RnD/reactor
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Fixed bugs and hard coded config for now.

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This commit is contained in:
p.vanderwilt
2025-06-12 16:56:28 +02:00
parent 2182bed343
commit 91482c564d
4 changed files with 37 additions and 18 deletions
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2
advanced-reactor.html
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@@ -3,7 +3,7 @@
category: 'WWTP', category: 'WWTP',
color: '#c4cce0', color: '#c4cce0',
defaults: { defaults: {
name: {value:""} name: { value: "" },
}, },
inputs: 1, inputs: 1,
outputs: 1, outputs: 1,

15
advanced-reactor.js
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@@ -5,9 +5,18 @@ module.exports = function(RED) {
let name = config.name; let name = config.name;
node.on('input', function(msg) { const Reactor = require('./dependencies/reactor_class');
msg.payload = msg.payload.toLowerCase();
node.send(msg); const reactor = new Reactor(Array(13).fill(0.001));
node.on('input', function(msg, send, done) {
if (msg.topic == "clock") {
reactor.updateState(msg);
}
if (done) {
done();
}
}); });
} }
RED.nodes.registerType("advanced-reactor", reactor); RED.nodes.registerType("advanced-reactor", reactor);

36
dependencies/reactor_class.js vendored
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@@ -5,26 +5,34 @@ class Reactor_CSTR {
constructor(initial_state) { constructor(initial_state) {
this.state = initial_state; this.state = initial_state;
console.log(this.state);
this.asm = new ASM3(); this.asm = new ASM3();
this.Vl = 10.0; // fluid volume reactor [m3] this.Vl = 10.0; // fluid volume reactor [m3]
this.F = 1.0; // fluid debit [m3 d-1] this.F = 1.0; // fluid debit [m3 d-1]
this.C_in = Array(13).fill(0.0); // composition influent this.C_in = [0., 30., 100., 16., 0., 0., 5., 25., 75., 30., 0., 0., 125.]; // composition influent
this.OTR = 100.0; // oxygen transfer rate [g O2 d-1] this.OTR = 100.0; // oxygen transfer rate [g O2 d-1]
this.currentTime = Date.now(); // milliseconds since epoch [ms] this.currentTime = Date.now(); // milliseconds since epoch [ms]
this.timeStep = 1/(24*60) // time step [d] this.timeStep = 1/(24*60*15) // time step [d]
} }
// expect update with timestamp // expect update with timestamp
updateState(input) { updateState(input) {
throw new Error("Not implemented yet");
let newTime = input.payload; let newTime = input.payload;
const day2ms = 1000 * 60 * 60 * 24; const day2ms = 1000 * 60 * 60 * 24;
let n_iter = (newTime - this.currentTime) % (this.timeStep * day2ms); let n_iter = Math.floor((newTime - this.currentTime) / (this.timeStep * day2ms));
if (n_iter > 0) {
let n = 0;
while (n < n_iter) {
console.log(this.tick_fe(this.timeStep));
n += 1;
}
this.currentTime += n_iter * this.timeStep * day2ms;
n_iter = 0;
}
} }
tick_fe(time_step) { // tick reactor state using forward Euler method tick_fe(time_step) { // tick reactor state using forward Euler method
@@ -43,11 +51,13 @@ class Reactor_CSTR {
// testing stuff // testing stuff
// state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS // state: S_O, S_I, S_S, S_NH, S_N2, S_NO, S_HCO, X_I, X_S, X_H, X_STO, X_A, X_TS
let initial_state = [0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1]; // let initial_state = [0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1];
const Reactor = new Reactor_CSTR(initial_state); // const Reactor = new Reactor_CSTR(initial_state);
Reactor.C_in = [0.0, 30., 100., 16., 0., 0., 5., 25., 75., 30., 0., 0., 125.]; // Reactor.C_in = [0.0, 30., 100., 16., 0., 0., 5., 25., 75., 30., 0., 0., 125.];
N = 0; // N = 0;
while (N < 500) { // while (N < 500) {
console.log(Reactor.tick_fe(0.001)); // console.log(Reactor.tick_fe(0.001));
N += 1; // N += 1;
} // }
module.exports = Reactor_CSTR;