Does cavitation in a centrifugal pump cause axial vibration or radial vibration?
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Does cavitation in a centrifugal pump cause axial vibration or radial vibration?
I only know that severe cavitation can cause vibration, but what about axial and radial vibrations? Please advise, experts
It should be radial; cavitation mainly manifests itself on the blades. Speculative!
Cavitation in centrifugal pumps can cause radial vibration
This is a very profound question; it’s a complex mechanical issue. I believe that vibration isn’t purely axial or radial – since vibration certainly involves both axial and radial components, it’s just that one of these directions is more prominent.
If that’s the case, then what’s the point of analyzing axial and radial vibrations? The vibrations caused by issues such as rotor imbalance and cavitation in rotating equipment are certainly distinct from one another, which makes it possible to determine what exactly is causing the fault
The cavitation in the pump is very severe; it can cause perforations and damage to the impeller, as well as significant vibration of the entire pump. This issue needs to be addressed as soon as possible. First, determine the cause of the cavitation – whether it is due to a pump located at a high level or a low level, or whether air is entering through the gaskets or because of the pump’s location at a high level. Release air from the pump’s air release valve, and it is essential to identify the root cause; otherwise, the consequences can be serious.
This vibration should be a composite vibration pattern; it won’t be exactly as we imagine—it won’t be purely radial or axial； In reality, the vibration at any given moment can be broken down into radial and axial components; it’s just that the direction in which this decomposition occurs predominates, and that becomes the main influencing factor.
Both should be present; it can be determined by looking at the forces acting on the impeller – the radial component is larger
Should the vibrations caused by cavitation be distinguished based on the design of the impeller? For example, I think the cavitation in axial flow pumps results in axial vibrations, while in centrifugal pumps it leads to radial vibrations; it mainly depends on how the impeller functions
In most cases, the radial vibration is large, because the axial stiffness of most pumps is much higher than their radial stiffness.