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Effect of Agitator’s Types on the Hydrodynamic Flow in an Agitated Tank

《中国机械工程学报:英文版》2020年 第2期 | Mohammed Foukrach Mohamed Bouzit Houari Ameur Youcef Kamla   Mechanical Faculty of Engineering University of Sciences and Technology of Oran Mohamed Boudhief(USTO-MB) 1505 El M’naouar Oran Algeria Institute of Science and Technology University Center of Naama(Ctr Univ Naama) BP 66 45000 Naama Algeria Faculty of Technology University Hassiba Ben Bouali of Chlef(UHBC)Ouled Fares Chlef Algeria
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摘 要:The aim of this paper is to study the effect of agitator’s types on the turbulent flows in stirred tanks without and with baffles.The hydrodynamics behavior induced by four different agitator’s types:a Rushton turbine(RT),a circular blade turbine(CBT),a diverging triangular blade turbine(DTBT)and converging triangular blade turbine(CTBT)are numerically predicted by solving the Navier-Stokes equations and RNGκ–εturbulent model.The simulations are carried out using the Multi Reference Frame(MRF)approach.The numerical results showed good agreement with experiment.We find that the agitator CTBT gives an important profit on the power consumption per report/ratio the others and DTBT give a good reduction of the vortex size of the impeller angles.
【分 类】【数理科学和化学】 > 力学 > 流体力学
【关键词】 MIXING Baffled tanks Agitators Reynolds number Turbulent flow
【出 处】 《中国机械工程学报:英文版》2020年 第2期 122-139页 共18页
【收 录】 中文科技期刊数据库