Ratnak SOK

Ratnak SOK is an Associate Professor at Waseda University, specializing in thermal engineering, electrified vehicles, and internal combustion engine research. His work spans transportation electrification, CFD modeling, waste heat recovery, and low-carbon/e-fuel ICEs with aftertreatment systems.

• Doctor of Engineering (2015, Waseda University)
• MSME (2011, Institut Teknologi Bandung)
• Diplôme d'Ingénieur (2009, Institut de Technologie du Cambodge)
• DUT (2006, Institut de Technologie du Cambodge)

His research focuses on xEV thermal management, internal combustion engine efficiency, and thermoelectric waste heat recovery, supported by 44 peer-reviewed papers and 340 Scopus citations. Recent work integrates machine learning and CFD simulations for combustion control and battery modeling.

Scientific accolades include:

• Young Investigator Award (2025 Japan Society of Automotive Engineers)
• SAE International Journal editorial board member
• Chair, 2025 ASME Rail Transportation Symposium

His academic leadership extends to organizing technical sessions at IEEE, SAE, and FISITA conferences.