Masoud Hatami Garousi

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1. Introduction Centrifugal pumps are important in oil, gas, and other industries. Therefore, knowledge and understanding of the behavior of these types of pumps are essential. Experimental tests are a suitable method for troubleshooting devices. For example, measuring and identifying different vibration frequencies related to the pump impeller, rotating shafts, and bearings is a crucial test in diagnosing potential issues and ensuring the efficient and reliable operation of the pump.