Wang, Defeng, Barakos, George, Cheng, Zhanbo, Mischo, Helmut and Zhao, Jinhai (2022) Numerical simulation of pressure profile of mining backfill fly-ash slurry in an L-shaped pipe using a validated Herschel-Bulkley model. Journal of Sustainable Cement-Based Materials . pp. 1-15. doi:10.1080/21650373.2021.2012723 ISSN 2165-0381.

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Abstract

The study of pressure loss along pipelines during slurry transportation has become a core research concern. However, the simulation research on non-Newtonian flows in mining backfill operations is limited. In this study, a validated Herschel-Bulkley model is deployed to simulate and quantify the pressure evolution and flow characteristics of backfilling slurry inside an L-shaped pipe, showing that both the total and dynamic pressures decrease gradually from the central region to the layers close to the pipe walls. Through a numerical analysis, this paper introduces an unprecedented pressure loss calculation formula simultaneously taking into consideration, both the pipe diameter and the slurry flow velocity.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
SWORD Depositor:	Library Publications Router
Journal or Publication Title:	Journal of Sustainable Cement-Based Materials
Publisher:	Informa UK Limited
ISSN:	2165-0381
Official Date:	17 January 2022
Dates:	Date Event 17 January 2022 Published
Page Range:	pp. 1-15
DOI:	10.1080/21650373.2021.2012723
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

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