Kinematic Viscosity Prediction of Polyalkylene Glycol in a Deep-Sea Environment from Molecular Dynamics

Dingcheng, Xiao; Yipan, Deng; Zhenyao, Wang; Zhiwen, Jiang; Yinshui, Liu

doi:10.1021/acs.jced.3c00432

J. Chem. Eng. Data

2023

DOI: 10.1021/acs.jced.3c00432

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Kinematic Viscosity Prediction of Polyalkylene Glycol in a Deep-Sea Environment from Molecular Dynamics

Xiao Dingcheng,

Deng Yipan,

Wang Zhenyao

et al.

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2024

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Cited by 2 publications

References 62 publications

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Tribocorrosion behavior of GCr15 steel in water–glycol fire-resistant hydraulic fluids (HFC) containing seawater

Wen,

Peng,

Bai

et al. 2024

Journal of Materials Research and Technology

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Tribocorrosion behavior of GCr15 steel in water–glycol fire-resistant hydraulic fluids (HFC) containing seawater

Wen,

Peng,

Bai

et al. 2024

Journal of Materials Research and Technology

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Research on the viscosity characteristics of water glycol hydraulic fluids in deep-sea environment from molecular dynamics

Liu,

Xiao,

Wang

et al. 2024

Physics of Fluids

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The utilization of water glycol as a working medium represents a significant advancement in the realm of deep-sea hydraulic transmission systems. The viscosity of water glycol is a crucial parameter for hydrodynamic lubrication, yet it is profoundly influenced by the environmental conditions of the deep sea. This study employs the TIP4P/2005 water molecule model in conjunction with the optimized potentials for liquid simulations all-atom force field, and non-equilibrium molecular dynamics method to predict the viscosity of water glycol hydraulic fluids with varying compositions under deep-sea conditions. The simulation values agree well with the experimental results. Furthermore, this study introduces a fitting equation that accounts for the effects of composition, temperature, and pressure, enabling the prediction of the viscosity of water glycol hydraulic fluids within the 0–11 000 m sea water environment.

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Kinematic Viscosity Prediction of Polyalkylene Glycol in a Deep-Sea Environment from Molecular Dynamics

Cited by 2 publications

References 62 publications

Tribocorrosion behavior of GCr15 steel in water–glycol fire-resistant hydraulic fluids (HFC) containing seawater

Tribocorrosion behavior of GCr15 steel in water–glycol fire-resistant hydraulic fluids (HFC) containing seawater

Research on the viscosity characteristics of water glycol hydraulic fluids in deep-sea environment from molecular dynamics

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