diff options
Diffstat (limited to 'Elements_Of_Mass_Transfer_Part_1/ch2.ipynb')
| -rw-r--r-- | Elements_Of_Mass_Transfer_Part_1/ch2.ipynb | 148 |
1 files changed, 31 insertions, 117 deletions
diff --git a/Elements_Of_Mass_Transfer_Part_1/ch2.ipynb b/Elements_Of_Mass_Transfer_Part_1/ch2.ipynb index b72246a4..db1c8564 100644 --- a/Elements_Of_Mass_Transfer_Part_1/ch2.ipynb +++ b/Elements_Of_Mass_Transfer_Part_1/ch2.ipynb @@ -1,6 +1,7 @@ { "metadata": { - "name": "" + "name": "", + "signature": "sha256:63ec039d8e0cb7cbcf7792965630fc54de76590123e48dd89f9e70d5575deae0" }, "nbformat": 3, "nbformat_minor": 0, @@ -27,9 +28,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusivity of nitrogen carbondioxide mixture\n", - "\n", - "# let A denote nitrogen and B denote carboondioxide\n", "\n", "# variable declaration \n", "rA=.3798;\n", @@ -80,10 +78,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "#diffusivity of hydrogen chloride mixture\n", - "# let A denote Hydrogen chloride and B denote air\n", - "\n", - "# variable declaration \n", + " \n", "\n", "#\"part(ii)\"\n", "rA=.3339;\n", @@ -136,8 +131,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# the diffusivity of isoamyl alcohol\n", - "#kopp's law is valid\n", + " \n", "\n", "# variable declaration \n", "\n", @@ -180,9 +174,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusivity of ccl4 through oxygen\n", - "\n", - "# variable declaration \n", + " \n", "\n", "pa1=(33./760)*1.013*10**5; #vapour pressure of ccl4 at 273 in pascal\n", "pa2=0;\n", @@ -233,10 +225,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# rate at which crystal dissolves\n", - "\n", - "\n", - "# variable declaration \n", + " \n", "\n", "z=.0305*10**-3; #wall thickness sorrounding the crystal\n", "x1=0.0229;\n", @@ -288,16 +277,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# rate of diffusion of alcohol water vapour mixture\n", - "#position 1 moles molefraction\n", - "# air 80 0.8\n", - "# water 20 0.2\n", - "\n", - "#position 2 moles molefraction\n", - "# air 10 0.1\n", - "# water 90 0.9\n", - "\n", - "# variable declaration \n", + " \n", "\n", "ya1=0.8;\n", "ya2=0.1;\n", @@ -341,9 +321,6 @@ "cell_type": "code", "collapsed": false, "input": [ - "# rate of diffusion if water layer is stagnant\n", - "\n", - "# variable declaration \n", "\n", "ya1=0.8;\n", "ya2=0.1;\n", @@ -389,9 +366,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# rate of loss of hydrogen\n", - "\n", - "# variable declaration \n", + " \n", "T=298.; #temperature in kelvin\n", "pt=1.*1.013*10**5; #total pressure in pascal\n", "ID=25.*10**-3; #internal diameter in m of unvulcanised rubber in m\n", @@ -441,9 +416,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# ammonia diffusion through nitrogen\n", - "\n", - "# variable declaration \n", + " \n", "pa1=(1.5)*10**4; #vapour pressure of ammonia at pt.1 \n", "pa2=(0.5)*10**4; #vapour pressure of ammonia at pt.2\n", "Dab=2.3*10**-5 #molecular diffusivity in m**2/s\n", @@ -486,17 +459,9 @@ "cell_type": "code", "collapsed": false, "input": [ - "# rate at which crystal dissolves\n", - "#position 1 moles molefraction weight\n", - "# ethanol 0.1478 0.02775 6.80\n", - "# water 5.18 0.9722 93.20\n", "\n", "import math\n", - "#position 2 moles molefraction weight\n", - "# ethanol 0.235 0.0453 10.8\n", - "# water 4.96 0.9547 89.20\n", - "\n", - "# variable declaration \n", + " \n", "\n", "z=0.4*10**-2; #film thickness sorrounding the crystal\n", "xa1=0.0453; #mole fraction of ethanol at pos.2\n", @@ -549,14 +514,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusion rate of acetic acid\n", - "#position 1 kmoles molefraction weight\n", - "# acetic acid 0.167 0.0323 10\n", - "# water 5 0.9677 90\n", - "\n", - "#position 2 kmoles molefraction weight\n", - "# aceitic acid 0.067 0.0124 4\n", - "# water 5.33 0.9876 96\n", + " \n", "import math\n", "# variable declaration \n", "\n", @@ -612,10 +570,9 @@ "cell_type": "code", "collapsed": false, "input": [ - "# rate of mass transfer\n", - "# variable declaration \n", + " \n", "\n", - "#part (i)\n", + " \n", "r=(50./2)*10**-3; #radius pf circular tube\n", "pa1=190; #vapour pressure of ammonia at pt.1 \n", "pa2=95; #vapour pressure of ammonia at pt.2\n", @@ -661,9 +618,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# partial pressure of co2\n", - "#part (i)\n", - "# variable declaration \n", + " \n", "\n", "r=(50./2)*10**-3; #radius pf circular tube\n", "pa1=(190.); #vapour pressure of ammonia at pt.1 \n", @@ -714,10 +669,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusion flux if N2 is non diffusing\n", - "\n", - "# variable declaration \n", - "\n", + " \n", "ya1=0.2; #initial mole fraction\n", "ya2=0.1; #final mole fraction\n", "T=298 #temperature in kelvin\n", @@ -762,10 +714,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusion flux of oxygen\n", - "\n", - "# variable declaration \n", - "\n", + " \n", "ya1=0.2;\n", "ya2=0.1;\n", "T=(298); #temperature in kelvin\n", @@ -808,10 +757,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusion flux through inert air\n", - "\n", - "# variable declaration \n", - "# ammonia diffusing through inert air and air is non-diffusing\n", + " \n", "ya1=0.1;\n", "ya2=0;\n", "T=293. #temperature in kelvin\n", @@ -871,14 +817,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusion rate of acetic acid\n", - "#position 1 moles molefraction weight\n", - "# acetic acid 0.15 0.0288 9\n", - "# water 5 0.9712 91\n", - "\n", - "#position 2 moles molefraction weight\n", - "# aceitic acid 0.05 0.0092 4\n", - "# water 5.389 0.9908 96\n", + " \n", "# variable declaration \n", "T=290.0; #temperature in kelvin\n", "z=2*10**-3; #film thickness sorrounding the water\n", @@ -933,9 +872,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusion flux of nitrogen\n", - "\n", - "# variable declaration \n", + " \n", "\n", "ya1=0.2; #molefraction at pos.1\n", "ya2=0.1; #molefraction at pos.2\n", @@ -988,9 +925,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusion rate of loss of benzene\n", - "\n", - "# variable declaration \n", + " \n", "\n", "pa1=0.2*10**5; #partial pressure at pos.1\n", "pa2=0; #partial pressure at pos.2\n", @@ -1037,9 +972,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# rate of diffusion of alcohol water vapour mixture\n", - "\n", - "# variable declaration \n", + " \n", "\n", "ya2=0.1; #molefraction at pos.2\n", "ya1=0.8; #molefraction at pos.1\n", @@ -1093,9 +1026,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusion rate of ammonia\n", - "\n", - "# variable declaration \n", + " \n", "\n", "ya2=0; #molefraction at pos.2\n", "ya1=0.1; #molefraction at pos.1\n", @@ -1163,8 +1094,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "#ate of evaporation\n", - "\n", + " \n", "# variable declaration \n", "pa1=0.418*10**5; #partial pressure initially\n", "pa2=0; #partial pressure of pure air\n", @@ -1213,8 +1143,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusivity of the mixture in stefan tube of toluene in air\n", - "\n", + " \n", "# variable declaration \n", "\n", "#stefan tube experiment\n", @@ -1271,9 +1200,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusion flux of a mixture of benzene and toluene\n", - "\n", - "#this is the case of equimolar counter diffusion as the latent heat of vaporisation are very close to each other\n", + " \n", "# variable declaration \n", "\n", "T=(360); #temperature in kelvin\n", @@ -1325,9 +1252,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusivity of the mixture in stefan tube\n", - "\n", - "#stefan tube experiment(pseudo steady state diffusion)\n", + " \n", "# variable declaration \n", "\n", "Ml=92.; #molecular weight of toluene\n", @@ -1382,8 +1307,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusivity of ccl4\n", - "# variable declaration \n", + " \n", "#variation in liquid level with respect to time is given below\n", "%pylab inline\n", "t=[26,185,456,1336,1958,2810,3829,4822,6385]\n", @@ -1472,9 +1396,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# rate of transfer of nitrogen and hydrogen\n", - "# variable declaration \n", - "#it is the case of equimolar conter diffusion as the tube is perfectly sealed to two bulbs at the end and the pressure throughout is constant\n", + "\n", "d=0.001;\n", "area=3.14*(d/2)**2; #area of the bulb\n", "T=298.; #temperature in kelvin \n", @@ -1521,10 +1443,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusivity of methanol in carbon tetrachloride\n", - "# variable declaration \n", - "#using wilke and chang empirical correlation\n", - "#Dab=(117.3*10**-18)*(phi*Mb)**0.5*T/(u*va**0.6);\n", + " \n", "\n", "T=288; #temperature in kelvin\n", "Mb=32; #molecular weight of methanol\n", @@ -1565,11 +1484,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# diffusivity of methanol in water\n", - "\n", - "#using wilke and chang empirical correlation\n", - "#Dab=(117.3*10**-18)*(phi*Mb)**0.5*T/(u*va**0.6);\n", - "# variable declaration \n", + " \n", "T=288.0; #temperature in kelvin\n", "Mb=18.0; #molecular weight of methanol\n", "phi=2.26; #association factor for solvent\n", @@ -1609,8 +1524,7 @@ "cell_type": "code", "collapsed": false, "input": [ - "# rate of passage of hydrogen\n", - "# variable declaration \n", + " \n", "u=20.*10**-6; #viscosity in Ns/m**2\n", "pt=2666.; #total pressure in N/m**2\n", "pa1=pt; #pressure at 1\n", |