The effect of various designs of six-curved blade impellers on reaction rate analysis in liquid–liquid mixing vessel
The mixing efficiencies of impellers vary according to their designs. In this work, the effects of 6-curved-blade impellers of different curvature angles and central disk sizes on the reaction in a stirred vessel were investigated and the results were compared to that of a Rushton turbine. The impel...
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| Format: | Article |
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Elsevier
2016
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| _version_ | 1825721046727131136 |
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| author | Afshar Ghotli, R. Abdul Raman, Abdul Aziz Ibrahim, Shaliza |
| author_facet | Afshar Ghotli, R. Abdul Raman, Abdul Aziz Ibrahim, Shaliza |
| author_sort | Afshar Ghotli, R. |
| collection | UM |
| description | The mixing efficiencies of impellers vary according to their designs. In this work, the effects of 6-curved-blade impellers of different curvature angles and central disk sizes on the reaction in a stirred vessel were investigated and the results were compared to that of a Rushton turbine. The impeller efficiency was defined by the ratio of reaction rate to power consumption, (rA/P). The experiments were performed at the rotational speeds of 5, 6 and 7 rps. The interaction among the experimental parameters was investigated using Response Surface Methodology. The rA/P values were found to decrease with increasing curvature angles. The lowest rA/P value was obtained for the impeller with curvature angle of 140°. The result showed that the results for Rushton turbine was relatively low compared to curved-blade impellers and increase in central disk size did not significantly affect rA/P. In conclusion, curved-blade impellers were more economically efficient than Rushton turbine. |
| first_indexed | 2024-03-06T05:44:23Z |
| format | Article |
| id | um.eprints-18080 |
| institution | Universiti Malaya |
| last_indexed | 2024-03-06T05:44:23Z |
| publishDate | 2016 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | um.eprints-180802019-12-06T07:55:43Z http://eprints.um.edu.my/18080/ The effect of various designs of six-curved blade impellers on reaction rate analysis in liquid–liquid mixing vessel Afshar Ghotli, R. Abdul Raman, Abdul Aziz Ibrahim, Shaliza TA Engineering (General). Civil engineering (General) TP Chemical technology The mixing efficiencies of impellers vary according to their designs. In this work, the effects of 6-curved-blade impellers of different curvature angles and central disk sizes on the reaction in a stirred vessel were investigated and the results were compared to that of a Rushton turbine. The impeller efficiency was defined by the ratio of reaction rate to power consumption, (rA/P). The experiments were performed at the rotational speeds of 5, 6 and 7 rps. The interaction among the experimental parameters was investigated using Response Surface Methodology. The rA/P values were found to decrease with increasing curvature angles. The lowest rA/P value was obtained for the impeller with curvature angle of 140°. The result showed that the results for Rushton turbine was relatively low compared to curved-blade impellers and increase in central disk size did not significantly affect rA/P. In conclusion, curved-blade impellers were more economically efficient than Rushton turbine. Elsevier 2016 Article PeerReviewed Afshar Ghotli, R. and Abdul Raman, Abdul Aziz and Ibrahim, Shaliza (2016) The effect of various designs of six-curved blade impellers on reaction rate analysis in liquid–liquid mixing vessel. Measurement, 91. pp. 440-450. ISSN 0263-2241, DOI https://doi.org/10.1016/j.measurement.2016.04.044 <https://doi.org/10.1016/j.measurement.2016.04.044>. http://dx.doi.org/10.1016/j.measurement.2016.04.044 doi:10.1016/j.measurement.2016.04.044 |
| spellingShingle | TA Engineering (General). Civil engineering (General) TP Chemical technology Afshar Ghotli, R. Abdul Raman, Abdul Aziz Ibrahim, Shaliza The effect of various designs of six-curved blade impellers on reaction rate analysis in liquid–liquid mixing vessel |
| title | The effect of various designs of six-curved blade impellers on reaction rate analysis in liquid–liquid mixing vessel |
| title_full | The effect of various designs of six-curved blade impellers on reaction rate analysis in liquid–liquid mixing vessel |
| title_fullStr | The effect of various designs of six-curved blade impellers on reaction rate analysis in liquid–liquid mixing vessel |
| title_full_unstemmed | The effect of various designs of six-curved blade impellers on reaction rate analysis in liquid–liquid mixing vessel |
| title_short | The effect of various designs of six-curved blade impellers on reaction rate analysis in liquid–liquid mixing vessel |
| title_sort | effect of various designs of six curved blade impellers on reaction rate analysis in liquid liquid mixing vessel |
| topic | TA Engineering (General). Civil engineering (General) TP Chemical technology |
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