39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
const ASM3 = require('./asm3_class')
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const math = require('mathjs')
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class Reactor_CSTR {
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constructor(initial_state){
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this.state = initial_state;
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this.asm = new ASM3();
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this.Vl = 10.0; // fluid volume reactor [m3]
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this.F = 1.0; // fluid debit [m3 d-1]
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this.C_in = Array(13).fill(0.0); // composition influent
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this.OTR = 1000.0; // oxygen transfer rate [g O2 d-1]
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}
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tick_fe(time_step){ // tick reactor state using forward Euler method
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const r = this.asm.compute_dC(this.state);
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const dC_in = math.multiply(this.C_in, this.F/this.Vl);
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const dC_out = math.multiply(this.state, this.F/this.Vl);
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const T_O = Array(13).fill(0.0);
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T_O[0] = this.OTR;
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const dC_total = math.multiply(math.add(dC_in, dC_out, r, T_O), time_step);
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this.state = math.add(this.state, dC_total);
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return this.state;
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}
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}
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// testing stuff
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// 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
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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];
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const Reactor = new Reactor_CSTR(initial_state);
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Reactor.C_in = [0.0, 30., 100., 16., 0., 0., 5., 25., 75., 30., 0., 0., 125.];
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N = 0;
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while (N < 15) {
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console.log(Reactor.tick_fe(0.001));
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N += 1;
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} |