Boiling Design on Aspen Plus (Heat-Exchanger design with a phase change)
Author: Jim Lang (©SDSM&T, 2000)
This portion continues with the design of heat exchangers on Aspen. We will take a more in-depth look at two important processes in Chemical Engineering: boiling and condensation. The latter will be covered later. The following example will aide in teaching boiling concepts in Aspen.
Problem Statement:
The Freon-12 stream used in the previous example is now flowing at 90 kmol/hr with a temperature of 270 K and a pressure of 3 atm. The plant manager wants to vaporize this stream for a unit operation later in the plant. Ethylene glycol is now available at 340 K and 2 atm. The plant manager recommends using 80 BWG tubing for this operation, and the pressure drop should be minimized as much as possible.
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