1. Heat transfer performance evaluation in circular tubes via internal repeated ribs with entropy and exergy analysis. (5th November 2018) Authors: Sayed Ahmed, Sayed Ahmed E.; Ibrahim, Emad Z.; Ibrahim, Mostafa M.; Essa, Mohamed A.; Abdelatief, Mohamed A.; El-Sayed, Mohamed N. Journal: Applied thermal engineering Issue: Volume 144(2018) Page Start: 1056 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗