diff options
Diffstat (limited to 'Introduction_To_Chemical_Engineering/ch9.ipynb')
| -rw-r--r-- | Introduction_To_Chemical_Engineering/ch9.ipynb | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/Introduction_To_Chemical_Engineering/ch9.ipynb b/Introduction_To_Chemical_Engineering/ch9.ipynb index ebdb2cdc..ff828207 100644 --- a/Introduction_To_Chemical_Engineering/ch9.ipynb +++ b/Introduction_To_Chemical_Engineering/ch9.ipynb @@ -27,10 +27,8 @@ "cell_type": "code", "collapsed": false, "input": [ - "#to find the pressure drop in the coil\n", "\n", "import math \n", - "# Variables\n", "D = 38.*10**-3; #in m\n", "U = 1. #in m/s\n", "density = 998. #in kg/cubic m\n", @@ -39,7 +37,6 @@ "N = 10.\n", "e = 4.*10**-6; #in m\n", "\n", - "# Calculations and Results\n", "Re = (density*U*D)/viscosity;\n", "print \"Reynolds number = %f\"%(Re)\n", "\n", @@ -87,10 +84,8 @@ "cell_type": "code", "collapsed": false, "input": [ - "#to find the shell side pressure drop in heat exchanger\n", "\n", "import math \n", - "# Variables\n", "U = 0.5 #in m/s\n", "N = 19.;\n", "DT = 0.026 #in m\n", @@ -102,7 +97,6 @@ "Pr = 6.5;\n", "Prw = 7.6;\n", "\n", - "# Calculations and Results\n", "HYDIA = (DS**2-N*DT**2)/(DS+N*DT);\n", "Re = HYDIA*U*density/viscosity;\n", "print \"Reynolds number = %f\"%(Re)\n", @@ -151,7 +145,6 @@ "collapsed": false, "input": [ "import math \n", - "# Variables\n", "MH = 10. #in kg/s\n", "MC = 12.5 #in kg/s\n", "CPH = 4.2 #in kJ/kg\n", @@ -161,14 +154,12 @@ "TCI = 300. #in K\n", "U = 1.8 #in kW/sq m K\n", "\n", - "# Calculations and Results\n", "Q = MH*CPH*(THI-THO);\n", "print \"heat load = %f J\"%(Q)\n", "\n", "TCO = Q/(MC*CPC)+TCI;\n", "print \"cold fluid outlet temperature = %f K\"%(TCO)\n", "\n", - "#for co current flow\n", "\n", "DT1 = THI-TCO;\n", "DT2 = THO-TCO;\n", @@ -178,7 +169,6 @@ "A = Q/(U*LMTD);\n", "print \"for co current flow area = %f sq m\"%(A);\n", "\n", - "#for counter current flow\n", "\n", "DT1 = THI-TCO;\n", "DT2 = THO-TCI;\n", |