Good afternoon zzangdol51:
The computation for hydraulic diameter is simple. However, determining the inputs to the formula may be rather challenging. According to Hesselgreaves in Compact Heat Exchangers: Selection, Design, and Operation, if the hydraulic diameter is dh, the internal (or...
Good afternoon ffb:
I know of no good books on the subject of industrial drying. However, good primer articles appear in two (2) publications. First, check any good library for a copy of the 2003 volume of ASHRAE HVAC Applications. Chapter 28, "Industrial Drying Systems", gives a...