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de Boer, A. (author), van Woerkom, P.Th.L.M. (author)
report 1994
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de Boer, J.J. (author)
report 2004
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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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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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Silvis, L.G. (author), Gehrels, J.C. (author), Lindenberg, J.J. (author), de Boer, S. (author), Holleman, E. (author)
report 2002
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de Boer, W.P. (author), Mooij, H.A. (author), van Gool, M.F.C. (author)
The application of Active Control Technology concepts and in particular the Relaxed Static Stability principle in certain categories of future transport aircraft will lead to the introduction of primary flight control systems incorporating full-time stability augmentation. For this category of transport aircraft adequate handling quality...
report 1979
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Riks, E. (author), Merazzi, S. (author), de Boer, A. (author)
In many practical problems of plate and shell buckling, the pre-buckling state is linear and can be obtained from the linearized equations of elasticity. The computation of the buckling load and mode in such cases correponds to a linear eigenvalue problem that can easily be formulated and implemented in a finite element code. This report...
report 1988
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Bunnik, N.J.J. (author), Verhoef, W. (author), de Jongh, R.W. (author), van Kasteren, H.W.J. (author), Geerts, R.H.M.E. (author), Noordman, H. (author), Uenk, D. (author), de Boer, T.A. (author)
Canopy reflectance simulation studies have demonstrated that a simplified relation between leaf area index and reflectance exists for the hot-spot observed at a zenith angle of approximately 52°. Based on this principle a prototype ground-based hot-spot reflectance meter (HSM) has been developed and tested, The objective of the project is to...
report 1984
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de Boer, W.P. (author), Huynh, H.T. (author), Nicholas, O.P. (author), Schafranek, D. (author), van Engelen, J.A.J. (author)
This report contains a summary of the main conclusions and recommendations from extensive work performed by the Flight Mechanics Action Group on Handling Qualities (FM/AGOl) of the Group for Aeronautical Research and Technology in Europe (GARTEUR). The work of this Action Group, which involved cooperation between research institutes of France ...
report 1990
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van Vliet, A.B. (author), de Boer, A. (author), van Dooren, F. (author), Glas, A. (author), Kolstein, H.M. (author), Leendertz, H. (author), Maljaars, J. (author)
report 2011
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de Boer, J.B. (author), van Oosterom, T. (author)
report 1961
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de Boer, W.P. (author)
report 1972
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de Boer, T.J.M. (author)
report 1977
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Aerts, J.C.J.H. (author), de Boer, M.E. (author), Heil, G.W. (author)
Het huidige kustbeleid is erop gericht de kustlijn van 1990 "dynamisch" te handhaven. Als onderdeel hiervan worden regelmatig zandsuppleties uitgevoerd langs de kust. Met dit project wil de TAW en RWS, door het uitvoeren van gerichte metingen, inzicht krijgen in de verstuiving van suppleties waarbij de gebruiksfunctie recreatie centraal staat....
report 1997
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de Boer, C.M. (author)
report 1975
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de Boer, T.J.M. (author)
report 1977
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Ellenbroek, M.H.M. (author), de Boer, A. (author)
Fokker Space and Systems and the National Aerospace Laboratory NLR performed a study to integrate more systematically the experimental and analytical analysis of the dynamic behaviour of structures. The study focused on the correlation of experimental and analytical data, matrix and parameter updating methods. In this paper an overview will be...
report 1993
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de Boer, Y.A. (author)
report 1999
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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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de Boer, W.P. (author)
In this study the dynamics of very large aircraft in the landing approach are discussed. The flight dynamics of the DC-8 and Boeing-747 are compared with those of hypothetical very large aircraft. These hypothetical aircraft have landing weights of 1, 2 and 4x10(6) lbs. Aircraft data and stability and control derivatives for these hypothetical...
report 1971
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