Added mixtures of R32 and R1234yf and R1234ze(E)

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>

CoolPropBibTeXLibrary.bib

@@ -23,6 +23,19 @@
   timestamp = {2014.09.27}
 }
 
+@ARTICLE{Akasaka-FPE-2013,
+  author = {Ryo Akasaka},
+  title = {{Thermodynamic property models for the difluoromethane (R-32) + trans-1,3,3,3-tetrafluoropropene
+	(R-1234ze(E)) and difluoromethane + 2,3,3,3-tetrafluoropropene (R-1234yf)
+	mixtures}},
+  journal = {Fluid Phase Equilib.},
+  year = {2013},
+  volume = {358},
+  pages = {98-104},
+  owner = {Belli},
+  timestamp = {2014.09.27}
+}
+
 @CONFERENCE{Akasaka-PU-2014,
   author = {Ryo Akasaka and Yukihiro Higashi},
   title = {{A Thermodynamic Property Model for the R-134a/245fa Mixtures}},

dev/mixtures/mixture_binary_pairs.json

@@ -2844,5 +2844,31 @@
     "betaV": 0.992025, 
     "gammaT": 1.00643, 
     "gammaV": 1
+  },
+  {
+    "BibTeX": "Akasaka-FPE-2013", 
+    "CAS1": "75-10-5", 
+    "CAS2": "754-12-1", 
+    "F": -0.277708, 
+    "Name1": "R32", 
+    "Name2": "R1234yf", 
+    "function": "Methane-CarbonDioxide", 
+    "betaT": 1.00052, 
+    "betaV": 0.993346, 
+    "gammaT": 0.948538, 
+    "gammaV": 1.02211
+  },
+  {
+    "BibTeX": "Akasaka-FPE-2013", 
+    "CAS1": "75-10-5", 
+    "CAS2": "29118-24-9", 
+    "F": -0.265419, 
+    "Name1": "R32", 
+    "Name2": "R1234ze(E)", 
+    "function": "Methane-Propane", 
+    "betaT": 1.00343, 
+    "betaV": 1.00586, 
+    "gammaT": 0.977857, 
+    "gammaV": 0.982707
   }
 ]