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2 蓄热器的几何模型:(a) 结构;(b) 实物图
Fig. 2 Geometric model of heat accumulator: (a) Local details; (b) Photograph of the heat accumulator