Stéphane Viazzo

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The objective of the study is to understand the thermal hydraulics in a core sub-assembly with liquid sodium as coolant by performing detailed numerical simulations. The passage for the coolant flow between the fuel rods is maintained by thin wires wrapped around the rods. The contact point between the fuel pin and the spacer wire is the region of creation(More)
a r t i c l e i n f o a b s t r a c t Keywords: Fourth-order compact finite differences Axis singularity Multidomain decomposition solver Hybrid parallelization Turbulent pipe flow Rotating flows We present an efficient parallelized multidomain algorithm for solving the 3D Navier– Stokes equations in cylindrical geometries. The numerical method is based on(More)
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