Power curves and flow patterns for a range of impellers in Newtonian fluids: 40<Re<5×10(5)
The mixing pattern and power number in a stirred vessel depend not only on the impeller design but also on the impeller/tank geometry and flow regime. The relationship between these parameters is reported for a Rushton turbine (6DT), six-bladed 45°-pitched turbine pumping down (6MFD) and (6MFU) up...
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| Main Authors: | , |
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| Format: | Article |
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Institution of Chemical Engineers
1995
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/9435/ http://www.scopus.com/inward/record.url?eid=2-s2.0-0029109434&partnerID=40&md5=f62c09fc96bf266a31bc3adc88deb72a |
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| Summary: | The mixing pattern and power number in a stirred vessel depend not only on the impeller design but also on the impeller/tank geometry and flow regime. The relationship between these parameters is reported for a Rushton turbine (6DT), six-bladed 45°-pitched turbine pumping down (6MFD) and (6MFU) up and three proprietary impellers. The impellers were used over a wide range of impeller diameter (D)/vessel diameter (T) and impeller clearance (C)/T values. Flow patterns were recorded and power numbers were measured as a function of Reynolds number from about 40 to about 50,000 in Newtonian fluids. The results obtained were used to aid in the study of the impellers in solid-liquid and three-phase systems. |
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