Abstract
It has been developed the method to calculate the volumetric flow rate for an energy audit investigation of centrifugal pumps with electric drives based on a previously created mathematical model using the principles of electrohydraulic analogy. The energy efficiency of the centrifugal pump was assessed through the implementation of an informative parameter - the load angle. This angle characterizes the operation mode of the power unit. The flow rate of the centrifugal pump due to the head gradient is calculated. The mutual dependence of the pump load angle on its volumetric flow rate is shown. This approach makes it possible to reduce financial costs and technically simplifies the energy audit, as there is no need to purchase an ultrasonic flow meter and its installation. The head characteristics of one of the centrifugal pumps were constructed using the proposed method. In addition, the developed method makes it possible to evaluate the energy efficiency of centrifugal pumps of small and medium power.
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Nykolyn, U., Nykolyn, P. (2023). Calculation Method of the Centrifugal Pump Flow Rate Based on Its Nominal Data and Pump Head Increase. In: Pawelczyk, M., Bismor, D., Ogonowski, S., Kacprzyk, J. (eds) Advanced, Contemporary Control. PCC 2023. Lecture Notes in Networks and Systems, vol 708. Springer, Cham. https://doi.org/10.1007/978-3-031-35170-9_7
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DOI: https://doi.org/10.1007/978-3-031-35170-9_7
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