Abstract
In order to study the change rules of interior acoustic field with the development of cavitation, this article presented a method that through comparing the experiment results with numerical simula...
Highlights
As an important energy conversion equipment and fluid transportation equipment, centrifugal pumps are widely used in various fields, such as submarines, aerospace, and other advanced technology fields.[1,2,3] Cavitation, which has been restricted to the development of the pump industry, presents unwanted consequence
The cavities collapsing lose to a solid component that sprayed specific paint and if the amplitude of the resulting pressure pulse is larger than the limit of the paint allowable strength, several micrometers called ‘‘pit’’ will be formed on the surface; the method called determination of coating erosion is a original method for cavitation judgment
In order to compare the effects of cavitation on the main characteristic frequencies and different frequency bands of different monitoring points and quantitatively analyze the accuracy of fluid-acoustic coupling method simulating on noise of cavitation flow, more conditions are selected in the vicinity around P2 to P3
Summary
As an important energy conversion equipment and fluid transportation equipment, centrifugal pumps are widely used in various fields, such as submarines, aerospace, and other advanced technology fields.[1,2,3] Cavitation, which has been restricted to the development of the pump industry, presents unwanted consequence. This article mainly focuses on the character changing laws of centrifugal pump by experiment investigation combining with numerical simulation to research the pressure pulsation and interior noise during the development of cavitation.
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