NHL Stenden University of Applied Sciences 2 articles published in JoVE Engineering Preparation of Free-Surface Hyperbolic Water Vortices Roman Klymenko1,5, Harmen Nanninga2, Esther de Kroon1, Luewton L. F. Agostinho1,2, Elmar C. Fuchs1,3, Jakob Woisetschläger4, Wilfred F. L. M. Hoeben5 1Wetsus - Centre of Excellence for Sustainable Water Technology, 2Water Technology Research Group, NHL Stenden University of Applied Sciences, 3Optical Sciences Group, Faculty of Science and Technology (TNW), University of Twente, 4Institute for Thermal Turbomachinery and Machine Dynamics, Graz University of Technology, 5Department of Electrical Engineering, Electrical Energy Systems group, Eindhoven University of Technology This paper describes how three different water vortex regimes in a hyperbolic Schauberger funnel can be created, their most important characteristics, and how associated parameters such as the oxygen transfer rates can be calculated. Chemistry Stereolithographic 3D Printing with Renewable Acrylates Vincent S.D. Voet1, Geraldine H.M. Schnelting1, Jin Xu2, Katja Loos2, Rudy Folkersma1, Jan Jager1 1Professorship Sustainable Polymers, NHL Stenden University of Applied Sciences, 2Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen A protocol for additive manufacturing with renewable photopolymer resins on a stereolithography apparatus is presented.
