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Based on spherical cap-shaped nucleation process at heterogeneous particles surface, a numerical model of heterogeneous condensation flow was established. The condensing flow with heterogeneous condensation in a nozzle and a turbine cascade was numerically studied. Results shows in heterogeneous condensation, if there are enough heterogeneous particles, the steam can focus on the nuclear and begin...
According to the problem of amount and complexity of calculation exponent increased with the measurement dimension increment when multi-data source related by D-S Fusion arithmetic, a fault diagnosis method combined PCA and D-S evidence theory is proposed. Then, the characteristic of data dimension reduction of PCA and the completeness of fault diagnosis and the advantage of presenting and reasoning...
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