@article {110809,
	title = {Heat transfer and friction characteristics of shell and tube heat exchanger with multi inserted swirl vanes},
	journal = {Applied Thermal Engineering},
	volume = {102},
	year = {2016},
	pages = {1481-1491},
	author = {Mahmoud Galal and Osama E.Abdellatif and Ahmed  Attia and Essam E. Khalil}
}
