refact: style with black, fix with ruff

examples/CO2deprezzurizing.py

@@ -23,11 +23,8 @@
 
 from neqsim.thermo import (
     PHflash,
-    PHsolidflash,
     TPflash,
-    TPsolidflash,
     bubt,
-    dewt,
     fluid,
     printFrame,
 )

examples/H2Sdistribution.py

@@ -5,17 +5,9 @@
 @author: ESOL
 """
 
-import pandas as pd
 from neqsim.thermo import (
     TPflash,
-    addOilFractions,
-    createfluid,
-    createfluid2,
-    dataFrame,
     fluid,
-    fluid_df,
-    fluidcreator,
-    phaseenvelope,
     printFrame,
 )
 

examples/PVTsim.py

@@ -2,14 +2,7 @@
 from neqsim.thermo import (
     CVD,
     TPflash,
-    addOilFractions,
     createfluid,
-    createfluid2,
-    dataFrame,
-    fluid,
-    fluidcreator,
-    phaseenvelope,
-    printFrame,
     separatortest,
 )
 

examples/TPflash.py

@@ -11,7 +11,7 @@
 @author: esol
 """
 
-from neqsim.thermo import TPflash, fluid, fluidComposition, phaseenvelope
+from neqsim.thermo import TPflash, fluid, fluidComposition
 
 # Start by creating a fluid in neqsim
 fluid1 = fluid("srk")  # create a fluid using the SRK-EoS

examples/TPflashBenchmark.py

@@ -1,6 +1,6 @@
 import time
 
-from neqsim.thermo import TPflash, createfluid, fluid, fluidcreator, printFrame
+from neqsim.thermo import TPflash, fluid
 
 fluid1 = fluid("srk", 303.15, 35.01325)
 

examples/TPflashReactive.py

@@ -8,9 +8,7 @@
 from neqsim.thermo import (
     TPflash,
     fluid,
-    fluidComposition,
     ionComposition,
-    phaseenvelope,
     scaleCheck,
 )
 

examples/beggsBrillPipeline.py

@@ -71,10 +71,10 @@
 print("=" * 65)
 
 print("\nPipeline Geometry:")
-print(f"  Length:          10,000 m (10 km)")
-print(f"  Diameter:        0.30 m (12 inch)")
-print(f"  Wall roughness:  50 um")
-print(f"  Elevation gain:  200 m (uphill)")
+print("  Length:          10,000 m (10 km)")
+print("  Diameter:        0.30 m (12 inch)")
+print("  Wall roughness:  50 um")
+print("  Elevation gain:  200 m (uphill)")
 
 print("\nInlet Conditions:")
 print(f"  Pressure:        {inlet_stream.getPressure('bara'):.1f} bara")
@@ -95,7 +95,7 @@
 if outlet_fluid.hasPhaseType("gas") and outlet_fluid.hasPhaseType("oil"):
     gas_fraction = outlet_fluid.getPhase("gas").getBeta()
     liquid_fraction = 1.0 - gas_fraction
-    print(f"\nPhase Distribution at Outlet:")
+    print("\nPhase Distribution at Outlet:")
     print(f"  Gas fraction:    {gas_fraction * 100:.1f}%")
     print(f"  Liquid fraction: {liquid_fraction * 100:.1f}%")
 

examples/compressorCalc.py

@@ -8,7 +8,7 @@
 
 import pandas as pd
 from neqsim.process import clearProcess, compressor, compressorChart, runProcess, stream
-from neqsim.thermo import fluid, fluid_df
+from neqsim.thermo import fluid_df
 
 # Create a gas-condensate fluid
 naturalgas = {

examples/compressorTrain.py

@@ -10,10 +10,7 @@
     compressor,
     heater,
     runProcess,
-    separator,
     stream,
-    valve,
-    viewProcess,
 )
 from neqsim.thermo import fluid
 

examples/createFluid.py

@@ -10,8 +10,6 @@
     addOilFractions,
     createfluid,
     createfluid2,
-    dataFrame,
-    fluid,
     fluid_df,
     fluidcreator,
     phaseenvelope,

examples/ejectorProcess.py

@@ -66,17 +66,17 @@
 print("=" * 60)
 print("EJECTOR SIMULATION RESULTS")
 print("=" * 60)
-print(f"\nMotive Stream:")
+print("\nMotive Stream:")
 print(f"  Pressure:    {motive_stream.getPressure('bara'):.1f} bara")
 print(f"  Temperature: {motive_stream.getTemperature('C'):.1f} °C")
 print(f"  Flow rate:   {motive_stream.getFlowRate('kg/hr'):.0f} kg/hr")
 
-print(f"\nSuction Stream:")
+print("\nSuction Stream:")
 print(f"  Pressure:    {suction_stream.getPressure('bara'):.1f} bara")
 print(f"  Temperature: {suction_stream.getTemperature('C'):.1f} °C")
 print(f"  Flow rate:   {suction_stream.getFlowRate('kg/hr'):.0f} kg/hr")
 
-print(f"\nMixed Outlet Stream:")
+print("\nMixed Outlet Stream:")
 print(f"  Pressure:    {outlet_pressure:.2f} bara")
 print(f"  Temperature: {outlet_temperature:.1f} °C")
 print(f"  Flow rate:   {outlet_flow:.0f} kg/hr")

examples/equationOfState.py

@@ -128,7 +128,7 @@ def create_wet_gas(eos_name):
     return gas
 
 
-print(f"\nConditions: T = 25°C, P = 50 bara")
+print("\nConditions: T = 25°C, P = 50 bara")
 print("Wet natural gas with 5 mol% water")
 print("\nEoS    | # Phases | Gas Density | Water in Gas Phase")
 print("       |          | [kg/m³]     | [mol fraction]")
@@ -186,7 +186,7 @@ def create_wet_gas(eos_name):
 print("CO2 near critical point (Tc=31°C, Pc=73.8 bar)")
 print("Span-Wagner is the reference EoS for CO2")
 
-print(f"\nConditions: T = 35°C, P = 80 bara (supercritical)")
+print("\nConditions: T = 35°C, P = 80 bara (supercritical)")
 print("\nEoS           | Density [kg/m³] | Z-factor")
 print("-" * 45)
 
@@ -212,8 +212,7 @@ def create_wet_gas(eos_name):
 # =============================================================================
 print("\n6. EOS-CG FOR CO2 AND COMBUSTION GASES")
 print("-" * 40)
-print(
-    """
+print("""
 EOS-CG (Equation of State for Combustion Gases) is based on GERG-2008
 but optimized for CO2-rich mixtures and combustion product gases.
 
@@ -225,13 +224,12 @@ def create_wet_gas(eos_name):
   - Blue/green hydrogen with CO2
 
 Components: CO2, N2, O2, Ar, H2O, CO, H2, H2S, SO2, CH4
-"""
-)
+""")
 
 # Create a typical flue gas / CCS mixture
 print("Example: CO2-rich CCS mixture")
 print("Composition: 95% CO2, 3% N2, 1% O2, 1% Ar")
-print(f"\nConditions: T = 25°C, P = 100 bara (dense phase CO2)")
+print("\nConditions: T = 25°C, P = 100 bara (dense phase CO2)")
 print("\nEoS           | Density [kg/m³] | Z-factor")
 print("-" * 45)
 
@@ -263,8 +261,7 @@ def create_wet_gas(eos_name):
 # =============================================================================
 print("\n7. GUIDELINES FOR EoS SELECTION")
 print("-" * 40)
-print(
-    """
+print("""
 Application                          | Recommended EoS
 -------------------------------------|----------------------
 Natural gas properties               | GERG-2008 (most accurate)
@@ -289,6 +286,5 @@ def create_wet_gas(eos_name):
 Gas hydrates                         | CPA with hydrate model
                                      |
 Electrolyte solutions (brine)        | Electrolyte-CPA
-"""
-)
+""")
 print("=" * 70)

examples/flareSystem.py

@@ -62,17 +62,17 @@
 print("FLARE SYSTEM SIMULATION RESULTS")
 print("=" * 60)
 
-print(f"\nFlare Configuration:")
+print("\nFlare Configuration:")
 print(f"  Flame height:     {60.0} m")
 print(f"  Radiant fraction: {0.20:.0%}")
 print(f"  Tip diameter:     {0.8} m")
 
-print(f"\nOperating Conditions:")
+print("\nOperating Conditions:")
 print(f"  Inlet pressure:    {flare_inlet.getPressure('bara'):.1f} bara")
 print(f"  Inlet temperature: {flare_inlet.getTemperature('C'):.1f} °C")
 print(f"  Mass flow rate:    {flare_inlet.getFlowRate('kg/hr'):.0f} kg/hr")
 
-print(f"\nFlare Performance:")
+print("\nFlare Performance:")
 print(f"  Heat duty:         {heat_duty_mw:.2f} MW")
 print(f"  CO2 emissions:     {co2_emission:.0f} kg/hr")
 print(f"  CO2 emissions:     {co2_emission * 24 / 1000:.1f} tonnes/day")

examples/flashCalculations.py

@@ -27,9 +27,6 @@
     PHflash,
     PSflash,
     TVflash,
-    VHflash,
-    VUflash,
-    printFrame,
 )
 
 print("=" * 70)
@@ -72,13 +69,13 @@
 natural_gas.initThermoProperties()
 natural_gas.initPhysicalProperties()
 
-print(f"\nResults:")
+print("\nResults:")
 print(f"  Number of phases: {natural_gas.getNumberOfPhases()}")
 print(f"  Total density: {natural_gas.getDensity('kg/m3'):.2f} kg/m³")
 
 if natural_gas.hasPhaseType("gas"):
     gas_phase = natural_gas.getPhase("gas")
-    print(f"  Gas phase:")
+    print("  Gas phase:")
     print(
         f"    - Mole fraction: {natural_gas.getMoleFraction(natural_gas.getPhaseNumberOfPhase('gas')):.4f}"
     )
@@ -87,7 +84,7 @@
 
 if natural_gas.hasPhaseType("oil"):
     oil_phase = natural_gas.getPhase("oil")
-    print(f"  Liquid phase:")
+    print("  Liquid phase:")
     print(
         f"    - Mole fraction: {natural_gas.getMoleFraction(natural_gas.getPhaseNumberOfPhase('oil')):.4f}"
     )
@@ -120,7 +117,7 @@
 natural_gas.initThermoProperties()
 
 final_temp = natural_gas.getTemperature("C")
-print(f"\nAfter throttling to 20 bara:")
+print("\nAfter throttling to 20 bara:")
 print(f"  Final temperature: {final_temp:.1f}°C")
 print(f"  Temperature drop (JT effect): {initial_temp - final_temp:.1f}°C")
 
@@ -150,7 +147,7 @@
 natural_gas.initThermoProperties()
 
 discharge_temp = natural_gas.getTemperature("C")
-print(f"\nIsentropic discharge at 50 bara:")
+print("\nIsentropic discharge at 50 bara:")
 print(f"  Discharge temperature: {discharge_temp:.1f}°C")
 print(f"  Temperature rise: {discharge_temp - initial_temp:.1f}°C")
 
@@ -170,7 +167,7 @@
 
 # Get current volume
 system_volume = natural_gas.getVolume("m3")
-print(f"\nInitial state: T = 25°C, P = 50 bara")
+print("\nInitial state: T = 25°C, P = 50 bara")
 print(f"System volume: {system_volume:.6f} m³")
 
 # Change temperature while keeping volume constant
@@ -180,7 +177,7 @@
 natural_gas.initThermoProperties()
 
 new_pressure = natural_gas.getPressure("bara")
-print(f"\nAfter heating to 50°C at constant volume:")
+print("\nAfter heating to 50°C at constant volume:")
 print(f"  New pressure: {new_pressure:.2f} bara")
 
 # =============================================================================
@@ -189,8 +186,7 @@
 print("\n" + "=" * 70)
 print("FLASH CALCULATION SUMMARY")
 print("=" * 70)
-print(
-    """
+print("""
 Flash Type | Given          | Find           | Application
 -----------|----------------|----------------|---------------------------
 TPflash    | T, P           | Phases, comp.  | General equilibrium
@@ -199,6 +195,5 @@
 TVflash    | T, V           | P, phases      | Closed vessels
 VHflash    | V, H           | T, P, phases   | Adiabatic closed systems
 VUflash    | V, U           | T, P, phases   | Isolated systems
-"""
-)
+""")
 print("=" * 70)

examples/fluidCharacterization.py

@@ -11,7 +11,7 @@
 @author: esol
 """
 
-from neqsim.thermo import TPflash, fluid, fluidComposition, phaseenvelope
+from neqsim.thermo import TPflash, fluid, fluidComposition
 
 # Start by creating a fluid in neqsim
 fluid1 = fluid("srk")  # create a fluid using the SRK-EoS

examples/fluidCreation.py

@@ -120,7 +120,7 @@
 gas_df.setPressure(50.0, "bara")
 TPflash(gas_df)
 
-print(f"\nCreated fluid from DataFrame")
+print("\nCreated fluid from DataFrame")
 print(f"  Total molar flow: {gas_df.getTotalNumberOfMoles():.4f} mol")
 
 # =============================================================================
@@ -272,8 +272,7 @@
 # =============================================================================
 print("\n9. COMMONLY USED COMPONENTS")
 print("-" * 40)
-print(
-    """
+print("""
 Category           | Component Names
 -------------------|------------------------------------------------
 Light gases        | nitrogen, oxygen, argon, helium, hydrogen, H2S
@@ -288,8 +287,7 @@
 
 Note: For components not in database, use addTBPfraction() or
       addPlusFraction() with MW and density.
-"""
-)
+""")
 
 # =============================================================================
 # 10. ELECTROLYTE FLUIDS

examples/glycolprocess.py

@@ -11,24 +11,14 @@
     heater,
     mixer,
     pump,
-    recycle,
     runProcess,
     separator,
     stream,
     valve,
-    viewProcess,
 )
 from neqsim.thermo import (
-    TPflash,
-    addOilFractions,
-    createfluid,
-    createfluid2,
-    dataFrame,
     fluid,
     fluidComposition,
-    fluidcreator,
-    phaseenvelope,
-    printFrame,
 )
 
 # Start by creating a fluid in neqsim uing a predifined fluid (dry gas, rich gas, light oil, black oil)

examples/heatExchanger.py

@@ -5,7 +5,6 @@
 @author: esol
 """
 
-from neqsim import methods
 from neqsim.process import clearProcess, heatExchanger, runProcess, stream
 from neqsim.thermo import fluid
 

examples/heatOfCombustion.py

@@ -6,7 +6,7 @@
 """
 
 from neqsim.standards import ISO6976
-from neqsim.thermo import TPflash, fluid, fluidComposition, phaseenvelope
+from neqsim.thermo import TPflash, fluid
 
 # Start by creating a fluid in neqsim
 fluid1 = fluid("srk")  # create a fluid using the SRK-EoS