非均匀翅片对级联相变储热系统热性能强化的研究
廖志荣, 李朋达, 田紫芊, 徐超, 魏高升

Heat Transfer Enhancement of a Cascaded Latent Heat Thermal Energy Storage System by Fins With Different Uneven Layouts
Zhirong LIAO, Pengda LI, Ziqian TIAN, Chao XU, Gaosheng WEI
表2 3种相变材料的热物性
Tab. 2 Thermophysical properties of three PCMs
热物性PCM1PCM2PCM3
固相线温度/K494.15463.75415.59
液相线温度/K509.15475.85423.25
潜热值/(J·g-1)102.10250.1051.63

导热系数/

(W·m-1·K-1)

0.76(固相)0.74(固相)0.99(固相)
0.45(液相)0.48(液相)0.56(液相)

比热容/

(J·kg-1·K-1)

399.33+

2.193 4T

890.323 4+1.564T(固相)

291.33+

2.661 8T

-14 195.743+60.478T-

0.055 79T2(液相)

密度/(kg·m-3)2 0741 9942 061