From 6279fa19ac6e2a4087df2e6fe985430ecc2c2d5d Mon Sep 17 00:00:00 2001 From: kinitrupti Date: Fri, 12 May 2017 18:53:46 +0530 Subject: Removed duplicates --- .../marupeddisameer chaitanya/Sample.ipynb | 247 +++++++++++++++++++++ 1 file changed, 247 insertions(+) create mode 100755 sample_notebooks/marupeddisameer chaitanya/Sample.ipynb (limited to 'sample_notebooks/marupeddisameer chaitanya/Sample.ipynb') diff --git a/sample_notebooks/marupeddisameer chaitanya/Sample.ipynb b/sample_notebooks/marupeddisameer chaitanya/Sample.ipynb new file mode 100755 index 00000000..bff5435f --- /dev/null +++ b/sample_notebooks/marupeddisameer chaitanya/Sample.ipynb @@ -0,0 +1,247 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 9 : Theories of Mass Transfer" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.1.1 pgno31" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The film thickness is cm 0.00765\n" + ] + } + ], + "source": [ + "#initialization of variables\n", + "p1 = 10. # pressure in atm\n", + "H = 600. # henrys constant in atm\n", + "c1 = 0 # gmol/cc\n", + "N1 = 2.3*10**-6 # mass flux in mol/cm**2-sec\n", + "c = 1./18. #total Concentration in g-mol/cc\n", + "D = 1.9*10**-5 # Diffusion co efficient in cm**2/sec\n", + "#Calculations\n", + "c1i = (p1/H)*c # Component concentration in gmol/cc\n", + "k = N1/(c1i-c1)#Mass transfer co efficient in cm/sec\n", + "l = D/k # Film thickness in cm\n", + "#Results\n", + "print\"The film thickness is cm\",round(l,5)\n", + "\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.2.1 pgno:34" + ] + }, + { + "cell_type": "code", + "execution_count": 8, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The contact time sec 3.9\n", + "\n", + "The surface resident time sec 3.0\n" + ] + } + ], + "source": [ + "#initialization of variables\n", + "D = 1.9*10**-5 #Diffusion co efficient in cm**2/sec\n", + "k = 2.5*10**-3 # M.T.C in cm/sec\n", + "from math import pi\n", + "#Calculations\n", + "Lbyvmax = 4*D/((k**2)*pi)#sec\n", + "tou = D/k**2 # sec\n", + "#Results\n", + "print\"The contact time sec\",round(Lbyvmax,1)\n", + "print\"\\nThe surface resident time sec\",round(tou,1)\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.3.1 pgno:35" + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The apparent m.t.c for the first case is cm/sec 0.000379885493042\n", + "\n", + "The apparent m.t.c for the second case is cm/sec 0.000742723884992\n", + "\n", + "The apparent is proportional to the power of of the velocity 0.61\n" + ] + } + ], + "source": [ + "#initialization of variables\n", + "const = 0.5 # The part of flow in the system which bypasses the region where the mass transfer occurs\n", + "v1 = 1. # cm/sec\n", + "al = 10**3\n", + "k = 10**-3 # cm/sec\n", + "v2 = 3. # cm/sec\n", + "from math import log\n", + "from math import exp\n", + "#Calculations\n", + "C1byC10first = const + (1-const)*(exp(-k*al/v1))# c1/c10\n", + "appk1 = (v1/al)*(log(1/C1byC10first))# Apparent m.t.c for first case in cm/sec\n", + "C1byC10second = const + (1-const)*(exp(-((3)**0.5)*k*al/v2))#c1/c10 in second case\n", + "appk2 = (v2/al)*log(1/C1byC10second)# apparent m.t.c for second case in cm/sec\n", + "power = log(appk2/appk1)/log(v2/v1)\n", + "#Results\n", + "print\"The apparent m.t.c for the first case is cm/sec\",appk1\n", + "print\"\\nThe apparent m.t.c for the second case is cm/sec\",appk2\n", + "print\"\\nThe apparent is proportional to the power of of the velocity\",round(power,2)\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.4.1 pgno:37" + ] + }, + { + "cell_type": "code", + "execution_count": 10, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The average mass transfer coefficient is cm/sec 0.000431530124388\n" + ] + } + ], + "source": [ + "#initialization of variables\n", + "D = 1*10**-5 #cm**2/sec\n", + "d = 2.3 # cm\n", + "L = 14 # cm\n", + "v0 = 6.1 # cm/sec\n", + "#gamma(4./3.)=0.8909512761;\n", + "#calculations\n", + "k = ((3**(1./3.))/(0.8909512761))*((D/d))*(((d**2)*v0/(D*L))**(1./3.))# cm/sec\n", + "#Results\n", + "print\"The average mass transfer coefficient is cm/sec\",k\n" + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 9.4.2 pgno:40" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "metadata": { + "collapsed": false + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "The distance at which turbulent flow starts is cm 300.0\n", + "\n", + "The boundary layer for flow at this point is cm 300.0\n", + "\n", + "The boundary layer for concentration at this point is cm 300.0\n", + "\n", + "The local m.t.c at the leading edge and at the position of transistion is x10**-5 cm/sec 0.589714620247\n" + ] + } + ], + "source": [ + "#initialization of variables\n", + "tn = 300000 # turbulence number\n", + "v0 = 10 # cm/sec\n", + "p = 1 # g/cc\n", + "mu = 0.01 # g/cm-sec\n", + "delta = 2.5 #cm\n", + "D = 1*10**-5 # cm**2/sec\n", + "#Calculations\n", + "x = tn*mu/(v0*p)# cm\n", + "delta = ((280/13)**(1/2))*x*((mu/(x*v0*p))**(1/2))#cm\n", + "deltac = ((D*p/mu)**(1/3))*delta#cm\n", + "k = (0.323*(D/x)*((x*v0*p/mu)**0.5)*((mu/(p*D))**(1/3)))*10**5# x*10**-5 cm/sec\n", + "#Results\n", + "print\"The distance at which turbulent flow starts is cm\",x\n", + "print\"\\nThe boundary layer for flow at this point is cm\",delta\n", + "print\"\\nThe boundary layer for concentration at this point is cm\",deltac\n", + "print\"\\nThe local m.t.c at the leading edge and at the position of transistion is x10**-5 cm/sec\",k\n" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], + "source": [] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 2", + "language": "python", + "name": "python2" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 2 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython2", + "version": "2.7.9" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} -- cgit