Review article: Hadal-zone gearbox multi-physics lubrication dynamics: synergistic effects of hydrostatic pressure and thermal suppression

Wang, Yongmei; Wang, Xigui; Ruan, Jiafu; Chen, Xi; Zou, Weiqiang

doi:10.5194/ms-17-525-2026

Articles | Volume 17, issue 1

https://doi.org/10.5194/ms-17-525-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/ms-17-525-2026

© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 17, issue 1

Review article

|

12 May 2026

Review article |

| 12 May 2026

Review article: Hadal-zone gearbox multi-physics lubrication dynamics: synergistic effects of hydrostatic pressure and thermal suppression

Yongmei Wang, Xigui Wang, Jiafu Ruan, Xi Chen, and Weiqiang Zou

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Sep 2026	0

Latest update: 02 Sep 2026

Short summary

This study examines deep-sea gear lubrication challenges under extreme conditions, including high pressure, with a focus on EHL (elasto-hydrodynamic lubrication) theory and interface texturing advances. Critical gaps remain in multi-physics coupling and synergistic texture-coating interactions. The paper proposes a research roadmap integrating multi-scale modelling, surface engineering optimization, experimental validation, and industrial implementation to enable robust deep-sea transmission systems.