管壳式相变蓄热器的蓄释热过程性能分析

屠楠, 刘家琛, 徐静, 方嘉宾, 马彦花

Performance Analysis of Heat Storage and Release Process for a Shell-and-Tube Phase Change Heat Exchanger

Nan TU, Jiachen LIU, Jing XU, Jiabin FANG, Yanhua MA

表1 石蜡RT50热物性参数

Tab. 1 Thermophysical properties of RT50

参数 数值 ρl /(kg/m3) 780 ρs /(kg/m3) 860 cp /[J/(kg⋅K)] 2 000 k/[W/(m⋅K)] 0.2 L/(J/kg) 168 000 μ/[kg/(m⋅K)] 0.006 β/K-1 0.000 6 Ts /K 318 Tl /K 324