id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
hjic-352	, 	Downloadable Full Issue	2012	60	.pdf	application/pdf	42690	2738	45	The regenerators are long ago applied, great heat capacity heat stores with solid fill and with short charge-discharge cycle time (10–7200 s). The melt of the solar salt (60% NaNO3 + 40% KNO3) is used out of these materials in concentrated solar power plants as heat storage material (operating temperature range 260–550ºC, volumetric heat capacity ~2.84 MJ/m3K	cache/hjic-352.pdf	txt/hjic-352.txt