Our news journalists obtained a quote from the research from Max-Planck-Institute for Plasma Physics, "Within each cooling loop, the 1VC are organized mostly in parallel. A homogeneous flow through all branches or at least the minimum specified flow in all of the branches of a circuit is crucial for the IVC to withstand the loading conditions. A detailed hydraulic simulation model of the W7-X cooling loops was built with the commercial code Flowmaster, which is a 1-D computational fluid dynamics software. In order to handle the huge amount of pipe-work data that had to be modelled, a pre- and post-processing macro was developed to transfer the 3D Catia V5 CAD model to the 1-D piping model. Within this model, the hydraulic characteristics of different types of first wall components were simulated, and compared with their pressure drop measurements."
According to the news editors, the research concluded: "As a result of this work, the need for optimization of some cooling loops has been identified and feasible modified solutions were selected."
For more information on this research see: Hydraulic analysis of the Wendelstein 7-X cooling loops. Fusion Engineering and Design, 2013;88(9-10):1764-1767. Fusion Engineering and Design can be contacted at: Elsevier Science Sa, PO Box 564, 1001 Lausanne,
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