Authors:
Alexandru Rinovetz, Adrian Rivis, Bogdan Petru Radoi, Gabriel Bujanca, Mihaela Eugenia Simescu, Adelina Beuran, Teodor Ioan Trasca
Volume 27, Issue 3;
Pages: 255-262; 2021
ISSN: 2069-0053 (print) (former ISSN: 1453-1399), Agroprint;
ISSN (online): 2068-9551
A special field of fluid mechanics is the study of the dynamics of polyphasic fluids, attached to pneumatic transport operation. The "mechanical" displacement, polyphasic (the relocation in time and space of a mobile under the mutual action or of the forces that generate the movement), has as object of study the phenomenon(s) of flow, the action of mixtures on solid bodies at the contact interface, the energetic changes determined by the transformations that intervene in the flow of the polyphasic environment in which the interactions between the constituent phases are involved. Pneumatic transport moves granular/powdered materials by engaging them in a gas current (frequently air). In industrial applications, the system proved to be economical, presenting several advantages: 1. constructive simplicity; 2. barrier to contamination of materials of food technological interest; 3. the possibility of automation and ease of operation and maintenance. Used intensively in the milling and bakery industry, but also in other food technologies where granular and/or powdery materials are circulated.
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