Ensuring vibration characteristics of reactor plant centrifugal pumping equipment

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Abstract

Requirements of low vibration and low noise level are imposed on reactor plant centrifugal pumping equipment. Computational research of vibration characteristics of centrifugal pumping is required in order to choose the optimal design alternate. Representativeness and adequacy of computational research are ensured by using verified methods of mathematical modeling. The paper presents the results of comparative analysis of various options of centrifugal pump wet end with the hydraulics master data. Hydrodynamic flow analysis was made and pump impeller loads were determined to calculate the pump rotor rotational dynamics. The computational analysis considers the rotor residual unbalance. According to the calculations carried out the pump vibration characteristics were analyzed and compared to those of the prototype pump with low vibration characteristics.

About the authors

D. V. Savchuk

JSC “Afrikantov Experimental Design Bureau of Machine Building”

Author for correspondence.
Email: savchuk_dv@okbm.nnov.ru

Design Engineer

Russian Federation

D. E. Bescherov

JSC “Afrikantov Experimental Design Bureau of Machine Building”

Email: bescherov@okbm.nnov.ru

Design Engineer

Russian Federation

D. A. Kulikov

JSC “Afrikantov Experimental Design Bureau of Machine Building”

Email: kulikov_da@okbm.nnov.ru

Design Engineer

Russian Federation

V. A. Panov

JSC “Afrikantov Experimental Design Bureau of Machine Building”

Email: vapanov@okbm.nnov.ru

Doctor of Science (Engineering), Assistant Head of Department

Russian Federation

V. L. Patrushev

JSC “Afrikantov Experimental Design Bureau of Machine Building”

Email: patrushev@okbm.nnov.ru

Candidate of Science (Engineering),  Main Specialist

Russian Federation

M. S. Porfiriev

JSC “Afrikantov Experimental Design Bureau of Machine Building”

Email: porphirev_ms@okbm.nnov.ru

Design Engineer

Russian Federation

S. A. Soloviev

JSC “Afrikantov Experimental Design Bureau of Machine Building”

Email: solovev_sa@okbm.nnov.ru

Candidate of Science (Engineering), Head of Bureau

Russian Federation

References

  1. Grigor'ev N.V., Belyakovskiy N.G., Dondoshanskiy V.K., Duan N.I., Popkov V.I., Tuzov L.V. Vibratsiya energeticheskikh mashin: spravochnoe posobie [Vibration of Power Machines. Reference Book]. Leningrad: Mashinostroenie Publ., 1974. 464 p.
  2. Pokrovskiy B.V. Shum i vibratsii tsentrobezhnykh nasosov. V sb.: «Trudy VNIIGidromasha». Iss. 41. Moscow: Energiya Publ., P. 17-47. (In Russ.)
  3. Polyakov V.V., Skvortsov L.S. Nasosy i ventilyatory: ucheb. dlya vuzov [Pumps and Fans: Manual for Higher Educational Institutions]. Moscow: Stroyizdat Publ., 1990. 336 p.
  4. De-You Li, Lei Han, Hong-Jie Wang, Ru-Zhi Gong, Xian-Zhu Wei, Da-Qing Qin. Pressure fluctuation prediction in pump mode using large eddy simulation and unsteady Reynolds-averaged Navier-Stokes in a pump-turbine. Advanced in Mechanical Engineering. 2016. V. 8, Iss. 6. doi: 10.1177/1687814016652562
  5. GOST ISO 1940-1-2007. Vibration. Balance quality requirements for rotors in a constant (rigid) state. Part 1. Specification and verification of balance tolerances. Moscow: Standartinform Publ., 2008. 21 p. (In Russ.)

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