Ang Liu headshot

Ang Liu

Assistant Professor He/him/his

Summary

Ang Liu is an Assistant Professor in the Department of Mining and Metallurgical Engineering at the University of Nevada, Reno. His research focuses on coupled processes in geomechanics, fluid dynamics and thermodynamics, with applications in mine health and safety, sustainable mineral production, and geo-energy transition. Dr. Liu earned his Ph.D. in Energy and Mineral Engineering from Penn State University. Prior to joining the University of Nevada, Reno in 2025, he served as an Assistant Teaching Professor at Penn State University following the completion of his doctoral degree.

Research interests

  • Geomechanics, rock mechanics, and poromechanics
  • Multiphase reactive flow and transport behaviors in porous media
  • Mine ventilation optimization, ground control
  • Mathematical modeling and numerical simulations on coupled processes
  • Rock characterizations and imaging
  • Carbon dioxide sequestration/hydrogen storage in geological formations

Education

  • Ph.D. in Energy and Mineral Engineering, Penn State University, 2021
  • M.Sc. in Mine Safety Science and Engineering, China University of Mining and Technology-Beijing, China, 2018
  • B.Sc. in Mining Engineering, Henan Polytechnic University, China, 2015

Selected publications

  • Liu, A., Sang, G, Liu, S., Li, X., Wang, G., 2025. Transmission of ultrasonic wave across moisture rocks: effects of moisture sorption on velocity variation and attenuation. International Journal of Rock Mechanics and Mining Sciences, 193, paper 106188.
  • Liu, A., Liu, S., Zhang, K., Xia, K., 2024. Competitive sorption of binary CH4-CO2 mixture and its implication for carbon storage in coals. Separation and Purification Technology, 354, 129399.
  • Liu, A., Liu, S., 2024. Evaluation of parameters impacting grey H2 storage in coalbed methane formations. Renewable and Sustainable Energy Reviews, 202, paper 114686.
  • Liu, A., Liu, S., Zhang, R., Sang, G., Xia, K. 2023. Cyclical water vapor sorption-induced structural alterations of mine roof shale. International Journal of Coal Geology, 273, paper 104267.
  • Liu, A., Liu, S., Xia, K., Liu, P., Yang, Y., Wang, G., 2023. Characterizing Anisotropic Swelling Strains of Coal Using Combined Rosette Strain Gauge and CT-Scans. Rock Mechanics and Rock Engineering, 56, 5405-5426.
  • Liu, A., Liu, S., 2023. Hydrogen sorption and diffusion in coals: implications for hydrogen geo-storage. Applied Energy, 334,120746.
  • Liu, A., Liu, S, Wang, K., 2022. Moisture retention and multi-mechanistic transport behavior in nanoporous coal. Langmuir,38:14941-14958.
  • Liu, A., Liu, S., Liu, Y., Liu, B., Liu, T., 2022. Characterizing mechanical heterogeneity of coal at nano-to-micro scale using combined nanoindentation and FESEM-EDS. International Journal of Coal Geology,261,104081.
  • Liu, A., Liu, S., 2022. Mechanical property alterations across coal matrix due to water-CO2 treatments: A micro-to-nano scale experimental study. Energy,248,123575.
  • Liu, A., Liu, S., 2021. A fully-coupled water-vapor flow and rock deformation damage model for shale and coal its application for mine stability evaluation. International Journal of Rock Mechanics and Mining Sciences,146,104880.