@conference {149446,
	title = {Heat Transfer Enhancement in Parabolic Trough Absorption Tube Using Twisted Tape Inserts},
	booktitle = {AIAA AVIATION ,paperAIAA-2018-3910,June 2018},
	year = {2018},
	month = {28th June},
	address = {Atlanta ,USA},
	author = {Mohamed AbouSabea and Gamal EHarriri and Ahmed ElDegwy and Essam E. Khalil}
}
