Investigating the pumping process of a resonance-vibrating pump for medium-depth boreholes

This paper deals with the pumping process of a resonance-vibrating pump, which utilizes the resonance vibrations of one degree-of-freedom oscillating system. The pump is powered by a mechanical shaker consisting of two counter rotating offset masses and operating in resonance. The study investigates...

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Main Author: I.A. Loukanov
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2007-12-01
Series:Research in Agricultural Engineering
Subjects:
Online Access:https://rae.agriculturejournals.cz/artkey/rae-200704-0009_investigating-the-pumping-process-of-a-resonance-vibrating-pump-for-medium-depth-boreholes.php
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author I.A. Loukanov
author_facet I.A. Loukanov
author_sort I.A. Loukanov
collection DOAJ
description This paper deals with the pumping process of a resonance-vibrating pump, which utilizes the resonance vibrations of one degree-of-freedom oscillating system. The pump is powered by a mechanical shaker consisting of two counter rotating offset masses and operating in resonance. The study investigates the nature of the pumping process and conditions required to achieve pumping action. Equations for the flow rate, pressure developed at ground level or any height above it, the pump efficiency, and the power delivered by the shaker are derived. The analysis of the pumping process revealed that the flow rate of the pump may be maximized either by increasing the acceleration imparted on the oscillating system, and/or by reducing the resonance frequency. It was found that the pressure developed by the pump is independent of the depth of pumping, provided that the same acceleration is imparted, and its efficiency may be increased either by reducing the resonance frequency and/or by increasing the depth of pumping. The preliminary test results about the flow rate and pressure developed at ground level appeared to be close to the values predicted by the proposed theory. Based on the analysis of the theoretical and experimental findings it is concluded that the equations derived in this study may be employed in designing resonance vibrating pumps for a desirable flow rate, pressure, and efficiency in pumping water from a specified depth.
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spelling doaj.art-e53b59293d484304922b469700aee67d2023-02-23T03:47:18ZengCzech Academy of Agricultural SciencesResearch in Agricultural Engineering1212-91511805-93762007-12-0153417218110.17221/1956-RAErae-200704-0009Investigating the pumping process of a resonance-vibrating pump for medium-depth boreholesI.A. Loukanov0Department of Mechanical Engineering, University of Botswana, Gaborone, BotswanaThis paper deals with the pumping process of a resonance-vibrating pump, which utilizes the resonance vibrations of one degree-of-freedom oscillating system. The pump is powered by a mechanical shaker consisting of two counter rotating offset masses and operating in resonance. The study investigates the nature of the pumping process and conditions required to achieve pumping action. Equations for the flow rate, pressure developed at ground level or any height above it, the pump efficiency, and the power delivered by the shaker are derived. The analysis of the pumping process revealed that the flow rate of the pump may be maximized either by increasing the acceleration imparted on the oscillating system, and/or by reducing the resonance frequency. It was found that the pressure developed by the pump is independent of the depth of pumping, provided that the same acceleration is imparted, and its efficiency may be increased either by reducing the resonance frequency and/or by increasing the depth of pumping. The preliminary test results about the flow rate and pressure developed at ground level appeared to be close to the values predicted by the proposed theory. Based on the analysis of the theoretical and experimental findings it is concluded that the equations derived in this study may be employed in designing resonance vibrating pumps for a desirable flow rate, pressure, and efficiency in pumping water from a specified depth.https://rae.agriculturejournals.cz/artkey/rae-200704-0009_investigating-the-pumping-process-of-a-resonance-vibrating-pump-for-medium-depth-boreholes.phpresonance vibrating pumpsdual-shaft shakerspring suspension systemfoot valveoscillating pipewater column
spellingShingle I.A. Loukanov
Investigating the pumping process of a resonance-vibrating pump for medium-depth boreholes
Research in Agricultural Engineering
resonance vibrating pumps
dual-shaft shaker
spring suspension system
foot valve
oscillating pipe
water column
title Investigating the pumping process of a resonance-vibrating pump for medium-depth boreholes
title_full Investigating the pumping process of a resonance-vibrating pump for medium-depth boreholes
title_fullStr Investigating the pumping process of a resonance-vibrating pump for medium-depth boreholes
title_full_unstemmed Investigating the pumping process of a resonance-vibrating pump for medium-depth boreholes
title_short Investigating the pumping process of a resonance-vibrating pump for medium-depth boreholes
title_sort investigating the pumping process of a resonance vibrating pump for medium depth boreholes
topic resonance vibrating pumps
dual-shaft shaker
spring suspension system
foot valve
oscillating pipe
water column
url https://rae.agriculturejournals.cz/artkey/rae-200704-0009_investigating-the-pumping-process-of-a-resonance-vibrating-pump-for-medium-depth-boreholes.php
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