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Kroll, J.G. (author), Borsoi, F. (author), van der Enden, K.L. (author), Uilhoorn, W. (author), de Jong, D. (author), Quintero-Perez, M. (author), van Woerkom, D.J. (author), Bruno, A. (author), Plissard, S.R. (author), Car, D. (author), Bakkers, E.P.A.M. (author), Cassidy, M.C. (author), Kouwenhoven, L.P. (author)Superconducting coplanar-waveguide resonators that can operate in strong magnetic fields are important tools for a variety of high-frequency superconducting devices. Magnetic fields degrade resonator performance by creating Abrikosov vortices that cause resistive losses and frequency fluctuations or suppress the superconductivity entirely. To...article 2019
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Ravishanara, A.K. (author), Ozdemir, H. (author), Franco, A. (author)In this study a new approach to model the effect of vortex generators in integral boundary layer equations is described. Vortex generators (VGs) are commonly used on wind turbine blades to avoid early separation of flow which helps not only to increase the lift but also delays the stall. Delaying the stall angle of wind turbine blades will allow...conference paper 2019
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Boorsma, K. (author), Greco, L. (author), Bedon, G. (author)Results from the EU AVATAR project have indicated vortex methods generally to be in good agreement with computational fluid dynamics simulations for resolving rotor aerodynamic forces in a variety of operational and inflow conditions. Limitations of the more crude blade element momentum method, most widely used in industry, have been exposed....conference paper 2018
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Kriesels, P.C. (author), Peters, M.C.A.M. (author), Hirschberg, A. (author), Wijnands, A.P.J. (author), Iafrati, A. (author), Riccardi, G. (author), Piva, R. (author), Bruggeman, J.C. (author), Technisch Physische Dienst TNO - TH (author)High Reynolds number, low Mach number gas flows in pipe systems with closed side branches exhibit spectacular low frequency self-sustained pulsations driven by periodic vortex shedding at specific values of the Strouhal number. A detailed study is presented of the behaviour of the flow in a system with two opposite closed side branches of equal...article 1995