From 624b23021afe8fde0c9863a4e0d9a3e276f1a2a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=85smund=20V=C3=A5ge=20Fannemel?=
 <34712686+asmfstatoil@users.noreply.github.com>
Date: Tue, 2 May 2023 15:10:46 +0200
Subject: [PATCH 1/2] wip

---
 .../surfaceTension/FirozabadiRamleyInterfaceTension.java | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/main/java/neqsim/physicalProperties/interfaceProperties/surfaceTension/FirozabadiRamleyInterfaceTension.java b/src/main/java/neqsim/physicalProperties/interfaceProperties/surfaceTension/FirozabadiRamleyInterfaceTension.java
index d534a49add..7706f313d3 100644
--- a/src/main/java/neqsim/physicalProperties/interfaceProperties/surfaceTension/FirozabadiRamleyInterfaceTension.java
+++ b/src/main/java/neqsim/physicalProperties/interfaceProperties/surfaceTension/FirozabadiRamleyInterfaceTension.java
@@ -53,7 +53,9 @@ public double calcPureComponentSurfaceTension(int componentNumber) {
   /**
    * {@inheritDoc}
    *
+   * <p>
    * Calculates the surfacetension using the Firozabadi Ramley (1988) method for mixtures Units: N/m
+   * </p>
    */
   @Override
   public double calcSurfaceTension(int interface1, int interface2) {
@@ -65,9 +67,10 @@ public double calcSurfaceTension(int interface1, int interface2) {
         - system.getPhase(interface1).getPhysicalProperties().getDensity());
     double Tr = system.getPhase(interface1).getTemperature()
         / system.getPhase(interface1).getPseudoCriticalTemperature();
-    // System.out.println("deltaDens " + deltaDens + " Tr " + Tr + " phasetyaae " +
-    // system.getPhase(interface1).getPhaseTypeName());
-    double a1 = 0.0, b1 = 0.0;
+    // System.out.println("deltaDens " + deltaDens + " Tr " + Tr + " phasetype " +
+    // system.getPhase(interface1).getType());
+    double a1 = 0.0;
+    double b1 = 0.0;
     if (deltaDens / 1000.0 < 0.2) {
       a1 = 2.2062;
       b1 = -0.94716;

From 179717264475a060ffd3406a150d8566cf64abe2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=85smund=20V=C3=A5ge=20Fannemel?=
 <34712686+asmfstatoil@users.noreply.github.com>
Date: Tue, 2 May 2023 15:57:06 +0200
Subject: [PATCH 2/2] wip

---
 .../InterphasePropertiesInterface.java           | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/main/java/neqsim/physicalProperties/interfaceProperties/InterphasePropertiesInterface.java b/src/main/java/neqsim/physicalProperties/interfaceProperties/InterphasePropertiesInterface.java
index 94ed6c9776..0b8c0b20ca 100644
--- a/src/main/java/neqsim/physicalProperties/interfaceProperties/InterphasePropertiesInterface.java
+++ b/src/main/java/neqsim/physicalProperties/interfaceProperties/InterphasePropertiesInterface.java
@@ -69,24 +69,24 @@ public interface InterphasePropertiesInterface extends Cloneable {
 
   /**
    * <p>
-   * getSurfaceTension.
+   * Get Surface tension between two phases.
    * </p>
    *
-   * @param i a int
-   * @param j a int
-   * @return a double
+   * @param i First phase number.
+   * @param j Second phase number.
+   * @return Surface tension in default unit.
    */
   public double getSurfaceTension(int i, int j);
 
   /**
    * <p>
-   * getSurfaceTension.
+   * Get Surface tension between two phases in a specified unit.
    * </p>
    *
-   * @param numb1 a int
-   * @param numb2 a int
+   * @param numb1 First phase number.
+   * @param numb2 Second phase number.
    * @param unit a {@link java.lang.String} object
-   * @return a double
+   * @return Surface tension in specified unit.
    */
   public double getSurfaceTension(int numb1, int numb2, String unit);