The Problem of Erosive Wear in Turbomachinery

The problems of the influence of erosive wear during the operation of turbomachines are considered, in particular centrifugal compressors at gas booster stations, where erosive wear of components and assemblies of the flow path is encountered. It has been revealed that erosion has a particularly significant effect on impellers. It has been determined that the gradual wear of impellers leads to a deterioration of compressor performance and also affects the durability and reliability of the entire system as a whole, which makes the study of the erosion process especially relevant. A review of the development of mathematical models of the erosive wear process is carried out, and the main dependencies are presented. In addition, a review of publications on the topic of erosive wear of turbochargers is performed. The sequence of modeling erosive wear in turbomachines is presented, and the impellers of centrifugal compressors subjected to erosive wear are investigated. The obtained results made it possible to identify the zones of the most severe damage to the impeller blade walls caused by erosive particles. Conclusions are drawn on the necessity of taking into account the influence of erosion by mechanical particles on the impellers of centrifugal compressors for a correct assessment of service life and reliability.
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References

[1] STO Gazprom 2-3.5-138–2007. Tipovye tekhnicheskie trebovaniya k gazoturbinnym gpa i ikh sistemam [Standard technical requirements for gas turbine gas pumping units and their systems]. Moscow, Gazprom Publ., 2007. 35 p. (In Russ.).

[2] Berdnik A.N., Isyanov A.D. Increasing the efficiency of natural gas purification from mechanical impurities and liquid at the compressor station of the main gas pipeline. Uchenye zametki TOGU [Scientists Notes PNU], 2024, vol. 15, no. 4. URL: https://togudv.ru/ejournal/pub/articles/3379/ (in Russ.).

[3] Harris P.K. Erosion in centrifugal compressor impellers. Ph.D. thesis. Cranfield university school of mechanical engineering, 1996. URL: http://dspace.lib.cranfield.ac.uk/handle/1826/10622

[4] Finnie I. Erosion of surfaces by solid particles. Wear, 1960, vol. 3, no. 2, pp. 87–103, doi: https://doi.org/10.1016/0043-1648(60)90055-7

[5] Bitter J.G.A. A study of erosion phenomena part I. Wear, 1963, vol. 6, no. 1, pp. 5–21, doi: https://doi.org/10.1016/0043-1648(63)90003-6

[6] Bitter J.G.A. A study of erosion phenomena part II. Wear, 1963, vol. 6, no. 3, pp. 169–190, doi: https://doi.org/10.1016/0043-1648(63)90073-5

[7] Tilly G.P. A two stage mechanism of ductile erosion. Wear, 1973, vol. 23, no. 1, pp. 87–96, doi: https://doi.org/10.1016/0043-1648(73)90044-6

[8] Hutchings I.M. A model for the erosion of metals by spherical particles at normal incidence. Wear, 1981, vol. 70, no. 3, pp. 269–281, doi: https://doi.org/10.1016/0043-1648(81)90347-1

[9] Oka Y.I., Okamura K., Yoshida T. Practical estimation of erosion damage caused by solid particle impact. Part 1: Effects of impact parameters on a predictive equation. Wear, 2005, vol. 259, no. 1–6, pp. 95–101, doi: https://doi.org/10.1016/j.wear.2005.01.039

[10] Oka Y.I., Yoshida T. Practical estimation of erosion damage caused by solid particle impact. Part 2: Mechanical properties of materials directly associated with erosion damage. Wear, 2005, pp. 102–109, doi: https://doi.org/10.1016/j.wear.2005.01.040

[11] McLaury B.S., Shirazi S., Shadley J.R. et al. Modeling erosion in chokes. In: Proceeding of ASME fluids engineering division summer meeting. ASME, 1996, vol. 236, pp. 773–781.

[12] Grant G., Tabakoff W. Erosion prediction in turbomachinery resulting from environmental solid particles. J. Aircraft, 1975, vol. 12, no. 5, pp. 471–478, doi: https://doi.org/10.2514/3.59826

[13] Kalashnikov D.A., Borisov Yu.A., Chernyshev A.V. Combined method for calculating the average flow centrifugal compressor stage. Izvestiya vysshikh uchebnykh zavedeniy. Mashinostroenie [BMSTU Journal of Mechanical Engineering], 2022, no. 2, pp. 53–64, doi: https://doi.org/10.18698/0536-1044-2022-2-53-64 (in Russ.).

[14] Ibragimov V.E., Chernyshev A.V. [Modeling of centrifugal compressor impeller erosion process]. Budushchee mashinostroeniya Rossii. Sb. dok. XVII Vseros. konf. [Future of Russian Machine Building. Proc. XVII Russ. Conf.]. Moscow, Bauman MSTU Publ., 2025, pp. 390–394. (In Russ.).

[15] Elfeki S., Tabakoff W. Erosion study of radial flow compressor with splitters. ASME J. Turbomach., 1987, vol. 109, no. 1, pp. 62–69, doi: https://doi.org/10.1115/1.3262071