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The impacts of utilizing nano-encapsulated PCM along with RGO nanosheets in a pulsating heat pipe, a comparative study
, Article International Journal of Energy Research ; Volume 45, Issue 13 , 2021 , Pages 19481-19499 ; 0363907X (ISSN) ; Shafii, M. B ; Rezaee Shirin Abadi, A ; Heydarian, R ; Ahmadi, M. H ; Sharif University of Technology
John Wiley and Sons Ltd
2021
Abstract
Heat pipes are useful devices in heat transfer and particularly, in cooling systems. Given the high demand for cooling systems in various applications, an improvement in the performance of heat pipes has gained much attraction in recent years. In this study, the effects of utilizing working fluids with different thermal properties on the performance of pulsating heat pipes (PHP) are experimentally studied. Hence, nano-encapsulated phase change material (NPCM), reduced graphene oxide nanosheets, and their mixture, as a novel hybrid nanofluid, are prepared and dispersed in water as a working fluid. NPCM at 3 concentrations of 5, 10, and 20 g/L, as well as nanosheets at three concentrations of...