Hossein Rajabnia is a Ph.D. candidate at the University of Newcastle and is currently enrolled in the School of Engineering's Mechanical Engineering Department. His research focuses on various topics related to bulk solids and particulate technology, including bulk solids handling, pneumatic conveying, biomass handling, aeration and de-aeration, and fluidization. Hossein is currently conducting his research at the Centre of Bulk Solids and Particulate Technology (CBSPT), where he applies his expertise to develop innovative solutions and technologies for improving bulk solids handling processes.