bulk, linear, DeepEye and partial loading, were analysed under different memory constraints and different amounts of similar networks...
bachelor thesis 2020
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Gómez Pérez, Pablo (author)
In this thesis, a new method to approximate the cost function of Low-Thrust, Multiple-Gravity-Assist interplanetary trajectories using a Machine Learning surrogate is proposed. This method speeds up the optimization process without fine tuning of the surrogate parameters for every individual case. The computational cost of obtaining training...
master thesis 2020
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Tinwala, Sakina (author)
Flat plate heat exchangers are widely used in industrial and domestic applications. Industrial plate type heat exchangers generally operate in the turbulent flow regime. Although, increase in flow speeds leads to higher transport of heat, it also causes a rise in the pressure loss which is undesirable. Therefore, to combat the problem of high...
master thesis 2020
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Donders, Tim (author)
Welding is an extensively used technology by different industries such as aerospace, automotive and marine industry. Welding involves the temporal melting of materials in order to join them together. The quality of the weld is known to depend on the fluid flow and heat transfer in the material. A way to influence the heat transfer and fluid flow...
bachelor thesis 2020
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Skrekas, Vassilis (author)
The field of active implantable medical devices (IMDs) has made huge steps forward in the last years. IMDs are used today for the treatment of previously untreatable conditions as well as the continuous monitoring of the health of patients. The field, where active IMDs have been the most successful, is the field of neurological conditions, on...
master thesis 2020
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Zufiria Gerbolés, Pedro (author)
Neurostimulation is a common medical treatment modality used to treat neurological disorders. It applies electrical pulses to revert and prevent undesired neural behavior or to create desired neural behavior. The required specificity of said stimulation treatments is oftentimes achieved by implanting the neurostimulator close to the target area....
master thesis 2020
Searched for: subject:"Transfers"
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