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Refactor Reactor class structure and include inheritance for CSTR and PFR

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p.vanderwilt
2025-07-04 11:42:34 +02:00
parent 25cd728b68
commit 1cda956d83
1 changed files with 25 additions and 41 deletions
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66
src/reactor_class.js
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@@ -7,43 +7,56 @@ const config = {
const math = create(all, config)
class Reactor_CSTR {
constructor(volume, n_inlets, kla, initial_state) {
this.state = initial_state;
class Reactor {
constructor(volume, n_inlets, kla){
this.asm = new ASM3();
this.Vl = volume; // fluid volume reactor [m3]
this.Fs = Array(n_inlets).fill(0.0); // fluid debits per inlet [m3 d-1]
this.Cs_in = Array.from(Array(n_inlets), () => new Array(13).fill(0.0)); // composition influents
this.OTR = 0.0; // oxygen transfer rate [g O2 d-1]
this.kla = kla; // if NaN, use external OTR [d-1]
this.currentTime = Date.now(); // milliseconds since epoch [ms]
this.timeStep = 1/(24*60*15); // time step [d]
this.speedUpFactor = 1;
this.speedUpFactor = 60;
}
set setInfluent(input) { // setter for C_in (WIP)
let index_in = input.payload.inlet;
this.Fs[index_in] = input.payload.F;
this.Cs_in[index_in] = input.payload.C;
// console.log("Pe total " + this.length*math.sum(this.Fs)/(this.D*this.A));
// console.log("Pe local " + this.d_x*math.sum(this.Fs)/(this.D*this.A));
// console.log("Co ad " + math.sum(this.Fs)*this.timeStep/(this.A*this.d_x));
// console.log("Co D " + this.D*this.timeStep/(this.d_x*this.d_x));
}
set setOTR(input) { // setter for OTR (WIP) [g O2 d-1]
this.OTR = input.payload;
}
get getEffluent() { // getter for Effluent, defaults to inlet 0
return {topic: "Fluent", payload: {inlet: 0, F: math.sum(this.Fs), C:this.state}, timestamp: this.currentTime};
}
calcOTR(S_O, T=20.0) { // caculate the OTR using basic correlation, default to temperature: 20 C
let S_O_sat = 14.652 - 4.1022e-1*T + 7.9910e-3*T*T + 7.7774e-5*T*T*T;
return this.kla * (S_O_sat - S_O);
}
}
class Reactor_CSTR extends Reactor {
constructor(volume, n_inlets, kla, initial_state) {
super(volume, n_inlets, kla);
this.state = initial_state;
}
get getEffluent() { // getter for Effluent, defaults to inlet 0
return {topic: "Fluent", payload: {inlet: 0, F: math.sum(this.Fs), C:this.state}, timestamp: this.currentTime};
}
// expect update with timestamp
updateState(newTime) {
@@ -75,12 +88,11 @@ class Reactor_CSTR {
}
}
class Reactor_PFR {
class Reactor_PFR extends Reactor {
constructor(volume, length, resolution_L, n_inlets, kla, initial_state) {
this.asm = new ASM3();
super(volume, n_inlets, kla);
this.Vl = volume; // fluid volume reactor [m3]
this.length = length; // reactor length [m]
this.n_x = resolution_L; // number of slices
this.d_x = length / resolution_L;
@@ -92,35 +104,12 @@ class Reactor_PFR {
// console.log("Initial State: ")
// console.log(this.state)
this.Fs = Array(n_inlets).fill(0.0); // fluid debits per inlet [m3 d-1]
this.Cs_in = Array.from(Array(n_inlets), () => new Array(13).fill(0.0)); // composition influents
this.OTR = 0.0; // oxygen transfer rate [g O2 d-1]
this.D = 0.0; // axial dispersion [m2 d-1]
this.kla = kla; // if NaN, use external OTR [d-1]
this.currentTime = Date.now(); // milliseconds since epoch [ms]
this.timeStep = 1/(24*60*15); // time step [d]
this.speedUpFactor = 60;
this.D_op = this.makeDoperator(true, true);
this.D2_op = this.makeD2operator();
}
set setInfluent(input) { // setter for C_in (WIP)
let index_in = input.payload.inlet;
this.Fs[index_in] = input.payload.F;
this.Cs_in[index_in] = input.payload.C;
// console.log("Pe total " + this.length*math.sum(this.Fs)/(this.D*this.A));
// console.log("Pe local " + this.d_x*math.sum(this.Fs)/(this.D*this.A));
// console.log("Co ad " + math.sum(this.Fs)*this.timeStep/(this.A*this.d_x));
// console.log("Co D " + this.D*this.timeStep/(this.d_x*this.d_x));
}
set setOTR(input) { // setter for OTR (WIP) [g O2 d-1]
this.OTR = input.payload;
}
set setDispersion(input) { // setter for Axial dispersion [m2 d-1]
this.D = input.payload;
}
@@ -129,11 +118,6 @@ class Reactor_PFR {
return {topic: "Fluent", payload: {inlet: 0, F: math.sum(this.Fs), C:this.state.at(-1)}, timestamp: this.currentTime};
}
calcOTR(S_O, T=20.0) { // caculate the OTR using basic correlation, default to temperature: 20 C
let S_O_sat = 14.652 - 4.1022e-1*T + 7.9910e-3*T*T + 7.7774e-5*T*T*T;
return this.kla * (S_O_sat - S_O);
}
// expect update with timestamp
updateState(newTime) {
const day2ms = 1000 * 60 * 60 * 24;