双螺旋盘管内膨胀石墨对相变材料的传热强化机制与蓄放热性能

郭艳芹, 曾镇, 张弘光, 凌子夜, 张正国, 方晓明

Investigation of heat transfer enhancement mechanism and performance of phase change materials using expanded graphite in double helical coils

Yanqin GUO, Zhen ZENG, Hongguang ZHANG, Ziye LING, Zhengguo ZHANG, Xiaoming FANG

图11 蓄热器的等效热水质量和放热效率随膨胀石墨添加量的变化

Fig. 11 The change of equivalent hot water mass and heat release efficiency of a heat accumulator with the addition of expanded graphite