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- Title
REOLOGIA APLICADA A SIMULAÇÃO DO FATOR DE ATRITO PARA O ESCOAMENTO CONFINADO DE CAULIM PELOS MODELOS DE CHURCHILL E DE SWAMEE-JAIN.
- Authors
Ferraioli Silva, André Luis Mileo; Amarante Mesquita, Andre Luiz; Ferreira Felipe, Augusta Maria Paulain; da Silva Souza, José Antônio
- Abstract
Estimating load losses due to friction in closed tubes is an important task in solving many practical problems in various branches of the engineering profession. Hydraulic design and the analysis of mineral suspension flow systems are two examples. Many authors consider the Churchill and Swamee-Jain models to be promising for evaluating losses due to friction in closed pipe conduits. To investigate the friction factor the Churchill and Swamee-Jain models were evaluated in terms of rheological data for the confined flow kaolin suspension galvanized iron pipe with 0.1 to 1.0 meter diameter at a flow range of 0.002 to 0.6 m3 per second. Both models showed a good representation of consistent friction factor with low relative percentage discrepancy providing estimated values for use in the design and analysis of kaolin flow systems. Keywords: Kaolin suspension; Rheology; Friction factor.
- Publication
Tecnologia em Metalurgia, Materiais e Mineração, 2017, Vol 14, Issue 2, p148
- ISSN
2176-1515
- Publication type
Article
- DOI
10.4322/2176-1523.1160