EN
Erosive-abrasive wear modeling of a water jet pump in a slurry medium
Abstract
In the study, water jet pump transfers the slurry in the well through pipe system to centrifugal pump. Sand-water mixture causes amount of material loss in the water jet pump structure computed by a software program. The purpose of the study is to determine the most critical part in the water jet pump. The wear amount is affected by many parameters such as sand particle diameter, mass flow rate of abrasive and inlet velocity. So, it is investigated that the wear amount on the jet pump is changed according to sand percentage in the well water, inlet velocity and erodent diameter. Mass flow rates of sand have a value of 0.097 kg/s for w.p. % 5, 0.194 kg/s for w.p. % 10, 0.291 kg/s for w.p. % 15 at an inlet velocity of 3.98 m/s. The maximum erosion wear rate is raised from 2.26x10-4 kg/(s m2) to 6.84x10-8 kg/s2m2 for inlet velocities of 1.99 m/s, 3.98 and 7.96 m/s, respectively for the case of weight percentages of %15 in Finnie erosion wear model. Finnie, Mclaury, Generic and Oka erosion models have been compared. It is found that Mclaury’s erosion model demonstrates the highest erosion value of 1.38x10-3 kg/(s m2) for w.p. % 15 at 3.98 m/s inlet velocity for the erodent diameter of 0.0005m in all. It is claimed that erosive wear has been concentrated on the nozzle of the water jet pump. The wear rate can be predicted as straightforwardly for different conditions.
Keywords
References
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Details
Primary Language
English
Subjects
Numerical Methods in Mechanical Engineering
Journal Section
Research Article
Early Pub Date
October 13, 2024
Publication Date
December 20, 2024
Submission Date
June 24, 2024
Acceptance Date
August 22, 2024
Published in Issue
Year 2024 Volume: 8 Number: 4