
Method: Vary heat flux. Vary utility (air) supply temperature.
Process: Net vapor rate zero.
Advantages: Exchanger film temperatures at maximum.
Disadvantages: Requires thorough mixing of air for stable
operation.
Application: Condenser always runs at maximum temperature
consistent with duty removal. This can be useful to prevent localized
solidification in some processes. Often used in climates that
may have very cold operating days to prevent plugging from solids.
Variants:
Configuration notes:
Operation: Temperature controller manipulates total air
rate, net air rate, circulating air rate, as required. Variable
LMTD controls heat removal.
Warnings:
Return to Table of Methods
Return to consolidated paper list