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Fix CSTR PFR distinctions

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p.vanderwilt
2025-11-21 11:02:40 +01:00
parent 3d93f2a7b9
commit dd70b8c890
1 changed files with 25 additions and 5 deletions
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30
src/specificClass.js
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@@ -164,10 +164,6 @@ class Reactor {
this.logger.warn("Reactor children of reactors should always be upstream.");
}
if (math.abs(reactorChild.d_x - this.d_x) / this.d_x < 0.025) {
this.logger.warn("Significant grid sizing discrepancies between adjacent reactors! Change resolutions to match reactors grid step, or implement boundary value interpolation.");
}
// set upstream and downstream reactor variable in current and child nodes respectively for easy access
this.upstreamReactor = reactorChild;
reactorChild.downstreamReactor = this;
@@ -245,6 +241,23 @@ class Reactor_CSTR extends Reactor {
this.state = config.initialState;
}
_updateMeasurement(measurementType, value, position, context) {
switch(measurementType) {
case "quantity (oxygen)":
this.state[ASM_CONSTANTS.S_O_INDEX] = value;
break;
case "quantity (ammonium)":
this.state[ASM_CONSTANTS.S_NH_INDEX] = value;
break;
case "quantity (nox)":
this.state[ASM_CONSTANTS.S_NO_INDEX] = value;
break;
default:
super._updateMeasurement(measurementType, value, position, context);
}
}
/**
* Tick the reactor state using the forward Euler method.
* @param {number} time_step - Time step for the simulation [d].
@@ -255,7 +268,7 @@ class Reactor_CSTR extends Reactor {
const outflow = math.multiply(-1 * math.sum(this.Fs) / this.volume, this.state);
const reaction = this.asm.compute_dC(this.state, this.temperature);
const transfer = Array(ASM_CONSTANTS.NUM_SPECIES).fill(0.0);
transfer[ASM_CONSTANTS.S_O_INDEX] = isNaN(this.kla) ? this.OTR : this._calcOTR(this.state[S_O_INDEX], this.temperature); // calculate OTR if kla is not NaN, otherwise use externaly calculated OTR
transfer[ASM_CONSTANTS.S_O_INDEX] = isNaN(this.kla) ? this.OTR : this._calcOTR(this.state[ASM_CONSTANTS.S_O_INDEX], this.temperature); // calculate OTR if kla is not NaN, otherwise use externaly calculated OTR
const dC_total = math.multiply(math.add(inflow, outflow, reaction, transfer), time_step)
this.state = this._arrayClip2Zero(math.add(this.state, dC_total)); // clip value element-wise to avoid negative concentrations
@@ -304,6 +317,13 @@ class Reactor_PFR extends Reactor {
this.D = this._constrainDispersion(input.payload);
}
_connectReactor(reactorChild) {
if (math.abs(reactorChild.d_x - this.d_x) / this.d_x < 0.025) {
this.logger.warn("Significant grid sizing discrepancies between adjacent reactors! Change resolutions to match reactors grid step, or implement boundary value interpolation.");
}
super._connectReactor(reactorChild);
}
updateState(newTime) {
super.updateState(newTime);
// let Pe_local = this.d_x*math.sum(this.Fs)/(this.D*this.A)