Metodologia para determinação de curvas de potencia e fluxos caracteristicos para impelidores axiais, radiais e tangenciais utilizando a fluidodinamica computacional

TL;DRAbstract

Stirred vessels are widely used in chemical, petrochemical, pharmaceutical and food industries, where the mixing efficiency of the mixture frequently has a great impact in the product production cost and quality. The objective of this work is to build curves of Power Number versus Reynolds Number, for the most commonly used impellers in the chemical industry, through the use of CFDcomputational fluid dynamics. The main flow generated by the studied impellers, the pumping number and the flow patterns in the tank will be determined. Through the numeric results generated by the proposed model, it is determined empiric correlations for Power Number versus Reynolds Number curve, in order to generate a useful and practical tool to be used in the design and scale-up of agitation systems. The present work aims to show that an optimized project of a mixture system can minimize the equipment power consumption and its processing time, improving uniformity for the whole process, minimizing the for

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