@inbook {70762,
	title = {Effect Of Swirl Angle And Geometry On Heat Transfer In Turbulent Pipe Flow},
	booktitle = {Heat Exchangers, Theory \& Pract},
	year = {1983},
	month = {16 August },
	publisher = {Wiley},
	organization = {Wiley},
	address = {Dubrovink},
	author = {Essam E. Khalil and Mahmoud S AbdelSalam and Monier M Helal and AbdelMotelb A Mostafa}
}
