People_

Dr Arman Siahvashi

PhD
Sydney Horizon Fellow (Lecturer)
ARC DECRA Fellow
School of Aerospace, Mechanical, and Mechatronic Engineering

Email

arman.siahvashi@sydney.edu.au

Address

J07 - Mechanical Engineering Building

The University of Sydney

Details

Member of The Net Zero Institute

Member of The University of Sydney Nano Institute

Websites

Google Scholar

School of Aerospace, Mechanical, and Mechatronic Engineering

Biographical details

Dr Arman Siahvashi is a Sydney Horizon Fellow (Lecturer) in the School of Aerospace, Mechanical and Mechatronic Engineering, Faculty of Engineering, University of Sydney. In addition to his prestigious Horizon Fellowship, he holds an ARC DECRA fellowship developing Australia’s first high-efficiency, modular and low-cost hydrogen liquefaction and storage system.

Research interests

Hydrogen production, liquefaction and storage

Cryogenics and liquefaction processes (high-pressure and flammable systems)

Fluid properties and thermodynamics

Zero emission aviation and liquid hydrogen propulsion

Fluid & energy systems and processes (hydrogen, natural gas, ammonia, CO2, helium etc.)

Fusion energy (mixed refrigerants, superconductive materials and HTS magnets)

Catalysis and reaction engineering

Control system and automation

Process design and simulation

Water and gas treatment

Current projects

High-Efficiency, Modular and Low-Cost Hydrogen Liquefaction and Storage, Australian Research Council, Discovery Early Career Researcher Award (DE240100863)

Awards and honours

Australia National Measurement Institute: Measurement Impact Award and People’s Choice Award, 2024
American-Australian Association Award (MIT), 2024
MIT Energy Initiative-Chevron Award, 2023
Fulbright Scholarship (MIT), 2022
Early Career Scientist of the Year (Premier’s Science Awards, Western Australia), 2021
40 Under 40 Award (WA), 2021
Medal from Hon. Kim Beazley (WA Governor) for science excellence and community impact, 2020
International Association of Chemical Thermodynamics Prize, 2020
One of the Australia’s Most Innovative Engineers (Engineers Australia), 2019
Innovator of the Year, (finalist). Invention: CryoSolids Sensor - Rapid Detection of Solid Freeze-out in LNG Production (WA Government), 2019
Student Scientist of the Year (Premier’s Science Awards, Western Australia), 2018
Australia National Measurement Institute Prize for Excellence in Measurement. Citation: “Contribution to gas measurements and the successful application of measurement techniques to resolving industrial problems.”, 2018

Themes

Clean energy, Complex systems, Materials and structures

PhD and master's project opportunities

Australia’s First High-Efficiency, Modular and Low-Cost Hydrogen Liquefaction and Storage System

Publications

By Type

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Journals

Jeong, K., Norris, B., Siahvashi, A., Jiao, F., Patterson, J., Estanga, D., May, E., Aman, Z. (2024). A Joule-Thomson Loop to Study High-Pressure Fluid Expansion. Energy and Fuels. [More Information]
Sadaghiani, M., Siahvashi, A., Arami-Niya, A., Tsuji, T., Yukumoto, A., Seiki, Y., Al-Ghafri, S., Stanwix, P., May, E. (2023). Cryogenic Solid Solubility Measurements for HFC-32 + CO2 Binary Mixtures at Temperatures Between (132 and 217) K. International Journal of Thermophysics, 44(9). [More Information]
Xiao, X., Tenardi, L., Sadaghiani, M., Sadeghi Pouya, E., Yang, X., Al-Ghafri, S., Siahvashi, A., Tsuji, T., Yukumoto, A., Seiki, Y., et al (2023). Thermodynamic property measurements and modelling of CO2 + difluoromethane (R32): Density, heat capacity, and vapour-liquid equilibrium. International Journal of Refrigeration: covering the theory and practice of refrigeration, including heat pumps, air conditioning, and food storage and transport, 149, 260-273. [More Information]
Xiao, X., Kim, D., Jiao, F., Yang, X., Al-Ghafri, S., Siahvashi, A., Tsuji, T., Yukumoto, A., Seiki, Y., Stanwix, P., et al (2023). Viscosity, thermal conductivity, and interfacial tension study of CO2 + difluoromethane (R32). International Journal of Refrigeration: covering the theory and practice of refrigeration, including heat pumps, air conditioning, and food storage and transport, 152, 331-342. [More Information]
Al-Ghafri, S., Munro, S., Cardella, U., Funke, T., Notardonato, W., Trusler, J., Leachman, J., Span, R., Kamiya, S., Pearce, G., et al (2022). Hydrogen liquefaction: a review of the fundamental physics, engineering practice and future opportunities. Energy and Environmental Science, 15(7), 2690-2731. [More Information]
Al-Ghafri, S., Swanger, A., Jusko, V., Siahvashi, A., Perez, F., Johns, M., May, E. (2022). Modelling of Liquid Hydrogen Boil‐Off. Energies, 15(3). [More Information]
Sadaghiani, M., Siahvashi, A., Norris, B., Al-Ghafri, S., Arami-Niya, A., May, E. (2022). Prediction of solid formation conditions in mixed refrigerants with iso-pentane and methane at high pressures and cryogenic temperatures. Energy, 250. [More Information]
Hopkins, M., Siahvashi, A., Yang, X., Richter, M., Stanwix, P., May, E. (2021). A microwave sensor for detecting impurity freeze out in liquefied natural gas production. Fuel Processing Technology, 219. [More Information]
Al-Ghafri, S., Perez, F., Heum Park, K., Gallagher, L., Warr, L., Stroda, A., Siahvashi, A., Ryu, Y., Kim, S., Kim, S., et al (2021). Advanced boil-off gas studies for liquefied natural gas. Applied Thermal Engineering, 189. [More Information]
Siahvashi, A., Al-Ghafri, S., Yang, X., Rowland, D., May, E. (2021). Avoiding costly LNG plant freeze-out-induced shutdowns: Measurement and modelling for neopentane solubility at LNG conditions. Energy, 217. [More Information]
Siahvashi, A., Al-Ghafri, S., Graham, B., May, E. (2021). Experimental study of impurity freeze-out in ternary methane + ethane + benzene mixtures with applications to LNG production. Journal of Natural Gas Science and Engineering, 90. [More Information]
Perez, F., Al-Ghafri, S., Gallagher, L., Siahvashi, A., Ryu, Y., Kim, S., Kim, S., Johns, M., May, E. (2021). Measurements of boil-off gas and stratification in cryogenic liquid nitrogen with implications for the storage and transport of liquefied natural gas. Energy, 222. [More Information]
Sampson, C., Metaxas, P., Siahvashi, A., Stanwix, P., Graham, B., Johns, M., May, E. (2021). Measurements of solidification kinetics for benzene in methane at high pressures and cryogenic temperatures. Chemical Engineering Journal, 407. [More Information]
Al-Ghafri, S., Jiao, F., Hughes, T., Arami-Niya, A., Yang, X., Siahvashi, A., Karimi, A., May, E. (2021). Natural gas density measurements and the impact of accuracy on process design. Fuel, 304. [More Information]
Al-Ghafri, S., Hughes, T., Perez, F., Baker, C., Siahvashi, A., Karimi, A., Arami-Niya, A., May, E. (2020). Phase equilibrium studies of high-pressure natural gas mixtures with toluene for LNG applications. Fluid Phase Equilibria, 518. [More Information]
Siahvashi, A., Al-Ghafri, S., May, E. (2020). Solid-fluid equilibrium measurements of benzene in methane and implications for freeze-out at LNG conditions. Fluid Phase Equilibria, 519. [More Information]
Baker, C., Siahvashi, A., Oakley, J., Hughes, T., Rowland, D., Huang, S., May, E. (2019). Advanced predictions of solidification in cryogenic natural gas and LNG processing. Journal of Chemical Thermodynamics, 137, 22-33. [More Information]
Siahvashi, A., Al-Ghafri, S., Hughes, T., Graham, B., Huang, S., May, E. (2019). Solubility of p-xylene in methane and ethane and implications for freeze-out at LNG conditions. Experimental Thermal and Fluid Science, 105, 47-57. [More Information]
Siahvashi, A., Adesina, A. (2018). Hydrogen production via propane dry reforming: Carbon deposition and reaction-deactivation study. International Journal of Hydrogen Energy, 43(36), 17195-17204. [More Information]
Siahvashi, A., Al-Ghafri, S., Oakley, J., Hughes, T., Graham, B., May, E. (2017). Visual Measurements of Solid-Liquid Equilibria and Induction Times for Cyclohexane + Octadecane Mixtures at Pressures to 5 MPa. Journal of Chemical and Engineering Data, 62(9), 2896-2910. [More Information]
Arcotumapathy, V., Vo, D., Chesterfield, D., Tin, C., Siahvashi, A., Lucien, F., Adesina, A. (2014). Catalyst design for methane steam reforming. Applied Catalysis A: General, 479, 87-102. [More Information]
Siahvashi, A., Adesina, A. (2013). Kinetic study of propane CO2 reforming over bimetallic Mo-Ni/Al2O3 catalyst. Industrial and Engineering Chemistry Research, 52(44), 15377-15386. [More Information]
Siahvashi, A., Chesterfield, D., Adesina, A. (2013). Nonoxidative and oxidative propane dehydrogenation over bimetallic Mo-Ni/Al2O3 catalyst. Industrial and Engineering Chemistry Research, 52(11), 4017-4026. [More Information]
Siahvashi, A., Chesterfield, D., Adesina, A. (2013). Propane CO2 (dry) reforming over bimetallic Mo-Ni/Al2O3 catalyst. Chemical Engineering Science, 93, 313-325. [More Information]
Siahvashi, A., Adesina, A. (2013). Synthesis gas production via propane dry (CO2) reforming: Influence of potassium promotion on bimetallic Mo-Ni/Al2O3. Catalysis Today, 214, 30-41. [More Information]

show 22 more

By Year

Expand all

2024

Jeong, K., Norris, B., Siahvashi, A., Jiao, F., Patterson, J., Estanga, D., May, E., Aman, Z. (2024). A Joule-Thomson Loop to Study High-Pressure Fluid Expansion. Energy and Fuels. [More Information]

2023

Sadaghiani, M., Siahvashi, A., Arami-Niya, A., Tsuji, T., Yukumoto, A., Seiki, Y., Al-Ghafri, S., Stanwix, P., May, E. (2023). Cryogenic Solid Solubility Measurements for HFC-32 + CO2 Binary Mixtures at Temperatures Between (132 and 217) K. International Journal of Thermophysics, 44(9). [More Information]
Xiao, X., Tenardi, L., Sadaghiani, M., Sadeghi Pouya, E., Yang, X., Al-Ghafri, S., Siahvashi, A., Tsuji, T., Yukumoto, A., Seiki, Y., et al (2023). Thermodynamic property measurements and modelling of CO2 + difluoromethane (R32): Density, heat capacity, and vapour-liquid equilibrium. International Journal of Refrigeration: covering the theory and practice of refrigeration, including heat pumps, air conditioning, and food storage and transport, 149, 260-273. [More Information]
Xiao, X., Kim, D., Jiao, F., Yang, X., Al-Ghafri, S., Siahvashi, A., Tsuji, T., Yukumoto, A., Seiki, Y., Stanwix, P., et al (2023). Viscosity, thermal conductivity, and interfacial tension study of CO2 + difluoromethane (R32). International Journal of Refrigeration: covering the theory and practice of refrigeration, including heat pumps, air conditioning, and food storage and transport, 152, 331-342. [More Information]

2022

Al-Ghafri, S., Munro, S., Cardella, U., Funke, T., Notardonato, W., Trusler, J., Leachman, J., Span, R., Kamiya, S., Pearce, G., et al (2022). Hydrogen liquefaction: a review of the fundamental physics, engineering practice and future opportunities. Energy and Environmental Science, 15(7), 2690-2731. [More Information]
Al-Ghafri, S., Swanger, A., Jusko, V., Siahvashi, A., Perez, F., Johns, M., May, E. (2022). Modelling of Liquid Hydrogen Boil‐Off. Energies, 15(3). [More Information]
Sadaghiani, M., Siahvashi, A., Norris, B., Al-Ghafri, S., Arami-Niya, A., May, E. (2022). Prediction of solid formation conditions in mixed refrigerants with iso-pentane and methane at high pressures and cryogenic temperatures. Energy, 250. [More Information]

2021

Hopkins, M., Siahvashi, A., Yang, X., Richter, M., Stanwix, P., May, E. (2021). A microwave sensor for detecting impurity freeze out in liquefied natural gas production. Fuel Processing Technology, 219. [More Information]
Al-Ghafri, S., Perez, F., Heum Park, K., Gallagher, L., Warr, L., Stroda, A., Siahvashi, A., Ryu, Y., Kim, S., Kim, S., et al (2021). Advanced boil-off gas studies for liquefied natural gas. Applied Thermal Engineering, 189. [More Information]
Siahvashi, A., Al-Ghafri, S., Yang, X., Rowland, D., May, E. (2021). Avoiding costly LNG plant freeze-out-induced shutdowns: Measurement and modelling for neopentane solubility at LNG conditions. Energy, 217. [More Information]
Siahvashi, A., Al-Ghafri, S., Graham, B., May, E. (2021). Experimental study of impurity freeze-out in ternary methane + ethane + benzene mixtures with applications to LNG production. Journal of Natural Gas Science and Engineering, 90. [More Information]
Perez, F., Al-Ghafri, S., Gallagher, L., Siahvashi, A., Ryu, Y., Kim, S., Kim, S., Johns, M., May, E. (2021). Measurements of boil-off gas and stratification in cryogenic liquid nitrogen with implications for the storage and transport of liquefied natural gas. Energy, 222. [More Information]
Sampson, C., Metaxas, P., Siahvashi, A., Stanwix, P., Graham, B., Johns, M., May, E. (2021). Measurements of solidification kinetics for benzene in methane at high pressures and cryogenic temperatures. Chemical Engineering Journal, 407. [More Information]
Al-Ghafri, S., Jiao, F., Hughes, T., Arami-Niya, A., Yang, X., Siahvashi, A., Karimi, A., May, E. (2021). Natural gas density measurements and the impact of accuracy on process design. Fuel, 304. [More Information]

show 4 more

2020

Al-Ghafri, S., Hughes, T., Perez, F., Baker, C., Siahvashi, A., Karimi, A., Arami-Niya, A., May, E. (2020). Phase equilibrium studies of high-pressure natural gas mixtures with toluene for LNG applications. Fluid Phase Equilibria, 518. [More Information]
Siahvashi, A., Al-Ghafri, S., May, E. (2020). Solid-fluid equilibrium measurements of benzene in methane and implications for freeze-out at LNG conditions. Fluid Phase Equilibria, 519. [More Information]

2019

Baker, C., Siahvashi, A., Oakley, J., Hughes, T., Rowland, D., Huang, S., May, E. (2019). Advanced predictions of solidification in cryogenic natural gas and LNG processing. Journal of Chemical Thermodynamics, 137, 22-33. [More Information]
Siahvashi, A., Al-Ghafri, S., Hughes, T., Graham, B., Huang, S., May, E. (2019). Solubility of p-xylene in methane and ethane and implications for freeze-out at LNG conditions. Experimental Thermal and Fluid Science, 105, 47-57. [More Information]

2018

Siahvashi, A., Adesina, A. (2018). Hydrogen production via propane dry reforming: Carbon deposition and reaction-deactivation study. International Journal of Hydrogen Energy, 43(36), 17195-17204. [More Information]

2017

Siahvashi, A., Al-Ghafri, S., Oakley, J., Hughes, T., Graham, B., May, E. (2017). Visual Measurements of Solid-Liquid Equilibria and Induction Times for Cyclohexane + Octadecane Mixtures at Pressures to 5 MPa. Journal of Chemical and Engineering Data, 62(9), 2896-2910. [More Information]

2014

Arcotumapathy, V., Vo, D., Chesterfield, D., Tin, C., Siahvashi, A., Lucien, F., Adesina, A. (2014). Catalyst design for methane steam reforming. Applied Catalysis A: General, 479, 87-102. [More Information]

2013

Siahvashi, A., Adesina, A. (2013). Kinetic study of propane CO2 reforming over bimetallic Mo-Ni/Al2O3 catalyst. Industrial and Engineering Chemistry Research, 52(44), 15377-15386. [More Information]
Siahvashi, A., Chesterfield, D., Adesina, A. (2013). Nonoxidative and oxidative propane dehydrogenation over bimetallic Mo-Ni/Al2O3 catalyst. Industrial and Engineering Chemistry Research, 52(11), 4017-4026. [More Information]
Siahvashi, A., Chesterfield, D., Adesina, A. (2013). Propane CO2 (dry) reforming over bimetallic Mo-Ni/Al2O3 catalyst. Chemical Engineering Science, 93, 313-325. [More Information]
Siahvashi, A., Adesina, A. (2013). Synthesis gas production via propane dry (CO2) reforming: Influence of potassium promotion on bimetallic Mo-Ni/Al2O3. Catalysis Today, 214, 30-41. [More Information]

show 1 more

Selected Grants

2024