| Autor: |
Malczewska Beata, Biczyński Adrian |
| Jazyk: |
angličtina |
| Rok vydání: |
2017 |
| Předmět: |
|
| Zdroj: |
Journal of Water and Land Development, Vol 34, Iss 1, Pp 191-196 (2017) |
| Druh dokumentu: |
article |
| ISSN: |
2083-4535 |
| DOI: |
10.1515/jwld-2017-0053 |
| Popis: |
The municipal sludge characterized non-Newtonian behaviour, therefore the viscosity of the sewage sludge is not a constant value. The laboratory investigation was made using coaxial cylinder with rotating torque and gravimetric concentration of the investigated sludge ranged from 4.40% to 2.09%. This paper presents the investigation on the effect of concentration of rheological sludge behaviour. The three different rheological models: Bingham (plastic model), Ostwald-de Waele (power-law), Hershel-Bulkley’s were calculated by fitting the experimental data of shear stress as a function of shear rate to these models. In this study, the 3-parameter Herschel- Bulkley’s model fits the experimental data best. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
|
