Advancing methodology to specify cavitation characteristic of screw-type centrifugal pumps

9th International Multidisciplinary Scientific and Research Conference "Modern Issues in Science and Technology" Workshop "Advanced Technologies in Aerospace, Mechanical and Automation Engineering"

自然科学;工业技术

Nazarov, Vladimir^1 ; Zuev, Alexader^1 ; Nazarova, Larissa^1 ; Savelyeva, Marina^1

Reshetnev Siberian State University of Science and Technology, Krasnoyarsky Rabochy Av. 31, Krasnoyarsk

660037, Russia^1

关键词: Cavitation characteristics;    Cavitation conditions;    Data logging systems;    High rate;    Labour intensity;    Pump operation;    Screw type centrifugal pump;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/450/2/022001/pdf
DOI  :  10.1088/1757-899X/450/2/022001

来源: IOP

【 摘 要 】

The research proposes a methodology of high-rate cavitation tests significantly decreasing testing period as well as increasing the accuracy of specifying a cavitation characteristic. To specify it, the tests without holding up consumption are conducted; however, at the pump inlet the rate to minimize pressure is increased. To decrease a test discrepancy, the data logging system is introduced. The research determines the high-rate pressure decreases without holding up consumption; it does not impact the accuracy to specify the cavitation characteristic and minimizes pump operation under the cavitation conditions diminishing erosive action. Automation significantly minimizes labour intensity during tests and improves the accuracy.