diff options
author | Thomas Stephen Lee | 2015-09-04 22:04:10 +0530 |
---|---|---|
committer | Thomas Stephen Lee | 2015-09-04 22:04:10 +0530 |
commit | 41f1f72e9502f5c3de6ca16b303803dfcf1df594 (patch) | |
tree | f4bf726a3e3ce5d7d9ee3781cbacfe3116115a2c /Fluidization_Engineering/ch5.ipynb | |
parent | 9c9779ba21b9bedde88e1e8216f9e3b4f8650b0e (diff) | |
download | Python-Textbook-Companions-41f1f72e9502f5c3de6ca16b303803dfcf1df594.tar.gz Python-Textbook-Companions-41f1f72e9502f5c3de6ca16b303803dfcf1df594.tar.bz2 Python-Textbook-Companions-41f1f72e9502f5c3de6ca16b303803dfcf1df594.zip |
add/remove/update books
Diffstat (limited to 'Fluidization_Engineering/ch5.ipynb')
-rwxr-xr-x | Fluidization_Engineering/ch5.ipynb | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/Fluidization_Engineering/ch5.ipynb b/Fluidization_Engineering/ch5.ipynb deleted file mode 100755 index 791c6af2..00000000 --- a/Fluidization_Engineering/ch5.ipynb +++ /dev/null @@ -1,137 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:502044f71f0f4f73ada9ff3f4a68fa509018810bcbdaf16eaa17d381758e9755" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 5 : Bubbles in Dense Beds" - ] - }, - { - "cell_type": "heading", - "level": 3, - "metadata": {}, - "source": [ - "Example 1, Page 126\n" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "dt=60.0; #ID of tube in cm \n", - "dp=300; #Size of particles of bed in micrometers\n", - "umf=3; #Velocity at minimum fluidization condition in cm/s\n", - "ephsilonmf=0.5; #Void fraction of bed at minimum fluidization condition\n", - "db=5; #Diameter of bubble in cm\n", - "g=980; #Acceleration due to gravity in cm/s**2\n", - "\n", - "#CALCULATION\n", - "#Computation of rise velocity of bubble\n", - "if (db/dt)<0.125:\n", - " ubr=(0.711*((g*db)**0.5));#Rise velocity by Eqn.(3)\n", - "elif (db/dt)<0.6:\n", - " ubr=(0.711*((g*db)**0.5))*1.2*exp(-1.49*(db/dt));#Rise velocity by Eqn.(4) \n", - "\n", - "#Computation of cloud thickness\n", - "Rb=db/2.0; #Radius of bubble\n", - "uf=umf/ephsilonmf; #Velocity of emulsion gas\n", - "Rc=Rb*((ubr+(2*uf))/(ubr-uf))**(1/3.0);#Radius of cloud by Eqn.(6)\n", - "\n", - "#OUTPUT\n", - "print 'The rise velocity of the bubble=%.1f cm/s'%ubr\n", - "print 'The cloud thickness=%.2f cm'%(Rc-Rb)\n", - "print 'From Fig.8(page 124)comparing fw vs dp, for dp = %.0f micrometer, wake fraction = 0.24'%dp\n", - "\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "The rise velocity of the bubble=49.8 cm/s\n", - "The cloud thickness=0.30 cm\n", - "From Fig.8(page 124)comparing fw vs dp, for dp = 300 micrometer, wake fraction = 0.24\n" - ] - } - ], - "prompt_number": 1 - }, - { - "cell_type": "heading", - "level": 3, - "metadata": {}, - "source": [ - "Example 2, Page 132\n" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "\n", - "import math\n", - "\n", - "#Variable declaration\n", - "uo=15; #Superificial gas velocity in cm/s\n", - "umf=1; #Velocity at minimum fluidization condition in cm/s\n", - "lor=2.0; #Pitch of perforated plate in cm\n", - "g=980; #Acceleration due to gravity in cm/s**2\n", - "#CALCULATION\n", - "#Case(a) For porous plate\n", - "dbo1=(2.78/g)*(uo-umf)**2;#Initial bubble size using Eqn.(19)\n", - "\n", - "#Case(b) For Perforated plate\n", - "Nor=(2/math.sqrt(3))*(1/lor)**2;#Number of orifices in cm**-2\n", - "dbo2=(1.30/(g**0.2))*((uo-umf)/Nor)**0.4;#Initial bubble size using Eqn.(15) assuming inital bubble size is smaller than hole spacing\n", - "\n", - "#OUTPUT\n", - "print 'Case(a) For porous plate'\n", - "print '\\tInitial bubble size=%.2fcm'%dbo1\n", - "print 'Case(b) For Perforated plate'\n", - "print '\\tInitial bubble size=%.2fcm'%dbo2\n", - "print '\\tSince %f<%f, the equation used is correct.'%(dbo2,lor)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Case(a) For porous plate\n", - "\tInitial bubble size=0.56cm\n", - "Case(b) For Perforated plate\n", - "\tInitial bubble size=1.55cm\n", - "\tSince 1.548765<2.000000, the equation used is correct.\n" - ] - } - ], - "prompt_number": 2 - }, - { - "cell_type": "code", - "collapsed": false, - "input": [], - "language": "python", - "metadata": {}, - "outputs": [] - } - ], - "metadata": {} - } - ] -}
\ No newline at end of file |