id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-15670		cet-15670		6	.pdf	application/pdf	3909	139	46	In addition to optimizing the design of packed systems, many scholars have also conducted in-depth research on improving and optimizing the thermal storage unit (spherical phase change capsules). Mao Q., Zhang Y., 2020, Thermal energy storage performance of a three-PCM cascade tank in a high- temperature packed bed system.	cache/cet-15670.pdf	txt/cet-15670.txt