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To get more accurate flow in the constant-head pump at starting period, a test model was created. The LES model was used to simulate the inner flow at the starting period. The external characters and their time derivatives were obtained. The blade loading on the middle streamline were analyzed. Normalized helicity was used to analyze vortexes in impeller and vortex core was extracted by the normalized...
In this paper, we study period of processing on serial production line when batch jobs are processed under non-blocking optimal control. For the state that different jobs can be completed on different or same machines, we give expression of period of processing. Then we present an optimal scheduling problem, and put forward an algorithm to solve this problem. Finally we apply these results to hot-metal...
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