Work

Study on the influence of sliding bearing stiffness on the dynamic response of hydro-generator shaft

Year: 2025

Type: article

Abstract: The dynamic modeling of the main shaft system of a hydro turbine generator is carried out by considering the combined effects of unbalanced mass force, magnetic pull force, hydrodynamic force and oil film force of the sliding bearing, its critical rotational speed is obtained, the effect of the sliding bearing stiffness at each journal on the critical rotational speed of the whole shaft system is evaluated, and the method is proposed to improve the stability of the hydro turbine generator by changing it, and the validity is demonstrated by the field test results.

Source: International Journal of Applied Mechanics and Engineering

DOI: 10.59441/ijame/208195

Authors: Yongjae Ri, Sunghyon Ryang, Gukhyon Ryong

Language: English

Topic: Gear and Bearing Dynamics Analysis

Subfield: Mechanical Engineering

Field: Engineering

Domain: Physical Sciences

SDGs: Affordable and clean energy, Industry, innovation and infrastructure

Open Access status: gold

Estimated APC paid: $200

OpenAlex ID: W4413903513