Files
valve/test/integration/valve-physics-and-curve.integration.test.js
znetsixe 6287708c1e updates
2026-03-11 11:13:17 +01:00

118 lines
3.8 KiB
JavaScript

const test = require('node:test');
const assert = require('node:assert/strict');
const Valve = require('../../src/specificClass');
const supplierCurve = require('../../../generalFunctions/datasets/assetData/curves/ECDV.json');
function buildValve({ asset = {}, runtimeOptions = {} } = {}) {
return new Valve(
{
general: {
name: 'valve-test',
logging: { enabled: false, logLevel: 'error' },
},
asset: {
supplier: 'binder',
category: 'valve',
type: 'control',
model: 'ECDV',
unit: 'm3/h',
...asset,
},
functionality: {
positionVsParent: 'atEquipment',
},
},
{
general: {
logging: { enabled: false, logLevel: 'error' },
},
movement: { speed: 1 },
time: { starting: 0, warmingup: 0, stopping: 0, coolingdown: 0 },
},
runtimeOptions
);
}
test('valve selects supplier curve and predicts Kv from supplier data', () => {
const valve = buildValve();
valve.updatePressure('measured', 500, 'downstream', 'mbar');
valve.updateFlow('predicted', 100, 'downstream', 'm3/h');
valve.state.movementManager.currentPosition = 50;
valve.updatePosition();
const expectedKv = supplierCurve['1.204']['125'].y[5];
assert.equal(valve.curveSelection.densityKey, 1.204);
assert.equal(valve.curveSelection.diameterKey, 125);
assert.ok(Math.abs(valve.kv - expectedKv) < 0.01, `expected Kv ${expectedKv}, got ${valve.kv}`);
valve.destroy();
});
test('valve deltaP math uses converted flow units in formula path', () => {
const valve = buildValve();
valve.kv = 10;
valve.rho = 1.204;
valve.T = 293.15;
valve.updatePressure('measured', 500, 'downstream', 'mbar');
// 10 l/s equals 36 m3/h; formula path should use 36 m3/h.
valve.updateFlow('predicted', 10, 'downstream', 'l/s');
const downstreamAbsBar = (500 / 1000) + 1.01325;
const qM3h = 36;
const expectedDeltaPMbar = ((qM3h ** 2 * valve.rho * valve.T) / (514 ** 2 * valve.kv ** 2 * downstreamAbsBar)) * 1000;
const actualDeltaP = valve.measurements
.type('pressure')
.variant('predicted')
.position('delta')
.getCurrentValue('mbar');
assert.ok(Number.isFinite(actualDeltaP), 'deltaP should be finite');
assert.ok(Math.abs(actualDeltaP - expectedDeltaPMbar) < 0.05, `expected ${expectedDeltaPMbar}, got ${actualDeltaP}`);
valve.destroy();
});
test('valve liquid mode uses liquid Kv equation through update loop', () => {
const valve = buildValve({ runtimeOptions: { serviceType: 'liquid', fluidDensity: 998 } });
valve.kv = 50;
valve.updatePressure('measured', 500, 'downstream', 'mbar');
valve.updateFlow('predicted', 100, 'downstream', 'm3/h');
const expectedDeltaPMbar = (((100 / 50) ** 2) * (998 / 1000)) * 1000;
const actualDeltaP = valve.measurements
.type('pressure')
.variant('predicted')
.position('delta')
.getCurrentValue('mbar');
assert.ok(Math.abs(actualDeltaP - expectedDeltaPMbar) < 0.01, `expected ${expectedDeltaPMbar}, got ${actualDeltaP}`);
valve.destroy();
});
test('valve gas mode applies choked cap in update loop', () => {
const valve = buildValve({ runtimeOptions: { serviceType: 'gas', gasChokedRatioLimit: 0.2 } });
valve.kv = 1;
valve.rho = 1.204;
valve.T = 293.15;
valve.updatePressure('measured', 500, 'downstream', 'mbar');
valve.updateFlow('predicted', 1000, 'downstream', 'm3/h');
const downstreamAbsBar = (500 / 1000) + 1.01325;
const expectedDeltaPMbar = downstreamAbsBar * 0.2 * 1000;
const actualDeltaP = valve.measurements
.type('pressure')
.variant('predicted')
.position('delta')
.getCurrentValue('mbar');
assert.ok(Math.abs(actualDeltaP - expectedDeltaPMbar) < 0.0001, `expected ${expectedDeltaPMbar}, got ${actualDeltaP}`);
assert.equal(valve.hydraulicDiagnostics?.isChoked, true);
valve.destroy();
});