In a double pipe (concentric) heat exchanger, the hydraulic radius for heat transfer (for a fluid flowing through the annulus) would be_________________?
(A) Same as that for fluid flow
(B) Less than that for fluid flow
(C) More than that for fluid flow
(D) D2 – D1 (D1 and D2 are I.
| Share this... |
 Facebook
|
 Twitter
|
 Linkedin
|
 Whatsapp
|
Your email address will not be published. Required fields are marked *