ACC Users Group › ACC Users Group Discussion Forums › Design › ACC Tube Selection This topic has 0 replies, 1 voice, and was last updated 5 years, 9 months ago by Kai Shen Goh. Viewing 0 reply threads Author Posts February 14, 2019 at 5:13 am #2126 Kai Shen GohParticipant Hi all, Is there any useful literature/ reference for tube types, e.g. oval finned, elliptical etc which discuss efficiency, pros and cons, material durability, performance, etc? Any help in the right direction would be greatly appreciated. Thank you. KS Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In