Predicting the pumping characteristics of multiple parallel tube air-lift pumps

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Authors
Yousuf, Noman
Anderson, T.N.
Gschwendtner, M.
Nates, R.
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2016
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Conference Contribution - Paper in Published Proceedings
Ngā Upoko Tukutuku (Māori subject headings)
Keyword
air-lift pumps
multiple parallel lift tubes
modelling
prediction
Artificial Neural Network (ANN)
ANZSRC Field of Research Code (2020)
Citation
Yousuf, N., Anderson, T., Gschwendtner, M., & Nates, R. (2016). Predicting the pumping characteristics of multiple parallel tube air-lift pumps. Proceedings of the 20th Australasian Fluid Mechanics Conference (pp. 1-4 online). Retrieved from http://people.eng.unimelb.edu.au/imarusic/proceedings/20/452%20Paper.pdf
Abstract
Air-lift pumps have begun to receive a high degree of attention due to the absence of mechanical components and the potential for their use in renewable energy applications. One of the principal challenges of the air-lift pump is increasing the volume of fluid it can pump, as such it may be possible to utilise multiple parallel tubes. In such an arrangement it is necessary to have the two phases distributed to multiple tubes from a common source. However, from an analytical perspective this leads to multiple steady state solutions and hence accurately predicting the pumping characteristics of an air-lift pump becomes extremely complex. To circumvent the analytical challenges associated with dividing a multiphase flow amongst multiple parallel tubes this work utilised an artificial neural network (ANN) (a class of artificial intelligence) to the prediction of the pumping characteristics of an air-lift pump with multiple parallel lift tubes. The results show that the neural network model provides an extremely accurate prediction of the pumping characteristics of multiple tube air-lift pumps within the training bounds. Moreover, the ANN provides insights into the pumping characteristics of multiple tube air-lift pumps outside these bounds that would be extremely difficult to achieve by analytical means
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