Evaporator (effect) simulation

process feed + heating steam -> concentrated liquid + vapor boiloff + steam condensate

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Governing equations

The exact equations the solver works for a evaporator (effect) — the same math shown in the app's "Theory" panel, not a black box.

Q_{cond}=\dot n_{steam}\bigl(h_{steam}-h_{cond}(T_{sat})\bigr),\qquad Q_{process}=\eta\,Q_{cond}

h_{out}=h_{feed}+Q_{process}/\dot n_{feed}\;\;\text{then (P,H) flash at the effect's own pressure}

Parameters

pressure [Pa, the effect's vapor-space pressure, default = process feed pressure]; optional efficiency [0..1, condensing-duty transfer to the process side, default 1.0]. 2 inlets [process_feed, steam_in]; steam condenses fully at its own pressure, the recovered duty (scaled by efficiency) drives a (P,H) flash of the process side. Chain effects by wiring vapor_boiloff -> the next effect's steam_in; pair with an electrolyte thermo package (e.g. brine) for real boiling-point elevation as the liquor concentrates.

Evaporator (effect) simulation

Governing equations

Parameters

Example flowsheets that use it

RO desalination + ZLD

Ethylene glycol plant: closed water loop + multi-effect evaporator dehydration

Direct lithium extraction + LiOH crystallization

Bio-ethanol: energy-integrated distillation + MVR stillage concentration

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