Searched for: subject:"filters"
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Wijtenburg, Noud (author)
Despite large scale application of performance- and risk management practices, project organisations struggle with responding adequately to early warning signs of project problems. This research investigates the main barriers in responding to early warning signs, and provides recommendations on how to deal with them, in order to stimulate the...
master thesis 2018
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Chi, Huang-Da (author)
Developing parallel applications to make efficient use of current and emerging parallel architectures remains a big challenge in modern application development where performance is a first-class citizen. Optimizing conventional video filter applications to take advantage of current multi- and many-core architectures is one such application. This...
master thesis 2018
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Overvoorde, Alexander (author)
Path tracing has been successfully utilized in modern animated films to produce photorealistic images. However, with path tracing being a Monte Carlo method, a large amount of light paths must be sampled to reduce image noise to acceptable levels. Although a wide variety of acceleration and importance sampling techniques have been developed to...
master thesis 2017
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Shan, Chan (author)
Wind power as a green and low-carbon renewable energy could effectively mitigate the energy crisis and reduce environmental pollution, including the rapid developing offshore wind power with its rich reserves, wind stability, high wind speed, less interference, noise and other advantages. The trend for development of offshore wind farms is...
master thesis 2017
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Benamar, A. (author), Azirou, S. (author), Tahakourt, A. (author)
Dam filters are mainly designed using filter criteria based on the grain size distribution. The main design criteria against which performance is assessed are a criterion for retention of fine particles. The characteristic size of finer fraction influences the size distribution of the filter pore and hence the retention capacity of flowing...
conference paper 2017
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Treffers, Michael (author), Melman, Bart (author)
Current trailers and caravans use overrun brakes, which cause overheated brakes in the mountains. A solution is to design an electric brake system in which the brakes are controlled electronically instead of mechanically. The report discusses the control models associated with braking, anti-sway detection and velocity sensor fusion. The RDW...
bachelor thesis 2017
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Jongeling, Alexander (author)
In the world of DC railway trains nowadays, asynchronous-traction machine with traction controllers, i.e. an inverter with variable output frequency, is implemented. This controller changes the incoming DC voltage into an AC voltage of a variable frequency and RMS amplitude. The disadvantages of switching inverters, compared to a pure sine wave...
master thesis 2017
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Admiraal, M. (author), Couasnon, A. (author), Huijzenveld, T. (author), Hutten, R. (author), Schölvinck, O. (author), Van Veen, N. (author)
In Nicaragua, active research for arsenic started in 1996, after the first case of arsenic poisoning was reported in a rural community. Arsenic concentrations present in drinking water cause chronic poisoning, which depending on the exposure, lead to several life-threatening long term effects. It is however unknown to what extent this...
student report 2015
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Van de Sande, S.A.H. (author), Uijttewaal, W.S.J. (author), Verheij, H.J. (author)
Granular filters are used for protection against scour and erosion of base material. For a proper functioning it is necessary that at the interfaces between the filter structure, the subsoil and the water flowing above the filter structure no material will be transported. Different types of granular filters can be distinguished, this paper...
conference paper 2014
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Gong, X. (author)
Conducted EMI in Inverters with SiC Transistors Electromagnetic Interference (EMI) is the main side effect accompanied with the fast voltage and current switching transients in power electronics applications. Compliance of the Electromagnetic Compatibility (EMC) standard is prescribed for any power electronics product before entering the market....
doctoral thesis 2013
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Verheij, H.J. (author), Hoffmans, G. (author), Dorst, K. (author), Van de Sande, S. (author)
Granular filters are used for protection of structures against scour and erosion. For a proper functioning it is necessary that the interfaces between the filter structure, the subsoil and the water flowing above the filter structure are stable. Stability means that there is no transport of subsoil material through the filter to the water above...
conference paper 2012
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Leloux, J. (author)
The steadily growing amount of orbital debris increases the probability and amount of collisions between two objects in orbit about the Earth. These collisions in turn create even more debris, and it is therefore important to keep track of future conjunctions. The U.S. Space Surveillance Network (SSN) uses ground- and space-based sensors to...
master thesis 2012
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Macco, J.H.A. (author)
master thesis 2011
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Shamsa, Y. (author)
In this thesis, a UWB pulse generator is designed to be implemented in IBM 0.13 um technology. The pulse generator has a high spectral efficiency. Using amplitude control, any mismatch, process variation or temperature variation can be compensated for to comply with the UWB FCC mask. The pulse has an approximate duration of 2ns. The current...
master thesis 2009
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Van Zanen, L.F. (author)
Geophysical exploration measurements are used to obtain an image of the geological structures of the subsurface, as detailed as possible. To this end, a wavefield is generated by a seismic source. This wavefield propagates through the subsurface, and will partly reflect on boundaries between layers with contrasting properties, and it will partly...
doctoral thesis 2004
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Halter, W. (author)
Filterconstructies hebben als doel erosie te voorkomen in bepaalde delen van waterbouwkundige kunstwerken. Ze zijn opgebouwd uit een basislaag en een of meer filterlagen. Er zijn verschillende soorten filterconstructies. Ze worden over het algemeen zo gemaakt dat er geen erosie zal optreden van basismateriaal. Het is echter efficienter om een...
master thesis 1999
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Booij, R. (author)
Deze notitie beschrijft de resultaten van een inleidend onderzoek naar de mechanismen van de erosie van de basislaag onder geometrisch open filters. Hierbij wordt in eerste instantie uitgegaan van de beter onderzochte erosie van de bodem van een waterloop zonder beschermende filterlaag. Op basis van metingen van Van Os (1998) in een inleidend...
report 1998
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Van Os, P. (author)
In de kust- en waterbouw worden regelmatig geometrisch open filterconstructies toegepast. Er bestaat onduidelijkheid over het doordringen van de hydraulische be lasting in de filterlaag en de invloed daarvan op de erosie van de basislaag. Eerder onderzoek geeft het verband aan tussen de schuifspanning op de filterlaag en schuifspanning op de...
master thesis 1998
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Hauer, M. (author), Van der Meulen, T. (author)
In dit rapport worden de resultaten beschreven van een onderzoek naar de invloed van de diverse bij het ontwerp en de uitvoering van een enkellaagse geometrisch open filterconstructie aanwezige onzekerheden op de faalkans van de toplaag en de basislaag van de uiteindelijk gerealiseerde filterconstructie. De constructie bevindt zich hierbij in...
report 1997
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Wiersum, B.S. (author)
In rivieren en kanalen worden bodembeschermingen toegepast om te voorkomen dat stromingen ontoelaatbare ontgrondingen veroorzaken. Naast natuurlijke stromingen in de rivier veroorzaken scheepsgeïnduceerde waterbewegingen deze stromingen. Een bodembescherming be staat meestal uit een toplaag met daaronder een of meer filters. De toplaag moet...
master thesis 1996
Searched for: subject:"filters"
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