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Employing air as fluid media, hydrodynamics performances in cracking furnace tube with twisted slice were studied, then the flow field (velocity, pressure drop, and resistance loss) of heat transfer enhancement was simulated based on CFX, at last, the effect of twist ratio on flow field was analyzed. The experimental results showed that boundary layer in the tube became thin compared with circular...
This paper is concerned with a mathematical model for simulating hydrodynamics of 2D river flow with groins based on the WENO scheme and the Finite Volume Method on unstructured grids. The time discretization uses the Runge-Kutta TVD scheme. By using the proposed model, we calculated the flow property with a groin, and obtained the flow velocity field distributions. The comparisons of the calculated...
This paper presents identification algorithms for a low-dimensional planar flow model composed of a uniform flow component and a singular flow component. With the aim of improving navigation for small autonomous underwater vehicles operating in shallow water, we develop algorithms that can be performed in near real-time using small, sparse data sets. Although we compare several variations, the basic...
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