Creation of object-oriented model of centrifugal pump on the basis of electro-hydrodynamic analogy method

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Authors:

V.S.Kostyshyn, Dr. Sc. (Tech.), Prof., orcid.org/0000-0001-8606-3931, Ivano-Frankivsk National Technical University Oil and Gas, Ivano-Frankivsk, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

I.I.Yaremak, Cand. Sc. (Tech.), orcid.org/0000-0002-0698-0367, Ivano-Frankivsk National Technical University Oil and Gas, Ivano-Frankivsk, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

P.O.Kurliak, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0001-8113-5211, Ivano-Frankivsk National Technical University Oil and Gas, Ivano-Frankivsk, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

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Abstract:

Purpose. Development of an object-oriented model of a centrifugal pump (CP), which would reflect the constructive features of the structure and processes in it, as well as the simultaneous balance of effort (delivery head and pressure), and flow (flow rates) variables, namely the balance of powers.

Methodology. Applying of the electrohydrodynamic analogy method to the flow diagram of liquid in a centrifugal pump enabled to synthesize the expanded complex equivalent circuit of a CP, spatially combined with its constructive elements.

Findings. The theoretical calculation of the CP performance characteristics according to its directory data for the entire interval of change in the flow rate duty taking into account the physical properties of the working fluid was carried out. Good agreement between the calculated and experimental performance characteristics of the main pump НM-3600-230 is illustrated. The relative error of calculations does not exceed 5‒8 %.

Originality. The developed object-oriented model of the CP takes into account the vortical circulation processes of the motion of the liquid both at the input and output of the rotor wheel (impeller), and in the interblade space. Also, the model adequately reflects the link between the mechanical and hydraulic subsystem of the pump unit at all load modes, and especially in low-load ones, of its flow duty, taking into account its design parameters and physical properties of the working fluid.

Practical value. The object-oriented model of the CP is easily adapted to modern computer-oriented interactive tools (20-sim, Simulink, Pspice, Dymola, etc.) designed to simulate the modes of operation of mechatronic technical systems, which in turn reveals the way for calculation and optimization of the CP power characteristics as an element of a pumping station.

References.

1. Damic, V., & Montgomery, J. (2015). Mechatronics by Bond Graphs An Object-Oriented Approach to Modelling and Simulation 2nd ed., Springer-Verlag Berlin Heidelberg. ISBN-13: 978-3662490020, ISBN-10: 3662490021.

2. Gevorkov, L., Rassõlkin, A., Kallaste, A., & Vaimann, T. (2018). Simulink based model for flow control of a centrifugal pumping system. 25th International Workshop on Electric Drives: Optimization in Control of Electric Drives (IWED), Moscow, Russia, Jan. 2018, (pp. 1–4). https://doi.org/10.1109/IWED.2018.8321399.

3. Kostyshyn, V. S. (2004). Simulation modes of centrifugal pumps based on electrohydraulic analogy. The electronic scientific journal “Oil and Gas Business”, (1), 1-6.

4. Pivnyak, G. G., Zhezhelenko, I. V., Papaika, Y. A., & Ne­sen, L. I. (2016). Transients in Electric Power Supply Systems (5th ed.) Trans Tech Publications Ltd, Switzerland.ISBN-10: 3038357731.

5. Kostyshyn, V. S., & Kurliak, P. O. (2012). Investigation of dynamical operating modes of electric drive centrifugal pumping units with the help of their computer-oriented Bond Graph models. Bulletin of the Vinnitsa Polytechnic Institute, (2), 148-153.

6. Boiko, V. S., & Sotnyk, M. I. (2013). Adequacy of electrical modeling of work processes in a centrifugal pump. Technical electrodynamics, (5), 90-96.

7. Boiko, V. S., & Sotnyk, M. I. (2015). Electrical modeling of workflows in electrical systems of water supply тetworks. Journal of Engineering Sciences2(2), 1-12.

8. Boiko, V. S., & Sotnyk, M. I. (2014). Electromagnetic process in an electric model of a centrifugal pump. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, (3), 91-98.

9. Lysenko, O. A. (2014). Energy saving modes of centrifugal pumps installations with asynchronous engines. Bulletin of the Tomsk Polytechnic University, 325(4), 133-141.

10. Lysyak, V. G., Shelekh, Y. L., & Sabat, M. B. (2017). The steady-state modes of the complex “electrical supply system - pumping station”. Electrotechnic and computer systems, 25(101), 34-43.

11. Korenkova, T. V., & Kovalchuk, V. G. (2013). Identification of parameters of pumping complexes using the energy criterion. Engineering and educational technologies in electrical engineering and computer systems, 1(1), 14-20.

12. Kostyshyn, V. S., & Kurliak, P. O. (2015). Simulation of performance characteristics of centrifugal pumps by the electro-hydrodynamic analogy method. Journal of Hydrocarbon Power Engineering, 2(1), 24-31.

13. Sayed Ahmed Imran Bellary, & Abdus Samad (2015). Numerical Analysis of Centrifugal Impeller for Different Viscous Liquids. International Journal of Fluid Machinery and Systems, 8(1), 36-45. https://doi.org/10.5293/IJFMS.2015.8.1.036.

14. Ravi Shastri, Anjani Kumar Singh, & Manish Kumar Singh (2014). Analysis About Losses of Centrifugal Pump by Matlab. International Journal of Computational Engineering Research (IJCER), 04(9), 12-22.

15. Volk, M. (2013). Pump Characteristics and Applications (3rd Ed.). CRC Press.

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