@conference {131213,
	title = {Heat Transfer and Fluid Flow Characteristics in a Heat Exchanger Tube Fitted with Inserts.},
	booktitle = {ASME Journal of Thermal Science and Engineering Applications },
	year = {2017},
	month = {October 2017},
	address = {USA},
	author = {A. H. Mostafa and Essam E. Khalil and G. El-Hariry and W.Abdelmaksoud and W M Saad}
}
