The Problem of Connecting a Positive Displacement Piston Pump to a PV Array — An Approach to a Solution

An investigation of water-based reciprocating triplex piston pump was conducted to propose a low cost solution for the substitution of the traditional oil hydraulics to water hydraulics. Triplex pumps used in this investigation as the water hydraulics require continuous pumping. These pumps are capable of handling a wide range of fluid types, including corrosive fluids, abrasive fluids, and slurries containing relatively large particulates. Thus, an evaluation of the triplex pump using a simple simulation process that focuses on the volumetric efficiency has been conducted in order to understand its ability in energy-efficient system. In this paper, the results of a simulated study of a positive displacement triplex piston pump are presented. The result concludes that the use of water is relatively efficient if the slip factor is maintained to 0.003, with the system pressure is set from 10 to 40 bar.

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Design, Construction and Evaluation of a Multi-piston Pump

International Journal of Technology and Management Research ◽

10.47127/ijtmr.v1i5.43 ◽

2020 ◽

Vol 1 (5) ◽

Author(s):

Clement Nyamekye ◽

Ofosu Samuel Anim ◽

Aboagye Marcos

Keyword(s):

Piston Pump ◽

Linear Type ◽

Design Procedures ◽

Positive Displacement ◽

Riser Pipe ◽

The People ◽

Discharge Velocity ◽

Displacement Pump ◽

Dug Wells ◽

Design Construction

The multi-piston pump, is a linear type of positive displacement pump, working on the principle of direct lift. The height to which the pump can directly lift the water is primarily controlled by factors that include the capacity of the operator, the clearance between the washers and the riser pipe and the speed of the washers. The materials for the construction of this pump can be obtained locally, even from the dump sites, hence its nickname “the pump from the dump”. It would not only serve as a means of lifting water easily, but will also improve the standard of living of the people. This pump could be an option for pumping water in relatively remote and deprived areas. This study highlights on the design, construction and evaluation of multi-piston pump. The pump went through vigorous design procedures and construction stages. The detailed working drawings of the pump were produced and constructions work carried out. Equations were established in order to know how the whole system behaves. It can be deduced from the study that pump discharge is influenced by piston diameter and the distance between the pistons. This pump can be used for small-irrigation schemes. Keywords: Pump; Hand-dug wells; Pipes; Discharge; Velocity.

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The Suction Dynamics of Positive Displacement Axial Piston Pumps

Journal of Dynamic Systems Measurement and Control ◽

10.1115/1.2899221 ◽

1994 ◽

Vol 116 (2) ◽

pp. 281-287 ◽

Cited By ~ 24

Author(s):

R. M. Harris ◽

K. A. Edge ◽

D. G. Tilley

Keyword(s):

High Speed ◽

Piston Pump ◽

Axial Piston Pump ◽

Axial Piston Pumps ◽

Positive Displacement ◽

High Speeds ◽

Suction Line ◽

Pump Inlet ◽

Suction Performance ◽

Axial Piston

The suction dynamics of axial piston pumps become more critical if the pump is to be used at high speeds. In order to prevent air-release and cavitation from occurring within the pump it is necessary to pressurise the pump inlet. As the speed of a pump is increased, higher boost pressures are required, due to the extra losses incurred through the suction line and portplate at the higher flowrates. However, the lack of data regarding axial piston pump behavior at high speeds creates problems for the system designer in selecting suitable boost conditions and for the pump designer in selecting the portplate configuration that is required to reduce fluid-borne-noise levels. This paper discusses the suction performance of piston pumps, and presents experimental and simulation results exploring the behavior of a high-speed axial-piston pump. Different air-release and cavitation models that are suitable for simulation studies are investigated.

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