Valve dynamics in multi-cylinder positive displacement pump model

Aleksandar Josifovic, Jonathan Corney, Bruce Davies

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Abstract

Pumps are critical components of many industrial processes. Although they vary in size, depending on the application, their operating principles and performance parameters are similar across generic families. Large industrial positive displacement (P.D.) pumps, primarily used in mining, oil and gas industries, deliver significant amounts of flow coupled with very high pressures. However, increasing energy costs and sustainability concerns demand systems re-design to improve their efficiency. Most established forms of PD pumps have duty cycles fixed by the movement of spring loaded valves. One approach to increase their energy efficiency could be to dynamically vary the movement of these valves. To test this hypothesis and quantify any potential benefits a computational model is required. This paper introduces modelling technique used to analytically describe a multi-cylinder positive displacement pump. A hybrid modelling approach is described which incorporates analytical relationships, the results of CFD simulation and experimental values. Results show how different valve actuation responses affect the overall flow rate of the pump. The results presented in the paper clearly indicate future development steps for improved control of positive displacement pumps.

LanguageEnglish
Title of host publicationIEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM
Pages35-41
Number of pages7
Volume2015-August
DOIs
Publication statusPublished - 25 Aug 2015
EventIEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM 2015 - Busan, Korea, Republic of
Duration: 7 Jul 201511 Jul 2015

Conference

ConferenceIEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM 2015
CountryKorea, Republic of
CityBusan
Period7/07/1511/07/15

Fingerprint

Pumps
Gas industry
Energy efficiency
Sustainable development
Computational fluid dynamics
Flow rate
Costs

Keywords

  • pumps
  • PD pumps
  • positive displacement pumps
  • computational model
  • multi-cylinder positive displacement pump
  • hybrid modelling
  • CFD stimulation

Cite this

Josifovic, A., Corney, J., & Davies, B. (2015). Valve dynamics in multi-cylinder positive displacement pump model. In IEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM (Vol. 2015-August, pp. 35-41) https://doi.org/10.1109/AIM.2015.7222505
Josifovic, Aleksandar ; Corney, Jonathan ; Davies, Bruce. / Valve dynamics in multi-cylinder positive displacement pump model. IEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM. Vol. 2015-August 2015. pp. 35-41
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Josifovic, A, Corney, J & Davies, B 2015, Valve dynamics in multi-cylinder positive displacement pump model. in IEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM. vol. 2015-August, pp. 35-41, IEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM 2015, Busan, Korea, Republic of, 7/07/15. https://doi.org/10.1109/AIM.2015.7222505

Valve dynamics in multi-cylinder positive displacement pump model. / Josifovic, Aleksandar; Corney, Jonathan; Davies, Bruce.

IEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM. Vol. 2015-August 2015. p. 35-41.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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N2 - Pumps are critical components of many industrial processes. Although they vary in size, depending on the application, their operating principles and performance parameters are similar across generic families. Large industrial positive displacement (P.D.) pumps, primarily used in mining, oil and gas industries, deliver significant amounts of flow coupled with very high pressures. However, increasing energy costs and sustainability concerns demand systems re-design to improve their efficiency. Most established forms of PD pumps have duty cycles fixed by the movement of spring loaded valves. One approach to increase their energy efficiency could be to dynamically vary the movement of these valves. To test this hypothesis and quantify any potential benefits a computational model is required. This paper introduces modelling technique used to analytically describe a multi-cylinder positive displacement pump. A hybrid modelling approach is described which incorporates analytical relationships, the results of CFD simulation and experimental values. Results show how different valve actuation responses affect the overall flow rate of the pump. The results presented in the paper clearly indicate future development steps for improved control of positive displacement pumps.

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Josifovic A, Corney J, Davies B. Valve dynamics in multi-cylinder positive displacement pump model. In IEEE/ASME International Conference on Advanced Intelligent Mechatronics, AIM. Vol. 2015-August. 2015. p. 35-41 https://doi.org/10.1109/AIM.2015.7222505