Aluminum nitride nanoparticles （AINs） have been found to be a good additive for enhancing the thermal conductivity of traditional heat exchange fluids. At a volume fraction of 0.1, the thermal conductivity enhanceme...Aluminum nitride nanoparticles （AINs） have been found to be a good additive for enhancing the thermal conductivity of traditional heat exchange fluids. At a volume fraction of 0.1, the thermal conductivity enhancement ratios are 38.71% and 40.2%, respectively, for ethylene glycol and propylene glycol as the base fluids. Temperature does not have much influence on the enhanced thermal conductivity ratios of the nanofluids, though a volume fraction of 5.0% appears to signify a critical concentration for rheology： for 〈5.0vo1% for Newtonian behavior, and for 〉5.0vo1% for obvious shear-shinning behavior, for both ethylene glycol and propylene glycol.展开更多
基金supported by Program for New Century Excellent Talents in University (NECT-10-883)the National Natural Science Foundation of China (50876058)the Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning
文摘Aluminum nitride nanoparticles （AINs） have been found to be a good additive for enhancing the thermal conductivity of traditional heat exchange fluids. At a volume fraction of 0.1, the thermal conductivity enhancement ratios are 38.71% and 40.2%, respectively, for ethylene glycol and propylene glycol as the base fluids. Temperature does not have much influence on the enhanced thermal conductivity ratios of the nanofluids, though a volume fraction of 5.0% appears to signify a critical concentration for rheology： for 〈5.0vo1% for Newtonian behavior, and for 〉5.0vo1% for obvious shear-shinning behavior, for both ethylene glycol and propylene glycol.
