Structural characteristics of twin-screw compressor rotor based on thermal-solid coupling method
High-temperature gas will cause stress and deformation of the rotor during the operation of the twin-screw compressor, which will affect the structural performance of the screw rotor. Based on the CFD/CSD coupling solution technology, the method of thermal solid numerical analysis is developed. The...
Main Authors: | , , , , |
---|---|
Format: | Article |
Language: | English |
Published: |
JVE International
2020-09-01
|
Series: | Journal of Vibroengineering |
Subjects: | |
Online Access: | https://www.jvejournals.com/article/21293 |
id |
doaj-2d7683b5266248468010eaefa445c378 |
---|---|
record_format |
Article |
spelling |
doaj-2d7683b5266248468010eaefa445c3782020-11-25T03:51:25ZengJVE InternationalJournal of Vibroengineering1392-87162538-84602020-09-012261534154610.21595/jve.2020.2129321293Structural characteristics of twin-screw compressor rotor based on thermal-solid coupling methodTuolei Li0Junli Wang1Shuai Lei2Wensheng Zhang3Zhigui Ren4School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, 723000, ChinaSchool of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, 723000, ChinaSchool of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, 723000, ChinaSchool of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, 723000, ChinaSchool of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, 723000, ChinaHigh-temperature gas will cause stress and deformation of the rotor during the operation of the twin-screw compressor, which will affect the structural performance of the screw rotor. Based on the CFD/CSD coupling solution technology, the method of thermal solid numerical analysis is developed. The fluid control equations are time-averaged differential equations, and the turbulence model is a two-equation Realizable K-ε model. The thermal deformation and thermal stress of the rotor are obtained by solving the structural static equilibrium equation. The reliability of the proposed method is verified by solving the thermal deformation of the L-shaped large-diameter buried pipeline. Finally, the thermal deformation and thermal stress of the rotor under different exhaust pressures and different speeds are mainly studied. Through simulation analysis, the variation law of rotor deformation, stress and modal under different temperature fields of the compressor is obtained, which can provide a certain theoretical reference for the compressor structural design and optimization.https://www.jvejournals.com/article/21293twin screw compressorcfd/csdturbulence modeltemperature field |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Tuolei Li Junli Wang Shuai Lei Wensheng Zhang Zhigui Ren |
spellingShingle |
Tuolei Li Junli Wang Shuai Lei Wensheng Zhang Zhigui Ren Structural characteristics of twin-screw compressor rotor based on thermal-solid coupling method Journal of Vibroengineering twin screw compressor cfd/csd turbulence model temperature field |
author_facet |
Tuolei Li Junli Wang Shuai Lei Wensheng Zhang Zhigui Ren |
author_sort |
Tuolei Li |
title |
Structural characteristics of twin-screw compressor rotor based on thermal-solid coupling method |
title_short |
Structural characteristics of twin-screw compressor rotor based on thermal-solid coupling method |
title_full |
Structural characteristics of twin-screw compressor rotor based on thermal-solid coupling method |
title_fullStr |
Structural characteristics of twin-screw compressor rotor based on thermal-solid coupling method |
title_full_unstemmed |
Structural characteristics of twin-screw compressor rotor based on thermal-solid coupling method |
title_sort |
structural characteristics of twin-screw compressor rotor based on thermal-solid coupling method |
publisher |
JVE International |
series |
Journal of Vibroengineering |
issn |
1392-8716 2538-8460 |
publishDate |
2020-09-01 |
description |
High-temperature gas will cause stress and deformation of the rotor during the operation of the twin-screw compressor, which will affect the structural performance of the screw rotor. Based on the CFD/CSD coupling solution technology, the method of thermal solid numerical analysis is developed. The fluid control equations are time-averaged differential equations, and the turbulence model is a two-equation Realizable K-ε model. The thermal deformation and thermal stress of the rotor are obtained by solving the structural static equilibrium equation. The reliability of the proposed method is verified by solving the thermal deformation of the L-shaped large-diameter buried pipeline. Finally, the thermal deformation and thermal stress of the rotor under different exhaust pressures and different speeds are mainly studied. Through simulation analysis, the variation law of rotor deformation, stress and modal under different temperature fields of the compressor is obtained, which can provide a certain theoretical reference for the compressor structural design and optimization. |
topic |
twin screw compressor cfd/csd turbulence model temperature field |
url |
https://www.jvejournals.com/article/21293 |
work_keys_str_mv |
AT tuoleili structuralcharacteristicsoftwinscrewcompressorrotorbasedonthermalsolidcouplingmethod AT junliwang structuralcharacteristicsoftwinscrewcompressorrotorbasedonthermalsolidcouplingmethod AT shuailei structuralcharacteristicsoftwinscrewcompressorrotorbasedonthermalsolidcouplingmethod AT wenshengzhang structuralcharacteristicsoftwinscrewcompressorrotorbasedonthermalsolidcouplingmethod AT zhiguiren structuralcharacteristicsoftwinscrewcompressorrotorbasedonthermalsolidcouplingmethod |
_version_ |
1724487929997295616 |