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Title: | Reducing energy consumption in spray drying by monodisperse droplet generation: Modelling and simulation |
Authors: | Atuonwu, JC Stapley, AGF |
Issue Date: | 2017 |
Publisher: | Elsevier |
Citation: | Energy Procedia, 123: pp. 235 - 242, (2017) |
Abstract: | The possibilities of reducing energy consumption in spray drying by monodisperse droplet generation have been explored. From heat/mass balances and droplet travel dynamics in a single-stream spray dryer, correlations have been established for the drying gas temperatures that satisfy given outlet product moisture contents for droplet streams of different diameters-with skimmed milk as a case study. The results suggest that energy consumption can be reduced by up to 90%, compared to what obtains in a conventional system that produces droplet sizes up to 10 times the desired size. An experimental single-stream monodisperse droplet dryer, based on piezoelectric atomisation has been constructed, with an imaging system for future validation studies. |
URI: | http://bura.brunel.ac.uk/handle/2438/15536 |
DOI: | http://dx.doi.org/10.1016/j.egypro.2017.07.251 |
ISSN: | 1876-6102 |
Appears in Collections: | Dept of Electronic and Electrical Engineering Research Papers |
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