Toward improved engine performance with crumpled nitrogen-doped graphene based water-ethylene glycol coolant

• Main Authors: Amiri, A., Shanbedi, M., Chew, B.T., Kazi, S.N., Solangi, K.H.
• Format: Article
• Published: Elsevier 2016
• Subjects: TJ Mechanical engineering and machinery; TP Chemical technology
• Online Access: http://eprints.um.edu.my/18289/; https://doi.org/10.1016/j.cej.2015.12.083

Crumpled nitrogen-doped graphene nanosheet (CNDG) is considered a promising carbon-based nanosheet due to its high surface area, superior electrical, thermal and mechanical properties. Herein, CNDG is first prepared and tested as an additive for preparing a new engine coolant. The prepared two-dimensional CNDG feature high electrical conductivity, excellent thermal conductivity and heat transfer properties, permitting the CNDG-based water-ethylene glycol coolants to exhibit excellent Mouromtseff number, electrical properties and heat transfer performance for all temperatures and weight concentrations in a car radiator. Further, steady-state forced convective heat transfer experiments have been performed to evaluate the cooling capabilities of the prepared coolants.