| Energy losses of non-Newtonian fluids in sudden pipe contractions V Fester, B Mbiya, P Slatter Chemical Engineering Journal 145 (1), 57-63, 2008 | 73 | 2008 |
| Catalytic activities of ultra-small β-FeOOH nanorods in ozonation of 4-chlorophenol O Oputu, M Chowdhury, K Nyamayaro, O Fatoki, V Fester Journal of Environmental Sciences 35, 83-90, 2015 | 70 | 2015 |
| Binderless Solution Processed Zn Doped Co3O4 Film on FTO for Rapid and Selective Non‐enzymatic Glucose Detection M Chowdhury, F Cummings, M Kebede, V Fester Electroanalysis 29 (2), 578-586, 2017 | 45 | 2017 |
| Photocatalytic activities of ultra-small β-FeOOH and TiO2 heterojunction structure under simulated solar irradiation M Chowdhury, M Ntiribinyange, K Nyamayaro, V Fester Materials Research Bulletin 68, 133-141, 2015 | 44 | 2015 |
| Loss coefficients for flow of Newtonian and non-Newtonian fluids through diaphragm valves VG Fester, DM Kazadi, BM Mbiya, PT Slatter Chemical Engineering Research and Design 85 (9), 1314-1324, 2007 | 38 | 2007 |
| Measurement and analysis of flow behaviour in complex geometries using the Ultrasonic Velocity Profiling (UVP) technique R Kotzé, J Wiklund, R Haldenwang, V Fester Flow Measurement and Instrumentation 22 (2), 110-119, 2011 | 37 | 2011 |
| Centrifugal pump derating for non-Newtonian slurries JJN Kalombo, R Haldenwang, RP Chhabra, VG Fester Journal of Fluids Engineering 136 (3), 031302, 2014 | 32 | 2014 |
| Sludge pipe flow pressure drop prediction using composite power-law friction factor-Reynolds number correlations based on different non-Newtonian Reynolds numbers R Haldenwang, APN Sutherland, VG Fester, R Holm, RP Chhabra Water Sa 38 (4), 615-622, 2012 | 28 | 2012 |
| Modeling pressure losses for Newtonian and non-Newtonian laminar and turbulent flow in long square edged orifices MR Chowdhury, VG Fester Chemical Engineering Research and Design 90 (7), 863-869, 2012 | 26 | 2012 |
| Growth kinetics evaluation of hydrothermally synthesized β-FeOOH nanorods M Chowdhury, V Fester, G Kale Journal of Crystal Growth 387, 57-65, 2014 | 25 | 2014 |
| Pressure losses and limiting Reynolds numbers for non-Newtonian fluids in short square-edged orifice plates B Ntamba Ntamba, V Fester | 25 | 2012 |
| A novel β-FeOOH/NiO composite material as a potential catalyst for catalytic ozonation degradation of 4-chlorophenol O Oputu, M Chowdhury, K Nyamayaro, F Cummings, V Fester, O Fatoki RSC Advances 5 (73), 59513-59521, 2015 | 23 | 2015 |
| In-line rheological characterisation of wastewater sludges using non-invasive ultrasound sensor technology R Kotzé, R Haldenwang, V Fester, W Rossle Water SA 41 (5), 683-690, 2015 | 22 | 2015 |
| Rapid and large-scale synthesis of Co 3 O 4 octahedron particles with very high catalytic activity, good supercapacitance and unique magnetic properties M Chowdhury, O Oputu, M Kebede, F Cummings, O Cespedes, ... RSC advances 5 (127), 104991-105002, 2015 | 20 | 2015 |
| Green-synthesized ZnO via Hyphaene thebaica fruit extracts: Structure & catalytic effect on the ozonation of Coralene Rubine-S2G azo disperse dye BT Sone, E Makamu, HEA Mohamed, O Oputu, V Fester Environmental Nanotechnology, Monitoring & Management 16, 100515, 2021 | 19 | 2021 |
| Co3O4/TiO2 hetero-structure for methyl orange dye degradation M Chowdhury, S Kapinga, F Cummings, V Fester Water Science and Technology 79 (5), 947-957, 2019 | 17 | 2019 |
| Critical process parameters and their interactions on the continuous hydrothermal synthesis of ironoxide nanoparticles B Kriedemann, V Fester Chemical Engineering Journal 281, 312-321, 2015 | 16 | 2015 |
| Resistance coefficients for non-Newtonian flows in pipe fittings V Fester, P Slatter, N Alderman Rheology. InTech, 151-186, 2012 | 16 | 2012 |
| Hydrothermal precipitation of β-FeOOH nanostructure (s) in mixed solvent: study of their morphological and structural evolution MR Chowdhury, V Fester, G Kale, O Cespedes Journal of nanoparticle research 16, 1-11, 2014 | 15 | 2014 |
| Prediction of non-Newtonian head losses through diaphragm valves at different opening positions AM Kabwe, VG Fester, PT Slatter Chemical Engineering Research and Design 88 (8), 959-970, 2010 | 15 | 2010 |
