Four-run Test Methods for Determining the Mass and Aerohydrodynamic Imbalance of a Propeller
DOI:
https://doi.org/10.32515/2664-262X.2026.13(44).108-116Keywords:
propeller, balancing, aircraft, swimming apparatus, balancing device, ground effectAbstract
A new optimal method for separately determining the mass and aerohydrodynamic unbalance of a fixed-pitch propeller is theoretically substantiated. For this purpose, it is proposed to start the propeller four times: the first three times under normal propeller operating conditions, as in the three-trial run method; the fourth time - under changed conditions, under which only the aerohydrodynamic component of the propeller unbalance changes. A propeller can be an air or marine propeller. An air propeller has an aerodynamic component of unbalance, and a marine propeller has a hydrodynamic component.
The changed operating conditions of the propeller are provided by: changing the density of air, gas or liquid; using reverse rotation of the propeller; using the ground effect. In particular, the change in density is achieved by replacing the working medium with a medium with a different density or by changing its temperature or pressure.
The aerohydrodynamic unbalance of the propeller is estimated by the mass equivalent and is determined for the operating mode of the propeller.
The developed method is optimal because it requires a minimum number of propellers starts to determine the specified imbalances. The developed method is applicable at the stages of manufacturing or repairing bladed propellers for balancing or rejection.
References
Список літератури
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References
1. Darlow, M.S. Review of Literature on Rotor Balancing. In: Balancing of High-Speed Machinery. Mechanical Engineering Series. Springer, New York, NY. 1989, pp. 39-52. https://doi.org/10.1007/978-1-4612-3656-6_3
2. Foiles, W.C., Allaire, P. E., Gunter, E. J., Review: Rotor Balancing. Shock and Vibration. 1998, Vol. 5. Issue 5-6, 648518, pp. 325-336. https://doi.org/10.1155/1998/648518
3. Ibraheem, A., Ghazaly, N., Abd el- Jaber, G. (2019). Review of Rotor Balancing Techniques. American Journal of Industrial Engineering, Vol. 6, Issue 1, pp. 19–25. URL: https://www.sciepub.com/ajie/abstract/11311
4. Li, L., Cao, S., Li, J., Nie, R., Hou L. Review of Rotor Balancing Methods. Machines, 2021. Vol. 9, Issue 5: 89. https://doi.org/10.3390/machines9050089
5. Everett L.J. (1997). Optimal Two-Plane Balance of Rigid Rotors. Journal of Sound and Vibration, 1997. Vol. 208, Issue 4, pp. 656–663. https://doi.org/10.1006/jsvi.1997.1211
6. Xu, X. and Fan, P. Rigid Rotor Dynamic Balancing by Two-Plane Correction with the Influence Coefficient Method Applied Mechanics & Materials, 2013, Vols. 365-366, pp. 211-215 https://doi.org/10.4028/www.scientific.net/AMM.365-366.211
7. Filimonikhin G., Ostapchuk Y., Sokalska Y. Modernization of the Influence Coefficient Method for Determining the Dynamic Unbalance of a Rigid Two-support Rotor. Central Ukrainian Scientific Bulletin. Technical Sciences. 2025. Issue 12(43), Part I, 126-132. https://doi.org/10.32515/2664-262X.2025.12(43).1.126-132 [in Ukrainian].
8. Best, S. (1945). Propeller Balancing Problems. SAE Transactions, 53, 648–659. http://www.jstor.org/stable/44467824
9. Majumder, P., Maity, S. (2022). A critical review of different works on marine propellers over the last three decades. Ships and Offshore Structures, 18(3), 391–413. https://doi.org/10.1080/17445302.2022.2058767
10. Filimonikhin, G., Olijnichenko, L. (2015). Investigation of the possibility of balancing aerodynamic unbalance of the impeller of the axial fan by correction of masses. Eastern-European Journal of Enterprise Technologies, 5(7(77)), 30–35. http://dx.doi.org/10.15587/1729-4061.2015.51195 [in Ukrainian].
11. Filimonikhin, G., Filimonikhina, I., Bilyk, Y., Krivoblotsky, L., & Machok, Y. (2021). Theoretical study into the aerodynamic unbalance of a propeller blade and the correcting masses this balance it. Eastern-European Journal of Enterprise Technologies, 4(7(112), 60–66. https://doi.org/10.15587/1729-4061.2021.238289
12. Bertelè, M., & Bottasso, CL (2022). Automatic detection and correction of aerodynamic and inertial rotor unbalances in wind turbine rotors. Journal of Physics: Conference Series, 2265. DOI https://doi.org/10.1088/1742-6596/2265/3/032100
13. Filimonikhin G., Ostapchuk Y., Sokalska Y., Olijnichenko L., Pirogov V. Justification of Methods for Determining Mass and Aerodynamic (Hydrodynamic) Unbalances of a Propeller. Central Ukrainian Scientific Bulletin. Technical Sciences. 2025. Issue 12(43), Part II, 87-101. https://doi.org/10.32515/2664-262X.2025.12(43).2.87-101
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15. Method for determining propeller imbalances: utility model patent 159842 Ukraine: IPC G01M 1/12, G01M1/22 (2006.01). No. u202500166; appl. 14.01.2025; publ. 09.07.2025, Bull. No. 28/2025 [in Ukrainian].
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17. Method for determining propeller imbalances: utility model patent 159914 Ukraine: IPC G01M 1/12, G01M 1/22 (2006.01). No. u202500164; appl. 14.01.2025; publ. 16.07.2025, Bull. No. 29/2025 [in Ukrainian].
18. Method for determining propeller imbalances: utility model patent 159841 Ukraine: IPC G01M 1/12, G01M 1/22 (2006.01). No. u202500163; appl. 14.01.2025; publ. 09.07.2025, Bull. No. 28/2025 [in Ukrainian].
19. Method for determining propeller imbalances: utility model patent 162030 Ukraine: IPC G01M 1/12, G01M 1/22 (2006.01). No. u202503872; appl. 11.08.2025; publ. 04.02.2026, Bull. No. 5/2026 [in Ukrainian].
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Copyright (c) 2026 Gennady Filimonikhin, Irina Filimonikhina, Lyubov Olijnichenko, Yulia Sokalska, Yulia Ostapchuk
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