Role of regression analysis and variation of rheological data in calculation of pressure drop for sludge pipelines

Farno, E, Coventry, K, Slatter, P and Eshtiaghi, N 2018, 'Role of regression analysis and variation of rheological data in calculation of pressure drop for sludge pipelines', Water Research, vol. 137, pp. 1-8.


Document type: Journal Article
Collection: Journal Articles

Title Role of regression analysis and variation of rheological data in calculation of pressure drop for sludge pipelines
Author(s) Farno, E
Coventry, K
Slatter, P
Eshtiaghi, N
Year 2018
Journal name Water Research
Volume number 137
Start page 1
End page 8
Total pages 8
Publisher Elsevier
Abstract Sludge pumps in wastewater treatment plants are often oversized due to uncertainty in calculation of pressure drop. This issue costs millions of dollars for industry to purchase and operate the oversized pumps. Besides costs, higher electricity consumption is associated with extra CO2 emission which creates huge environmental impacts. Calculation of pressure drop via current pipe flow theory requires model estimation of flow curve data which depends on regression analysis and also varies with natural variation of rheological data. This study investigates impact of variation of rheological data and regression analysis on variation of pressure drop calculated via current pipe flow theories. Results compare the variation of calculated pressure drop between different models and regression methods and suggest on the suitability of each method. © 2018 Elsevier Ltd
Subject Rheology
Wastewater Treatment Processes
Keyword(s) anaerobic digested-sludge
sensitivity-analysis
activated-sludge
sewage-sludge
temperature
impact
suspensions
models
DOI - identifier 10.1016/j.watres.2018.02.059
Copyright notice © 2018 Elsevier Ltd. All rights reserved.
ISSN 0043-1354
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