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The submersible mixer as major sewage treatment equipment is very important to sewage treatment plant. The numerical simulation of the internal 3-D incompressible turbulent flow agitated flow field was carried out. By changing some design parameters of mixer impeller, we can analyze the numerical simulation results, they showed that: the impeller produced vortex jet flow, the constant velocity lines...
To study the best mixing locations of the gas and the air in such a narrow space within the width of the rotary furnace, this dissertation designs four programs to simulate the regenerative combustion process. By analyzing the simulation results of those four programs, it is found that the furnace reaches the best efficiency if the mixing point locates at 40% to 50% of the furnace-wide. Experimental...
One of the core techniques for the Pavement Management Systems (PMS) is the deterioration hazard model. The hazard models stochastically forecast the deterioration progresses of pavement based on its historical performance indicators over time. This paper introduces a class of hazard models, which consider the heterogeneity factors by a local mixing mechanism. Special attention is paid to the formulation...
Offline optimization of controller parameters for complex non-linear processes can be time consuming, even with high performance computers. This project demonstrates how Metamodeling techniques can be utilized to tune the controller parameters for a non-linear process quickly. The process used in this study is the mixing process which is a multivariable and intrinsically non-linear plant. The Radial...
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