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Application of an Eulerian granular numerical model to an industrial scale pneumatic conveying pipeline

Application of an Eulerian granular numerical model to an industrial scale pneumatic conveying pipeline
Application of an Eulerian granular numerical model to an industrial scale pneumatic conveying pipeline
In this paper, an Eulerian granular numerical model was applied in the modelling of an industrial scale pneumatic-based cement conveying system. Steady-state simulation results are found to match pressure and outlet flowrate values with actual system data. By modifying the inlet pressure and material feed rate, data that predicts the performance of the conveying system has been obtained within the present study. Transient simulations had also been conducted and the results reveal intricate details of the cement flows along the pneumatic pipes and pipe bends. In particular, particle roping behaviour is observed to follow the sides of the wall before, during and after the pipe bends. A sloshing like cement flow motion is also observed after the cement exits the bend. Concentration distribution of the cement particles is found not only to be partly due to gravitational effects but also the pneumatic pipe configuration. Lastly, close inspection of the secondary flows within the pneumatic pipe shows that their directional changes lead to corresponding change in the particle roping direction, indicating that particle roping is closely associated with the secondary flow structures induced by the exact pipe configuration.
0921-8831
New, T.H.
f35405df-ad65-4b96-9d6b-06afebdd43a8
Heng, Jin Liang
657385b6-8bbe-4468-abab-f567d25195b6
Wilson, Philip
8307fa11-5d5e-47f6-9961-9d43767afa00
New, T.H.
f35405df-ad65-4b96-9d6b-06afebdd43a8
Heng, Jin Liang
657385b6-8bbe-4468-abab-f567d25195b6
Wilson, Philip
8307fa11-5d5e-47f6-9961-9d43767afa00

New, T.H., Heng, Jin Liang and Wilson, Philip (2018) Application of an Eulerian granular numerical model to an industrial scale pneumatic conveying pipeline Advanced Powder Technology (Submitted).

Record type: Article

Abstract

In this paper, an Eulerian granular numerical model was applied in the modelling of an industrial scale pneumatic-based cement conveying system. Steady-state simulation results are found to match pressure and outlet flowrate values with actual system data. By modifying the inlet pressure and material feed rate, data that predicts the performance of the conveying system has been obtained within the present study. Transient simulations had also been conducted and the results reveal intricate details of the cement flows along the pneumatic pipes and pipe bends. In particular, particle roping behaviour is observed to follow the sides of the wall before, during and after the pipe bends. A sloshing like cement flow motion is also observed after the cement exits the bend. Concentration distribution of the cement particles is found not only to be partly due to gravitational effects but also the pneumatic pipe configuration. Lastly, close inspection of the secondary flows within the pneumatic pipe shows that their directional changes lead to corresponding change in the particle roping direction, indicating that particle roping is closely associated with the secondary flow structures induced by the exact pipe configuration.

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Submitted date: 1 February 2018

Identifiers

Local EPrints ID: 417535
URI: https://eprints.soton.ac.uk/id/eprint/417535
ISSN: 0921-8831
PURE UUID: e3dfde85-8b75-490e-ba8f-ff0b21035398
ORCID for Philip Wilson: ORCID iD orcid.org/0000-0002-6939-682X

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Date deposited: 02 Feb 2018 17:30
Last modified: 05 Feb 2018 17:30

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Contributors

Author: T.H. New
Author: Jin Liang Heng
Author: Philip Wilson ORCID iD

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