Open Access

ARTICLE

The Effect of Injected Air Bubble Size on the Thermal Performance of a Vertical Shell and Helical Coiled Tube Heat Exchanger

Saif S. Hasan¹, Ali Sh. Baqir¹, Hameed B. Mahood^2,*

1 Engineering Technical College, Al-Furat Al-Awsat Technical University, Al-Najaf, 31001, Iraq
2 Department of Chemical and Process Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford, GU2 7XH, UK

* Corresponding Author: Hameed B. Mahood. Email: