Searched for: author%3A%22De+Boer%2C+E.%22
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De Boer, E. (author)
The purpose of the research as described in this Doctor’s thesis is twofold. Firstly it is to define in how far Dutch facilities for primary and secondary education were subjected to spatial concentration during recent decades. Secondly it is intended to assess what this concentration implied for the development of the minimum necessary travel...
doctoral thesis 2010
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De Boer, E. (author)
The goal of the project was to design a personal mobility vehicle for elderly that would deal with the negative image and stigmatizing character of current mobility scooters.
master thesis 2010
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Van Goeverden, C.D. (author), De Boer, E. (author)
School travel is highly neglected in transport science. It contributes little to today’s most envisaged transport problems but it generates its own problems. The paper presents results of a study on travel behaviour of pupils travelling to primary and secondary schools. The study focuses on two aspects: the distances between home and school and...
conference paper 2009
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De Boer, E. (author)
Floods are a threat to millions of people who are living in lowlands. A lot of research is done about flood risk analysis. A general expression of flood risk is the probability of flooding times the consequences. This graduation research focuses on the probabilities of failure and leaves the consequences out of the comparison. The objective is...
master thesis 2007
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De Boer, E. (author)
report 2003
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De Boer, E. (author)
Een verkenning van niet-technische aspecten van introductie en gebruik van calamiteitenpolders in opdracht van Dienst Weg- en Waterbouwkunde van Rijkswaterstaat.
report 2000
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Molenkamp, L. (author), Nederveen, A.A.J. (author), De Boer, E. (author)
Het onderzoek naar sociale aspecten van de aanleg A4 Midden Delfland is verricht in opdracht van Rijkswaterstaat Directie Zuid-Holland.
report 1995
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de Boer, E. (author)
Gewijzigde herdruk 1993.
lecture notes 1993
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de Boer, E. (author), Rosbergen, E. (author)
lecture notes 1993
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De Boer, E. (author), Von der Brelie, K. (author)
report 1991
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De Boer, E. (author)
Een onderzoek in opdracht van de Rijksplanologische Dienst.
book 1990
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Tacken, M. (author), De Boer, E. (author), OSPA, Onderzoeksinstituut voor Stedebouw, Planologie en Architectuur (author)
book 1990
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De Boer, E. (author), Salverda, J. (author)
Studie in opdracht van Rijkswaterstaat Directie Gelderland, Afdeling Planstudie en Verkeerszaken. Een studie van de economische aspecten van een wegverbinding dient verband te leggen tussen de economische ontwikkeling van het doorsneden gebied, de aanwezige infrastructuur en de gewenste infrastructuurverbetering. In hoofdstuk twee van dit...
report 1989
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Velldman, A.E.P. (author), Lindhout, J.P.F. (author), de Boer, E. (author)
A description is given of VISIAN - a simulation method for 2-D viscous flows with strong viscous-inviscid interaction. The mathematical mode and the numerical algorithm are presented. VISIAN has been coupled with the inviscid-flow solver TRAPS. Results are shown for a number of airfoils; a comparison is made with results from other computations...
report 1988
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Lindhout, J.P.F. (author), de Boer, E. (author), van den Berg, B. (author)
A computational method is presented for threedimensional turbulent boundary layers. The turbulence model is a simple eddy-viscosity formulation. An hybrid difference scheme is used, which has the robustness of first order schemes and accuracy of second order schemes. The boundary layer is computed in the region of determinacy of the initial data...
report 1982
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de Boer, E. (author), Lindhout, J.P.F. (author)
The present report gives a brief survey of the theoretical background and the practical use of the boundary layer calculation system BOLA for the calculation of 3D laminar and turbulent boundary layers over non-developable STirfaces. A description of the driverprogram DRIBOLA which controls the BOLA processing, is included.
report 1982
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Lindhout, J.P.F. (author), Moek, G. (author), de Boer, E. (author), van den Berg, B. (author)
This paper gives a description of a calculation method for 3D turbulent and laminar boundary layers on non-developable surfaces. A simple eddy viscosity model is incorporated in the method. Special attention is given to the organization of the computations to circumvent as much as possible stepsize limitations. The method is also able to proceed...
report 1979
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van den Berg, B. (author), Piers, W.J. (author), de Boer, E. (author)
The attached flow around a swept wing has been calcTilated with allowance for the effects of boundary layer and wake. In part I a swept wing was considered with a turbulent boundary layer on both the upper and lower wing surface. The present part of the study deals with the calculation of the flow around the same swept wing with a laminar...
report 1977
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Lindhout, J.P.F. (author), de Boer, E. (author)
This report consists of two parts. The first part describes a finite-difference scheme for the computation of 3D laminar boundary layers over developable surfaces. The stability of the first variation of the difference scheme is investigated. Some results of actual boundary-layer calculations are presented for flows over swept wings. The second...
report 1976
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Lindhout, J.P.F. (author), de Boer, E. (author)
A method is presented to compute the 3D compressible turbulent boundary layer on an adiabatic wall under infinite swept wing conditions. The mathematical model of turbulence is based on a generalisation of Bradshaw's 2D shear stress equation. This results in a system of 5 equations valid along 5 distinct characteristics. A brief discussion is...
report 1975
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