diff --git a/src/main/java/neqsim/physicalproperties/physicalpropertymethods/commonphasephysicalproperties/viscosity/PFCTViscosityMethodMod86.java b/src/main/java/neqsim/physicalproperties/physicalpropertymethods/commonphasephysicalproperties/viscosity/PFCTViscosityMethodMod86.java
index 3e3dcb5b57..f70fe1e696 100644
--- a/src/main/java/neqsim/physicalproperties/physicalpropertymethods/commonphasephysicalproperties/viscosity/PFCTViscosityMethodMod86.java
+++ b/src/main/java/neqsim/physicalproperties/physicalpropertymethods/commonphasephysicalproperties/viscosity/PFCTViscosityMethodMod86.java
@@ -56,14 +56,10 @@ public PFCTViscosityMethodMod86(
   /** {@inheritDoc} */
   @Override
   public double calcViscosity() {
-    double Pc0 = referenceSystem.getPhase(0).getComponent(0).getPC();
-    double Tc0 = referenceSystem.getPhase(0).getComponent(0).getTC();
-    double M0 = referenceSystem.getPhase(0).getComponent(0).getMolarMass() * 1e3;
+    final double Pc0 = referenceSystem.getPhase(0).getComponent(0).getPC();
+    final double Tc0 = referenceSystem.getPhase(0).getComponent(0).getTC();
+    final double M0 = referenceSystem.getPhase(0).getComponent(0).getMolarMass() * 1e3;
     double PCmix = 0.0;
-    double TCmix = 0.0;
-    double Mmix = 0.0;
-    double alfa0 = 1.0;
-    double alfaMix = 1.0;
     double tempTC1 = 0.0;
     double tempTC2 = 0.0;
     double tempPC1 = 0.0;
@@ -97,8 +93,9 @@ public double calcViscosity() {
       return 0.0;
     }
     PCmix = 8.0 * tempPC1 / (tempPC2 * tempPC2);
-    TCmix = tempTC1 / tempTC2;
-    Mmix = (Mmtemp + 1.304e-4 * (Math.pow(Mwtemp / Mmtemp, 2.303) - Math.pow(Mmtemp, 2.303))) * 1e3; // phase.getPhase().getMolarMass();
+    double TCmix = tempTC1 / tempTC2;
+    double Mmix =
+        (Mmtemp + 1.304e-4 * (Math.pow(Mwtemp / Mmtemp, 2.303) - Math.pow(Mmtemp, 2.303))) * 1e3; // phase.getPhase().getMolarMass();
 
     referenceSystem.setTemperature(phase.getPhase().getTemperature()
         * referenceSystem.getPhase(0).getComponent(0).getTC() / TCmix);
@@ -112,8 +109,8 @@ public double calcViscosity() {
     double critMolDens = 10.15; // 1.0/referenceSystem.getPhase(0).getComponent(0).getCriticalVolume();
     double redDens = molDens / critMolDens;
 
-    alfaMix = 1.0 + 7.378e-3 * Math.pow(redDens, 1.847) * Math.pow(Mmix, 0.5173);
-    alfa0 = 1.0 + 7.378e-3 * Math.pow(redDens, 1.847)
+    double alfaMix = 1.0 + 7.378e-3 * Math.pow(redDens, 1.847) * Math.pow(Mmix, 0.5173);
+    double alfa0 = 1.0 + 7.378e-3 * Math.pow(redDens, 1.847)
         * Math.pow(referenceSystem.getMolarMass() * 1.0e3, 0.5173);
     // alfa0 = 1.0 + 8.374e-4 * Math.pow(redDens, 4.265);
     // System.out.println("func " + 7.475e-5*Math.pow(16.043, 0.8579));
diff --git a/src/main/java/neqsim/processsimulation/measurementdevice/HydrateEquilibriumTemperatureAnalyser.java b/src/main/java/neqsim/processsimulation/measurementdevice/HydrateEquilibriumTemperatureAnalyser.java
index 4dba3085fb..a280292a02 100644
--- a/src/main/java/neqsim/processsimulation/measurementdevice/HydrateEquilibriumTemperatureAnalyser.java
+++ b/src/main/java/neqsim/processsimulation/measurementdevice/HydrateEquilibriumTemperatureAnalyser.java
@@ -20,17 +20,6 @@ public class HydrateEquilibriumTemperatureAnalyser extends StreamMeasurementDevi
 
   private double referencePressure = 0;
 
-  /**
-   * <p>
-   * Constructor for HydrateEquilibriumTemperatureAnalyser.
-   * </p>
-   *
-   * @param stream a {@link neqsim.processsimulation.processequipment.stream.StreamInterface} object
-   */
-  public HydrateEquilibriumTemperatureAnalyser(StreamInterface stream) {
-    this("HydrateEquilibriumTemperatureAnalyser", stream);
-  }
-
   /**
    * <p>
    * Constructor for HydrateEquilibriumTemperatureAnalyser.
@@ -40,7 +29,7 @@ public HydrateEquilibriumTemperatureAnalyser(StreamInterface stream) {
    * @param stream a {@link neqsim.processsimulation.processequipment.stream.StreamInterface} object
    */
   public HydrateEquilibriumTemperatureAnalyser(String name, StreamInterface stream) {
-    super("HydrateEquilibriumTemperatureAnalyser", "K", stream);
+    super(name, "K", stream);
     setConditionAnalysisMaxDeviation(1.0);
   }
 
diff --git a/src/main/java/neqsim/processsimulation/measurementdevice/simpleflowregime/Pipe.java b/src/main/java/neqsim/processsimulation/measurementdevice/simpleflowregime/Pipe.java
index 5d98257f6d..98a26febea 100644
--- a/src/main/java/neqsim/processsimulation/measurementdevice/simpleflowregime/Pipe.java
+++ b/src/main/java/neqsim/processsimulation/measurementdevice/simpleflowregime/Pipe.java
@@ -1,4 +1,3 @@
-// Create a Pipe Object
 package neqsim.processsimulation.measurementdevice.simpleflowregime;
 
 /**
@@ -10,22 +9,13 @@
  * @version $Id: $Id
  */
 public class Pipe {
-  private String name = "Default severe slug pipe";
+  private String name;
   private double internalDiameter = 0.05;
   private double leftLength = 167.0;
   private double rightLength = 7.7;
   private double angle = 2.0;
   final double pi = 3.1415926;
 
-  // Default Constructor:
-  Pipe() {
-    this.setName(name);
-    this.setInternalDiameter(internalDiameter);
-    this.setLeftLength(leftLength);
-    this.setRightLength(rightLength);
-    this.setAngle(angle);
-  }
-
   // User Defined pipe parameters including pipe name (constructor):
   Pipe(String name, double internalDiameter, double leftLength, double rightLength, double angle) {
     this.setName(name);
@@ -35,14 +25,6 @@ public class Pipe {
     this.setAngle(angle);
   }
 
-  // User Defined pipe parameters excluding pipe name (constructor):
-  Pipe(double internalDiameter, double leftLength, double rightLength, double angle) {
-    this.setInternalDiameter(internalDiameter);
-    this.setLeftLength(leftLength);
-    this.setRightLength(rightLength);
-    this.setAngle(angle);
-  }
-
   // Encapsulation: Get and Set Methods. This keyword referes to the current object
   // 1. Pipe name encapsulation
   /**
@@ -153,15 +135,17 @@ public void setAngle(double angle) {
    * Getter for the field <code>angle</code>.
    * </p>
    *
-   * @param unit a {@link java.lang.String} object
-   * @return a double
+   * @param unit Unit
+   * @return Angle in unit. Defaults to Degree
    */
   public double getAngle(String unit) {
     if (unit.equals("Degree")) {
+      return this.angle;
     } else if (unit.equals("Radian")) {
       return this.angle * pi / 180;
     }
-    return this.angle;
+    throw new RuntimeException(
+        new neqsim.util.exception.InvalidInputException(this, "getAngle", "unit"));
   }
 
   /**
diff --git a/src/main/java/neqsim/processsimulation/measurementdevice/simpleflowregime/SevereSlugAnalyser.java b/src/main/java/neqsim/processsimulation/measurementdevice/simpleflowregime/SevereSlugAnalyser.java
index 2a68f73529..f55053cf10 100644
--- a/src/main/java/neqsim/processsimulation/measurementdevice/simpleflowregime/SevereSlugAnalyser.java
+++ b/src/main/java/neqsim/processsimulation/measurementdevice/simpleflowregime/SevereSlugAnalyser.java
@@ -36,10 +36,6 @@ public class SevereSlugAnalyser extends MeasurementDeviceBaseClass {
   private double outletPressure = 100000.0;
   private double temperature = 20.0;
   private int numberOfTimeSteps = 20000;
-  private double internalDiameter = 0.0;
-  private double leftLength = 0.0;
-  private double rightLength = 0.0;
-  private double angle = 0.0;
 
   // These variables should not be changed by the user I guess.
   // But this can be done if the user has advanced knowledge about the problem.
@@ -104,41 +100,60 @@ public class SevereSlugAnalyser extends MeasurementDeviceBaseClass {
 
   String flowPattern;
 
-  // This constructor is used for the "default" values
-  public SevereSlugAnalyser() {
-    super("SevereSlugAnalyser", "m3/sec");
+  /**
+   * Constructor for class SevereSlugAnalyser.
+   *
+   * @param name Name of object
+   */
+  public SevereSlugAnalyser(String name) {
+    super(name, "m3/sec");
   }
 
   /**
    * Constructor for class SevereSlugAnalyser.
    *
+   * @param name Name of object
    * @param usl Superficial liquid velocity
    * @param usg Superficial gas velocity
    */
-  public SevereSlugAnalyser(double usl, double usg) {
-    this();
+  public SevereSlugAnalyser(String name, double usl, double usg) {
+    this(name);
     this.setSuperficialLiquidVelocity(usl);
     this.setSuperficialGasVelocity(usg);
   }
 
-  // This constructor is used for the user input of superficial liquid and gas velocities,
-  // outletPressure,
-  // temperature, simulationTime, numberOfTimeSteps
-  // and the rest will be the default values
+  /**
+   * Constructor for class SevereSlugAnalyser.
+   *
+   * @param name Name of object
+   * @param outletPressure Pipe Outlet Pressure
+   * @param temperature Slug temperature.
+   * @param simulationTime Simulation time
+   * @param numberOfTimeSteps Number of simulation time steps to calculate
+   */
+  public SevereSlugAnalyser(String name, double outletPressure, double temperature,
+      double simulationTime, int numberOfTimeSteps) {
+    this(name);
+    this.setOutletPressure(outletPressure);
+    this.setTemperature(temperature);
+    this.setSimulationTime(simulationTime);
+    this.setNumberOfTimeSteps(numberOfTimeSteps);
+  }
 
   /**
    * Constructor for class SevereSlugAnalyser.
    *
+   * @param name Name of object
    * @param usl Superficial liquid velocity
    * @param usg Superficial gas velocity
-   * @param outletPressure
-   * @param temperature
-   * @param simulationTime
-   * @param numberOfTimeSteps
+   * @param outletPressure Pipe Outlet Pressure in Pa
+   * @param temperature Slug temperature.
+   * @param simulationTime Simulation time
+   * @param numberOfTimeSteps Number of simulation time steps to calculate
    */
-  SevereSlugAnalyser(double usl, double usg, double outletPressure, double temperature,
+  SevereSlugAnalyser(String name, double usl, double usg, double outletPressure, double temperature,
       double simulationTime, int numberOfTimeSteps) {
-    this(usl, usg);
+    this(name, usl, usg);
     this.setOutletPressure(outletPressure);
     this.setTemperature(temperature);
     this.setSimulationTime(simulationTime);
@@ -148,16 +163,17 @@ public SevereSlugAnalyser(double usl, double usg) {
   /**
    * Constructor for class SevereSlugAnalyser.
    *
-   * @param fluid
-   * @param pipe
-   * @param outletPressure
-   * @param temperature
-   * @param simulationTime
-   * @param numberOfTimeSteps
+   * @param name Name of object
+   * @param fluid Fluid object. Used to calculate usl and usg
+   * @param pipe Pipe object
+   * @param outletPressure Pipe Outlet Pressure
+   * @param temperature Slug temperature.
+   * @param simulationTime Simulation time
+   * @param numberOfTimeSteps Number of simulation time steps to calculate
    */
-  public SevereSlugAnalyser(SystemInterface fluid, Pipe pipe, double outletPressure,
+  public SevereSlugAnalyser(String name, SystemInterface fluid, Pipe pipe, double outletPressure,
       double temperature, double simulationTime, int numberOfTimeSteps) {
-    this();
+    this(name, outletPressure, temperature, simulationTime, numberOfTimeSteps);
     ThermodynamicOperations ops = new ThermodynamicOperations(fluid);
     ops.TPflash();
     fluid.initProperties();
@@ -169,30 +185,61 @@ public SevereSlugAnalyser(SystemInterface fluid, Pipe pipe, double outletPressur
           + fluid.getPhase(2).getFlowRate("m3/sec") / pipe.getArea();
     }
     usg = fluid.getPhase(0).getFlowRate("m3/sec") / pipe.getArea();
-    this.setOutletPressure(outletPressure);
-    this.setTemperature(temperature);
-    this.setSimulationTime(simulationTime);
-    this.setNumberOfTimeSteps(numberOfTimeSteps);
   }
 
   /**
    * Constructor for class SevereSlugAnalyser.
    *
-   * @param stream
-   * @param internalDiameter
-   * @param leftLength
-   * @param rightLength
-   * @param angle
-   * @param outletPressure
-   * @param temperature
-   * @param simulationTime
-   * @param numberOfTimeSteps
+   * @param name Name of object
+   * @param stream Stream object
+   * @param internalDiameter pipe internal diameter
+   * @param leftLength pipe left length
+   * @param rightLength pipe right length
+   * @param angle pipe angle
+   */
+  public SevereSlugAnalyser(String name, Stream stream, double internalDiameter, double leftLength,
+      double rightLength, double angle) {
+    this(name, stream, internalDiameter, leftLength, rightLength, angle, stream.getPressure("Pa"),
+        stream.getTemperature("C"), 500.0, 50000);
+  }
+
+  /**
+   * Constructor for class SevereSlugAnalyser.
+   *
+   * @param name Name of object
+   * @param stream Stream object
+   * @param internalDiameter pipe internal diameter
+   * @param leftLength pipe left length
+   * @param rightLength pipe right length
+   * @param angle pipe angle
+   * @param simulationTime Simulation time
+   * @param numberOfTimeSteps Number of simulation time steps to calculate
+   */
+  public SevereSlugAnalyser(String name, Stream stream, double internalDiameter, double leftLength,
+      double rightLength, double angle, double simulationTime, int numberOfTimeSteps) {
+    this(name, stream, internalDiameter, leftLength, rightLength, angle, stream.getPressure("Pa"),
+        stream.getTemperature("C"), simulationTime, numberOfTimeSteps);
+  }
+
+  /**
+   * Constructor for class SevereSlugAnalyser.
+   *
+   * @param name Name of object
+   * @param stream Stream object
+   * @param internalDiameter Pipe internal diameter
+   * @param leftLength Pipe left length
+   * @param rightLength Pipe right length
+   * @param angle Pipe angle
+   * @param outletPressure Pipe Outlet Pressure in Pa
+   * @param temperature Slug temperature.
+   * @param simulationTime Simulation time
+   * @param numberOfTimeSteps Number of simulation time steps to calculate
    */
-  public SevereSlugAnalyser(Stream stream, double internalDiameter, double leftLength,
+  public SevereSlugAnalyser(String name, Stream stream, double internalDiameter, double leftLength,
       double rightLength, double angle, double outletPressure, double temperature,
       double simulationTime, int numberOfTimeSteps) {
-    this();
-    pipe = new Pipe(internalDiameter, leftLength, rightLength, angle);
+    this(name);
+    pipe = new Pipe("slugpipe", internalDiameter, leftLength, rightLength, angle);
     streamS = stream;
     SystemInterface fluid = stream.getThermoSystem();
     ThermodynamicOperations ops = new ThermodynamicOperations(fluid);
@@ -207,39 +254,10 @@ public SevereSlugAnalyser(Stream stream, double internalDiameter, double leftLen
     fluidSevereS = new FluidSevereSlug(fluid);
     usg = fluid.getPhase(0).getFlowRate("m3/sec") / pipe.getArea();
 
-    severeSlug = new SevereSlugAnalyser(usl, usg, outletPressure, temperature, simulationTime,
+    severeSlug = new SevereSlugAnalyser(name, usl, usg, outletPressure, temperature, simulationTime,
         numberOfTimeSteps);
   }
 
-  public SevereSlugAnalyser(Stream stream, double internalDiameter, double leftLength,
-      double rightLength, double angle, double simulationTime, int numberOfTimeSteps) {
-    this(stream, internalDiameter, leftLength, rightLength, angle, stream.getPressure("Pa"),
-        stream.getTemperature("C"), simulationTime, numberOfTimeSteps);
-  }
-
-  public SevereSlugAnalyser(Stream stream, double internalDiameter, double leftLength,
-      double rightLength, double angle) {
-    this(stream, internalDiameter, leftLength, rightLength, angle, stream.getPressure("Pa"),
-        stream.getTemperature("C"), 500.0, 50000);
-  }
-
-  /**
-   * Constructor for class SevereSlugAnalyser.
-   *
-   * @param outletPressure
-   * @param temperature
-   * @param simulationTime
-   * @param numberOfTimeSteps
-   */
-  public SevereSlugAnalyser(double outletPressure, double temperature, double simulationTime,
-      int numberOfTimeSteps) {
-    this();
-    this.setOutletPressure(outletPressure);
-    this.setTemperature(temperature);
-    this.setSimulationTime(simulationTime);
-    this.setNumberOfTimeSteps(numberOfTimeSteps);
-  }
-
   /**
    * <p>
    * setSuperficialLiquidVelocity.
@@ -312,7 +330,7 @@ public double getSlugValue() {
    * Setter for the field <code>outletPressure</code>.
    * </p>
    *
-   * @param outletPressure a double
+   * @param outletPressure Value in engineering unit Pa
    */
   public void setOutletPressure(double outletPressure) {
     this.outletPressure = outletPressure;
@@ -323,7 +341,7 @@ public void setOutletPressure(double outletPressure) {
    * Getter for the field <code>outletPressure</code>.
    * </p>
    *
-   * @return a double
+   * @return Get pressure in Pa
    */
   public double getOutletPressure() {
     return outletPressure;
@@ -684,8 +702,8 @@ public double getMeasuredValue(String unit) {
     }
     fluidSevereS = new FluidSevereSlug(fluid);
     usg = fluid.getPhase(0).getFlowRate("m3/sec") / pipe.getArea();
-    severeSlug = new SevereSlugAnalyser(usl, usg, outletPressure, temperature, simulationTime,
-        numberOfTimeSteps);
+    severeSlug = new SevereSlugAnalyser("tmp", usl, usg, outletPressure, temperature,
+        simulationTime, numberOfTimeSteps);
     checkFlowRegime(fluidSevereS, pipe, severeSlug);
     return slugValue;
   }
@@ -717,7 +735,6 @@ public double getMeasuredValue(FluidSevereSlug fluid, Pipe pipe, SevereSlugAnaly
    * @return a {@link java.lang.String} object
    */
   public String getPredictedFlowRegime() {
-    logger.debug(angle);
     SystemInterface fluid = streamS.getThermoSystem();
     ThermodynamicOperations ops = new ThermodynamicOperations(fluid);
     ops.TPflash();
@@ -735,8 +752,8 @@ public String getPredictedFlowRegime() {
       }
       fluidSevereS = new FluidSevereSlug(fluid);
       usg = fluid.getPhase(0).getFlowRate("m3/sec") / pipe.getArea();
-      severeSlug = new SevereSlugAnalyser(usl, usg, outletPressure, temperature, simulationTime,
-          numberOfTimeSteps);
+      severeSlug = new SevereSlugAnalyser("tmp", usl, usg, outletPressure, temperature,
+          simulationTime, numberOfTimeSteps);
       checkFlowRegime(fluidSevereS, pipe, severeSlug);
     }
     return flowPattern;
@@ -778,7 +795,7 @@ public static void main(String[] args) {
     testSystem.init(0);
     Stream inputStream = new Stream("inputStream", testSystem);
     SevereSlugAnalyser mySevereSlug4 =
-        new SevereSlugAnalyser(inputStream, 0.05, 167, 7.7, 2, 100000.0, 20.0, 200.0, 20000);
+        new SevereSlugAnalyser("tmp", inputStream, 0.05, 167, 7.7, 2, 100000.0, 20.0, 200.0, 20000);
     logger.debug(inputStream.getFlowRate("kg/sec"));
     mySevereSlug4.getPredictedFlowRegime();
     // inputStream.setFlowRate(0.00001, "MSm^3/day");
diff --git a/src/main/java/neqsim/processsimulation/processequipment/manifold/Manifold.java b/src/main/java/neqsim/processsimulation/processequipment/manifold/Manifold.java
index d58b4134ba..2d1ad5de05 100644
--- a/src/main/java/neqsim/processsimulation/processequipment/manifold/Manifold.java
+++ b/src/main/java/neqsim/processsimulation/processequipment/manifold/Manifold.java
@@ -22,29 +22,21 @@ public class Manifold extends ProcessEquipmentBaseClass {
   private static final long serialVersionUID = 1000;
   static Logger logger = LogManager.getLogger(Manifold.class);
 
-  protected Mixer localmixer = new Mixer("local mixer");
-  protected Splitter localsplitter = new Splitter("local splitter");
+  protected Mixer localmixer = new Mixer("tmpName");
+  protected Splitter localsplitter = new Splitter("tmpName");
 
   double[] splitFactors = new double[1];
 
   /**
    * <p>
-   * Constructor for Splitter.
-   * </p>
-   */
-  public Manifold() {
-    super("Manifold");
-  }
-
-  /**
-   * <p>
-   * Constructor for Splitter with name as input.
+   * Constructor for Manifold with name as input.
    * </p>
    *
    * @param name name of manifold
    */
   public Manifold(String name) {
     super(name);
+    setName(name);
   }
 
   /**
@@ -73,7 +65,9 @@ public void setSplitFactors(double[] splitFact) {
   }
 
   /**
-   * <p>getSplitStream.</p>
+   * <p>
+   * getSplitStream.
+   * </p>
    *
    * @param i a int
    * @return a {@link neqsim.processsimulation.processequipment.stream.StreamInterface} object
@@ -100,4 +94,12 @@ public void run(UUID id) {
     localsplitter.setInletStream(localmixer.getOutletStream());
     localsplitter.run();
   }
+
+  /** {@inheritDoc} */
+  @Override
+  public void setName(String name) {
+    super.setName(name);
+    localmixer.setName(name + "local mixer");
+    localsplitter.setName(name + "local splitter");
+  }
 }
diff --git a/src/main/java/neqsim/processsimulation/processequipment/splitter/ComponentSplitter.java b/src/main/java/neqsim/processsimulation/processequipment/splitter/ComponentSplitter.java
index 07119b7642..ffe6f50f8c 100644
--- a/src/main/java/neqsim/processsimulation/processequipment/splitter/ComponentSplitter.java
+++ b/src/main/java/neqsim/processsimulation/processequipment/splitter/ComponentSplitter.java
@@ -27,15 +27,6 @@ public class ComponentSplitter extends ProcessEquipmentBaseClass {
   protected int splitNumber = 1;
   double[] splitFactor = new double[1];
 
-  /**
-   * <p>
-   * Constructor for Splitter.
-   * </p>
-   */
-  public ComponentSplitter() {
-    super("Component Splitter");
-  }
-
   /**
    * Constructor for Splitter.
    *
diff --git a/src/main/java/neqsim/processsimulation/processequipment/util/StreamTransition.java b/src/main/java/neqsim/processsimulation/processequipment/util/StreamTransition.java
index f1a60243fd..091ab31780 100644
--- a/src/main/java/neqsim/processsimulation/processequipment/util/StreamTransition.java
+++ b/src/main/java/neqsim/processsimulation/processequipment/util/StreamTransition.java
@@ -17,31 +17,6 @@
 public class StreamTransition extends TwoPortEquipment {
   private static final long serialVersionUID = 1L;
 
-  /**
-   * <p>
-   * Constructor for StreamTransition.
-   * </p>
-   */
-  @Deprecated
-  public StreamTransition() {
-    super("StreamTransition");
-  }
-
-  /**
-   * <p>
-   * Constructor for StreamTransition.
-   * </p>
-   *
-   * @param inletStream a {@link neqsim.processsimulation.processequipment.stream.StreamInterface}
-   *        object
-   * @param outletStream a {@link neqsim.processsimulation.processequipment.stream.StreamInterface}
-   *        object
-   */
-  @Deprecated
-  public StreamTransition(StreamInterface inletStream, StreamInterface outletStream) {
-    this("StreamTransition", inletStream, outletStream);
-  }
-
   /**
    * <p>
    * Constructor for StreamTransition.
@@ -104,7 +79,7 @@ public static void main(String[] args) {
     ProcessSystem offshoreProcessoperations = ProcessSystem.open("c:/temp/offshorePro.neqsim");
     ProcessSystem TEGprocess = ProcessSystem.open("c:/temp//TEGprocessHX.neqsim");
     StreamTransition trans =
-        new StreamTransition((StreamInterface) offshoreProcessoperations.getUnit("rich gas"),
+        new StreamTransition("tmp", (StreamInterface) offshoreProcessoperations.getUnit("rich gas"),
             (StreamInterface) TEGprocess.getUnit("dry feed gas"));
 
     UUID id = UUID.randomUUID();
diff --git a/src/test/java/neqsim/processsimulation/measurementdevice/simpleflowregime/SevereSlugTest.java b/src/test/java/neqsim/processsimulation/measurementdevice/simpleflowregime/SevereSlugTest.java
index 8d47db4019..a591813e51 100644
--- a/src/test/java/neqsim/processsimulation/measurementdevice/simpleflowregime/SevereSlugTest.java
+++ b/src/test/java/neqsim/processsimulation/measurementdevice/simpleflowregime/SevereSlugTest.java
@@ -18,7 +18,8 @@ void testCheckFlowRegime1() {
     testSystem2.init(0);
 
     Stream inputStream3 = new Stream("test stream", testSystem2);
-    SevereSlugAnalyser mySevereSlug6 = new SevereSlugAnalyser(inputStream3, 0.05, 167, 7.7, 0.1);
+    SevereSlugAnalyser mySevereSlug6 =
+        new SevereSlugAnalyser("tmp", inputStream3, 0.05, 167, 7.7, 0.1);
     assertEquals(mySevereSlug6.getPredictedFlowRegime(), "Severe Slug", "");
     assertEquals(0.19085996383839476, mySevereSlug6.getMeasuredValue(), 1e-1, "");
   }
diff --git a/src/test/java/neqsim/thermo/system/SystemThermoTest.java b/src/test/java/neqsim/thermo/system/SystemThermoTest.java
index b70e78b437..905fdd96e3 100644
--- a/src/test/java/neqsim/thermo/system/SystemThermoTest.java
+++ b/src/test/java/neqsim/thermo/system/SystemThermoTest.java
@@ -131,7 +131,6 @@ void TESTsetForceSinglePhase() {
     testOps.TPflash();
     testSystem.initProperties();
 
-
     double density = testSystem.getDensity("kg/m3");
 
     testSystem.setForceSinglePhase(PhaseType.GAS);
@@ -144,7 +143,5 @@ void TESTsetForceSinglePhase() {
     testSystem.initProperties();
 
     assertEquals(density, testSystem.getDensity("kg/m3"), 1e-4);
-
-
   }
 }