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In this study, the numerical investigation on the interaction between the volume and the diffuser with different outlet angles in the nuclear main pump was conducted by using the commercial software NUMECA. It was found that the static pressure increases gradually from the diffuser outlet to the volume wall with the maximum value presenting near the volume wall. The back flow at the volume outlet...
Three-dimensional numerical simulations were performed to study the internal flow of a mixed-flow pump impeller under design conditions, by using commercial CFD software - NUMECA, specifically developed for the flow analysis of turbo-machinery. The agreement between the calculated results and the experimental data proved that the adopted numerical methods and models were reasonable and accurate. By...
Recently trusted network becomes hot topic in network security domain. By introducing the concept of "trusted attribute", we proposed grade division scheme, which was called hierarchy trusted network framework (HTNF). Also we detailedly explained the partition rules of trusted attributes and the approach to grade division. We discussed the potential applications of presented framework, and...
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