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Research on fast simulation of erosion damage in gas-liquid-solid multiphase flow in tee reducing pipes based on reduced‑order models
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Lijing MU1, Shengxuan HE1, 2, Xiaochen TAN1, 3, Bojun ZHANG4, Guide DENG1, Chongchong ZHANG1, Xizhong CHEN5, Cenfan LIU1
Fluid Machinery | 2026, 54(3) : 99 - 109
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Fluid Machinery | 2026, 54(3): 99-109
Research on fast simulation of erosion damage in gas-liquid-solid multiphase flow in tee reducing pipes based on reduced‑order models
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Lijing MU1, Shengxuan HE1, 2, Xiaochen TAN1, 3, Bojun ZHANG4, Guide DENG1, Chongchong ZHANG1, Xizhong CHEN5, Cenfan LIU1
Affiliations
  • 1Key Laboratory of Special Equipment Safety and Energy‑saving，State Administration for Market Regulation，China Special Equipment Inspection & Research Institute，Beijing 100029，China
  • 2State Key Laboratory of Heavy Oil Processing，China University of Petroleum（Beijing），Beijing 102249，China
  • 3Beijing Key Laboratory of Process Fluid Filtration and Separation，China University of Petroleum（Beijing），Beijing 102249，China
  • 4Nanjing Boiler and Pressure Vessel Inspection Institute，Nanjing 210019，China
  • 5State Key Laboratory of Synergistic Chem⁃Bio Synthesis，Shanghai Jiao Tong University，Shanghai 200240，China
Published: 2026-03-30 doi: 10.3969/j.issn.1005-0329.2026.03.012
Outline
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To address the common failure caused by erosion‑thinning and perforation in industrial pipelines，a rapid prediction and simulation study on erosion damage in tee reducing pipes was carried out based on the POD‑Kriging reduced‑order model.The results show that the established reduced‑order model improves the efficiency of numerical simulation by three orders of magnitude，with the prediction error of erosion damage controlled at approximately 4%.Regularly selected design points can significantly enhance prediction stability，yielding a relative mean absolute error （RMAE） of erosion rate of 2.1%，whereas irregular design points cause the error to surge to 86.6%.Optimization of the number of modes is critical for capturing complex erosion characteristics，and the error decreases to 4.1% when 9 modes are used.The number of design points should be matched coordinately with the number of modes；increasing both simultaneously enables effective capture of the multi‑parameter coupling effect，reducing the erosion rate prediction error from 28.3% to 4.1%.The proposed model provides important support for erosion location prediction，digital inspection and monitoring，as well as damage prevention and control of pressure pipelines.

reduced‑order model  /  tee reducing pipe erosion  /  gas-liquid-solid multiphase flow  /  computational fluid dynamics
穆丽静, 何圣煊, 谭晓晨, 张伯君, 邓贵德, 张冲冲, 陈锡忠, 刘岑凡. 基于降阶模型的气液固多相流管道冲蚀损伤快速仿真研究. 流体机械, 2026 , 54 (3) : 99 -109 . DOI: 10.3969/j.issn.1005-0329.2026.03.012
Lijing MU, Shengxuan HE, Xiaochen TAN, Bojun ZHANG, Guide DENG, Chongchong ZHANG, Xizhong CHEN, Cenfan LIU. Research on fast simulation of erosion damage in gas-liquid-solid multiphase flow in tee reducing pipes based on reduced‑order models[J]. Fluid Machinery, 2026 , 54 (3) : 99 -109 . DOI: 10.3969/j.issn.1005-0329.2026.03.012
Appendix
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Year 2026 volume 54 Issue 3
78
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Article Info
doi: 10.3969/j.issn.1005-0329.2026.03.012
  • Receive Date：2025-10-21
  • Online Date：2026-10-22
  • Published：2026-03-30
Article Data
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History
  • Received：2025-10-21
  • Revised：2026-01-14
Affiliations
    1Key Laboratory of Special Equipment Safety and Energy‑saving，State Administration for Market Regulation，China Special Equipment Inspection & Research Institute，Beijing 100029，China
    2State Key Laboratory of Heavy Oil Processing，China University of Petroleum（Beijing），Beijing 102249，China
    3Beijing Key Laboratory of Process Fluid Filtration and Separation，China University of Petroleum（Beijing），Beijing 102249，China
    4Nanjing Boiler and Pressure Vessel Inspection Institute，Nanjing 210019，China
    5State Key Laboratory of Synergistic Chem⁃Bio Synthesis，Shanghai Jiao Tong University，Shanghai 200240，China
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https://castjournals.cast.org.cn/joweb/ltjx/EN/10.3969/j.issn.1005-0329.2026.03.012
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小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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