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Bos, M. (author)In dit afstudeerproject wordt met behulp van een fysisch model onderzoek gedaan naar de uitwisselingsprocessen die bij hoogwater optreden tussen uiterwaard en hoofdgeul van een rivier. Dit afstudeerproject geeft daarmee een vervolg aan het door Van Prooijen [19] opgezette onderzoek naar grootschalige horizontale wervels in ondiepe...master thesis 2000
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Pavlioglou, S. (author)The rudder-propeller, as the azimuthing thruster was originally called, can be rotated 360 degrees and is capable of delivering full propulsive power in any direction. The azimuthing thruster makes use of a mechanical transmission in order to deliver the power from the prime mover to the propeller. The good maneuverability and the absence of a...master thesis 2015
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Suarez Raspopov, R.S.R. (author)In aircraft engines, especially in turbomachinery components, large part of the flow along the surface is laminar or transitional. The boundary layer development, losses, efficiency and heat transfer are greatly affected by the location and extend of the laminar-to-turbulent transition. The accurate prediction of the transition process is...master thesis 2013
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Zuurveld, J. (author)Experimental research on the stability of bed material behind a backward facing step. Measured is the stability as a function of the local velocity and the local turbulence (turbulence intensity) due to the eddy formation.master thesis 1998
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Erdbrink, C.D. (author)At locations where two natural streams of different velocity come together, a mixing layer develops. In this free shear flow, the velocity difference between the two streams is gradually reduced through the exchange of lateral momentum. This involves different forms of turbulent phenomena. If the width of the flow domain is large compared to the...master thesis 2007
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Van Prooijen, B.C. (author)Dit afstudeerwerk bestaat uit het ontwerpen van een fysisch model, het uitvoeren van experimenten, het verwerken van de metingen en het interpreteren van de resultaten. Allereerst wordt in hoofdstuk 2 aan de hand van een probleemanalyse ingegaan op de literatuur betreffende de (ondiepe) menglaagstroming en wordt de doelstelling van het...master thesis 1999
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Schoenmaker, Lars (author)In this thesis diffuser performance will be simulated with computational fluid dynamics, which will be done with the program Ansys Fluent. The expanding geometry creates an adverse pressure gradient and under certain conditions there will also be separation.<br/><br/>At first a relative simple simulation will be done of a one-directional...master thesis 2017
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Voermans, J.J. (author)Little research was done in the past concerning the propagation of three dimensional effect in shallow wake flow caused by a roughness patch. Today’s research on related subjects is dominated by emerging obstructions in shallow water where the flow can be assumed as (quasi) two dimensional. However the relevance of a submerged obstruction with...master thesis 2013
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Leto, Giulia (author)Recent aircraft have seen the implementation of touchscreens (TSCs) on the flight deck, in sight of more intuitive and direct human-machine interactions. Biodynamic feedthrough (BDFT), i.e., the transfer of the aircraft’s accelerations through the pilot’s body to the control inputs, is however still cause for concern, preventing safe and...master thesis 2023
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Khoshnewiszadeh, Arwin (author)The anticipated arrival of touchscreens on the commercial flight deck will make pilots vulnerable to erroneous screen inputs under vibration, creating a potential safety hazard. Biodynamic feedthrough (BDFT) has shown to be a key obstacle in continuous touchscreen dragging tasks under simulated turbulence, disrupting task performance. This...master thesis 2020
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Lely, M.S. (author)Most estuarine, and some coastal, areas are characterised by large amounts of fine-grained cohesive and non-cohesive sediments. At sufficiently high concentrations, sediment transport in suspension may significantly influence the hydrodynamics. In sediment-laden flow with concentrations of approximately, stratification may occur due to a...master thesis 2007
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Mobertz, Xander (author)Implementation of touchscreen technology on the flight deck has already been announced by multiple aircraft manufacturers. However, a number of unsolved challenges still stand in the way of large scale implementation. One of these challenges comes from using touchscreens as input device in a highly dynamic and turbulent environment. Effects from...master thesis 2017
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De Baar, J.H.S. (author)The keel of a sailing yacht has been shown to constitute a significant part of the overall resistance. Where the details of this effect are not yet fully understood, Computational Fluid Dynamics (CFD) analysis might reveal mechanisms unseen to the experimental eye. An important step in CFD application is the simulation of a number of validation...master thesis 2010
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de Ruijter, R. (author)Downstream of man-made hydraulic structures, bed protections made of granular material are often used to prevent erosion of the bottom. The stones in the top layer of such granular filters must be able to withstand the hydraulic forces. Probably the best-known formula that is used to determine the stability of granular bed material is the design...master thesis 2004
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Akkermans, Christ (author)The influence of using different chemistry model and different chemical kinetics schemes on modeling combustion inside a rocket engine igniter are investigated. An igniter for a LOX/CH4 rocket engine is designed and a CFD model is developed which is used to model the designed igniter. Verification and validation methods are discussed.<br/><br/>...master thesis 2017
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Kolijn, D.J. (author)The following research focuses on artificial underwater structures (a.k.a. artificial reefs) in a coral reef environment to mitigate the natural and anthropogenic pressures which reef systems are increasingly facing worldwide. The research question is stated as: “Establishing a method to determine if a multipurpose artificial underwater...master thesis 2014
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De Rooij, R.S. (author)In my MSc3 I have designed an adaptive facade component that uses pressure difference, created by the wind forces upon the building and the temperature difference between inside and outside, to filter carbon dioxide and nitrogen oxides from the desired oxygen and to change the temperature to a desired level. This research has been extended to...master thesis 2010
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Hovenga, M.J. (author)Turbulence distances are a major design criteria in the design of new freeways and the modifications of freeways. In the Dutch freeway design guideline (NOA) turbulence distances are applied to determine the minimal distance between on-ramps and off-ramps to enter and exit the freeway, or to switch from the one freeway to the other, and lane...master thesis 2014
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Raju, Darshan (author)The energy transition from fossil fuels to renewable energy sources is crucial for climate resilience. In particular, hydrogen combustion in gas turbine combustors is expected to play an essential role in the energy transition. Hence, a fuel-flexible gas turbine combustor operating with a wide range of natural gas and hydrogen fuels is necessary...master thesis 2022
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De Gunst, M. (author)Het onderwerp van deze studie is een niet-uniforme stroming waarin sprake is van een plaatselijk verhoogde aanval op het bodemmateriaal door de lokaal hogere turbulentie. In een 15 m lange stroomgoot met een breedte van 40 cm is door middel van een backward-facing step ofwel afstap een niet-uniforme stroming gecreeerd. Om de schade aan de...master thesis 1999
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