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Rodynamic Pump Essay

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A REVIEW ABOUT THE DIAGNOSTICS OF ROTODYNAMIC PUMP USING VIBRO-ACOUSTIC METHOD ABSTRACT A rotodynamic pump comprises of axial, mixed and radial flow impeller which are used in various applications such as irrigation, drinking water supply system, drainage, energy, process industries and in many other technical areas. They form the heart of industrial civilization. Their trouble-free operation, like our heart is essential to avoid a situation leading to the total closure of the concerned industrial activity. The abundant improvements in the design and performance of rotodynamic pumps are still insufficient to claim perfection in the agreement of theory and practice. As the technology increases, the demand for monitoring system for any machines increases to have optimum performance with optimum resources. In this paper, the vibration and noise associated with centrifugal pumps were reviewed and a method was proposed to obtain vibration and noise from pump to identify the status of pump whether it operates in normal or abnormal condition. Keywords: Rotodynamic Pump, bep, Centrifugal Pump, Noise and Vibration ? INTRODUCTION The noise of the pump is provoked by fluctuations of …show more content…

2, it infers that operating point plays a vital role in life of pumps. When cavitation within the pump occurs, an additional noise generation mechanism appears - the so called cavitation noise having a characteristic crackling or hissing noise. Cavitation noise is produced by the pulsation waves of bubbles and by the collapse (implosion) of the vapour bubbles at the moment when they enter the region of high pressure. It is necessary to know the condition of pump while running. In order to find out the operating point, a system as to be adapted with vibration and noise measurement incorporated in the pumping system. In general vibration and noise monitoring program is a common means of protecting mechanical equipment from catastrophic failures and to have optimum

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