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added improved TEG in gas calculation #388

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added improved TEG in gas calculation #388

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b327341
added improved TEG in gas calculation
EvenSol Apr 13, 2022
987334a
deprecations
asmfstatoil Jul 22, 2022
8b09658
simplify looking for changes
asmfstatoil Jul 22, 2022
39865e6
fix
asmfstatoil Jul 22, 2022
c03b336
fully merged
asmfstatoil Jul 22, 2022
d854aa5
refact: style
asmfstatoil Jul 22, 2022
b5d0069
Merge branch 'master' into TEGlossCalc
asmfstatoil Jul 22, 2022
5d75757
Merge branch 'master' into TEGlossCalc
asmfstatoil Jul 22, 2022
53c83e4
Merge branch 'master' into TEGlossCalc
asmfstatoil Jul 24, 2022
383e35e
Merge branch 'master' into TEGlossCalc
asmfstatoil May 1, 2023
daaa828
Merge branch 'master' into TEGlossCalc
asmfstatoil May 11, 2023
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38 changes: 35 additions & 3 deletions src/main/java/neqsim/processSimulation/processEquipment/absorber/SimpleTEGAbsorber.java
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Original file line number Diff line number Diff line change
Expand Up @@ -294,6 +294,32 @@ public double calcY0() {
return y0;
}

/**
* <p>
* calcY0TEG.
* </p>
*
* @return a double
*/
public double calcY0TEG() {
// double fugacityWaterLiquid =
// mixedStream.getThermoSystem().getPhase(1).getFugacity("water");
// double xrel =
// mixedStream.getFluid().getPhase(0).getComponent("water").getx()/solventInStream.getFluid().getPhase(0).getComponent("water").getx();
// double y0 =
// xrel*fugacityWaterLiquid/(mixedStream.getFluid().getPhase(0).getComponent("water").getFugacityCoefficient()*mixedStream.getFluid().getPressure());
// double oldTemp = mixedStream.getTemperature();
// mixedStream.setTemperature(solventInStream.getTemperature(),"K");
// mixedStream.getFluid().init(1);
double fugCoefRef =
mixedStream.getThermoSystem().getPhase(1).getComponent("TEG").getFugacityCoefficient();
double y0TEG = solventInStream.getFluid().getPhase(0).getComponent("TEG").getx() * fugCoefRef
/ (mixedStream.getThermoSystem().getPhase(0).getComponent("TEG").getFugacityCoefficient());
// mixedStream.setTemperature(oldTemp, "K");
// mixedStream.getFluid().init(2);
return y0TEG;
}

/**
* <p>
* calcNumberOfTheoreticalStages.
Expand Down Expand Up @@ -325,7 +351,6 @@ public double calcNTU(double y0, double y1, double yb, double ymix) {
@Override
public void run(UUID id) {
try {
double y1 = 0.0;
// double yN = gasInStream.getThermoSystem().getPhase(0).getComponent("water").getx();
mixedStream.setThermoSystem((streams.get(0).getThermoSystem().clone()));
mixedStream.getThermoSystem().setNumberOfPhases(2);
Expand All @@ -350,6 +375,9 @@ public void run(UUID id) {
double absorptionEffiency = calcEa();

double y0 = calcY0();
double y0TEG = calcY0TEG();

double y1 = 0.0;
if (isSetWaterInDryGas) {
y1 = waterInDryGas;
setNumberOfTheoreticalStages(2.0);
Expand All @@ -362,6 +390,10 @@ public void run(UUID id) {
double yMean = mixedStream.getThermoSystem().getPhase(0).getComponent("water").getx();
double molesWaterToMove =
(yMean - y1) * mixedStream.getThermoSystem().getPhase(0).getNumberOfMolesInPhase();
double yMeanTEG = mixedStream.getThermoSystem().getPhase(0).getComponent("TEG").getx();
double molesTEGToMove =
(y0TEG - yMeanTEG) * mixedStream.getThermoSystem().getPhase(0).getNumberOfMolesInPhase();

// System.out.println("Lean TEG to absorber "
// +solventInStream.getFlowRate("kg/hr"));

Expand All @@ -374,14 +406,14 @@ public void run(UUID id) {
newMixedStream.setName("test");
newMixedStream.getThermoSystem().addComponent("water", -molesWaterToMove, 0);
newMixedStream.getThermoSystem().addComponent("water", molesWaterToMove, 1);
newMixedStream.getThermoSystem().addComponent("TEG", molesTEGToMove, 0);
newMixedStream.getThermoSystem().addComponent("TEG", -molesTEGToMove, 1);
newMixedStream.getThermoSystem().initBeta();
newMixedStream.getThermoSystem().init_x_y();
newMixedStream.getThermoSystem().init(2);
mixedStream = newMixedStream;
mixedStream.setCalculationIdentifier(id);

// stream.getThermoSystem().display();

SystemInterface tempSystem = mixedStream.getThermoSystem().clone();
SystemInterface gasTemp = tempSystem.phaseToSystem(tempSystem.getPhases()[0]);
gasTemp.init(2);
Expand Down
4 changes: 3 additions & 1 deletion src/test/java/neqsim/processSimulation/processSystem/ProcessSystemTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -547,7 +547,9 @@ public void runTEGProcessTest() {
operations.add(makeupTEG);
operations.add(makeupMixer);
operations.add(resycleLeanTEG);
// operations.run();
operations.run();
dehydratedGas.getFluid().display();
dehydratedGas.getFluid().display();
}

@Test
Expand Down