failure mechanism of impeller of centrifugal pumps

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failure mechanism of impeller of centrifugal pumps

Category: Research Paper

Subcategory: Bioengineering

Level: Masters

Pages: 14

Words: 3850

Failure Mechanisms of Centrifugal Pump Impeller
[Name of the Writer]
[Name of the Institution]

Pumps are the prime movers in different process industries. Being a backbone of successful plant operations, centrifugal pumps are subjected to some potential risks that can result in impeller failures. Centrifugal pump impellers are highly susceptible to different failures. The core failures discussed includes cavitation, erosion, and corrosion. Each of these major classes of failures is further sub-divided based on their probable causes along with the degree of severity. Cavitation arises by reduction of suction pressure, low inlet fluid flowrate and Net Positive Suction Head Available (NPSHA) less than Net Positive Suction Head Required (NPSHR). Issues related to corrosion are highly diversified and is because of the different mechanism leading to impeller failure. Apart from that, erosion failures are also quite serious and cause serious damage to pumps. Analysis of these core aspects is done through different methodologies that encompass preventive and corrective actions. As part of the preventive action of impeller failure, FMEA (Failure Mode and Effect Analysis) is conducted.
Failure Mechanisms of Centrifugal Pump Impeller
Pumps are one of the prime movers used in different industries based on their applications. The core purpose is to transport fluids (mainly liquids) that can either be slurries or solutions. Centrifugal pumps are categorize…

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