id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
hij-217	Tarrad, Ali H.	3D Numerical Modeling to Evaluate the Thermal Performance of Single and Double U-tube Ground-coupled Heat Pump	2022	15	.pdf	application/pdf	6194	361	66	[14] presented a 3-dimensional numerical simulation model for U-tube borehole heat exchangers. Development of a numerical model for the simulation of vertical U-tube ground heat exchangers.	cache/hij-217.pdf	txt/hij-217.txt