Author = Ahmed Sultan, Ahmed Abd El-Razik
Augmentation of Natural Convection Heat Transfer in Vertical Cylindrical Annulus.

Volume 26, Issue 2, June 2001, Pages 1-14

Ahmed Abd El-Razik Ahmed Sultan; Y. Z. Hassan


Enhancing Forced Convection Heat Transfer Annular Tubes by Using Aluminum Mesh Layers.

Volume 25, Issue 4, December 2000, Pages 15-28

Ahmed Abd El-Razik Ahmed Sultan; Gamal Ebrahim Ahmed Sultan


Heat Transfer from Constant Heat Flux Cylindrical Wall to Liquid Flow through Packed Beds.

Volume 16, Issue 2, December 1991, Pages 50-59

Ahmed Abd El-Razek Ahmed Sultan; E. A.M. El-Shafei