Finite element analysis (FEA) of membrane coupling stress under gas pumping unit shafts misalignment
https://doi.org/10.30724/1998-9903-2025-27-3-174-186
Abstract
The Purpose. The purpose of this work is to develop a program that uses the finite element method to analyze the stress-strain state of a membrane coupling capable of compensating for axial, angular, and radial misalignments of the shafts in a gas pumping unit.
Methods. The finite element method of the ANSYS software package underpins the algorithm’s development.
Results. The article describes the relevance of the topic and examines the features and advantages of the chosen membrane coupling design. The developed universal numerical algorithm allows to estimate the strength of the coupling structure transmitting torque, made of various materials. The program helps to find zones of increased stress and extreme values of rotation speed, as well as the ability to compensate for the misalignment of the turbine and supercharger shafts. The program allows you to quickly change the initial geometric parameters with automatic construction of a new 3D model.
Conclusions. This research focuses on improving the efficiency and reliability of gas pumping units and the gas transmission system. Calculation results confirmed the claimed properties of the membrane coupling under various operating conditions, including its ability to compensate for shaft misalignment. Further program development will involve analyzing stresses from the variable (cyclic) component of the torque, and constructing a mathematical model of the shaft line vibrations, taking into account bearing damping.
About the Authors
O. V. Kleidman
Kazan State Power Engineering University
Russian Federation
Russian Federation
Olga V. Kleidman
Kazan
I. N. Maslov
Kazan State Power Engineering University
Russian Federation
Russian Federation
Igor N. Maslov
Kazan
N. V. Nikolaeva
Kazan State Power Engineering University
Russian Federation
Russian Federation
Nadezhda V. Nikolaeva
Kazan
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For citations:
Kleidman O.V., Maslov I.N., Nikolaeva N.V. Finite element analysis (FEA) of membrane coupling stress under gas pumping unit shafts misalignment. Power engineering: research, equipment, technology. 2025;27(3):174-186. (In Russ.) https://doi.org/10.30724/1998-9903-2025-27-3-174-186
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