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author | Trupti Kini | 2016-02-12 23:30:12 +0600 |
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committer | Trupti Kini | 2016-02-12 23:30:12 +0600 |
commit | 31971be1cad3895af030bb3909a791a0b0ad6b4f (patch) | |
tree | 2b15a81deccde7acdac20f934675fccd677812a2 /Machine_Design_by_U.C._Jindal/Ch17.ipynb | |
parent | c00ea066e3f752b36e9afb0ced7084b71814c89e (diff) | |
download | Python-Textbook-Companions-31971be1cad3895af030bb3909a791a0b0ad6b4f.tar.gz Python-Textbook-Companions-31971be1cad3895af030bb3909a791a0b0ad6b4f.tar.bz2 Python-Textbook-Companions-31971be1cad3895af030bb3909a791a0b0ad6b4f.zip |
Added(A)/Deleted(D) following books
A Electronics_Engineering_by_P._Raja/chapter_1_2.ipynb
A Electronics_Engineering_by_P._Raja/chapter_2_2.ipynb
A Electronics_Engineering_by_P._Raja/chapter_3_2.ipynb
A Electronics_Engineering_by_P._Raja/chapter_4_2.ipynb
A Electronics_Engineering_by_P._Raja/chapter_5_2.ipynb
A Electronics_Engineering_by_P._Raja/chapter_6_2.ipynb
A Electronics_Engineering_by_P._Raja/chapter_7_2.ipynb
A Electronics_Engineering_by_P._Raja/chapter_8_2.ipynb
A Electronics_Engineering_by_P._Raja/chapter_9_2.ipynb
A Electronics_Engineering_by_P._Raja/screenshots/7_2.png
A Electronics_Engineering_by_P._Raja/screenshots/snap-3_2.png
A Electronics_Engineering_by_P._Raja/screenshots/snap-6_2.png
A Machine_Design_by_U.C._Jindal/Ch10.ipynb
A Machine_Design_by_U.C._Jindal/Ch11.ipynb
A Machine_Design_by_U.C._Jindal/Ch12.ipynb
A Machine_Design_by_U.C._Jindal/Ch13.ipynb
A Machine_Design_by_U.C._Jindal/Ch14.ipynb
A Machine_Design_by_U.C._Jindal/Ch15.ipynb
A Machine_Design_by_U.C._Jindal/Ch16.ipynb
A Machine_Design_by_U.C._Jindal/Ch17.ipynb
A Machine_Design_by_U.C._Jindal/Ch18.ipynb
A Machine_Design_by_U.C._Jindal/Ch19.ipynb
A Machine_Design_by_U.C._Jindal/Ch20.ipynb
A Machine_Design_by_U.C._Jindal/Ch21.ipynb
A Machine_Design_by_U.C._Jindal/Ch22.ipynb
A Machine_Design_by_U.C._Jindal/Ch23.ipynb
A Machine_Design_by_U.C._Jindal/Ch24.ipynb
A Machine_Design_by_U.C._Jindal/Ch25.ipynb
A Machine_Design_by_U.C._Jindal/Ch26.ipynb
A Machine_Design_by_U.C._Jindal/Ch27.ipynb
A Machine_Design_by_U.C._Jindal/Ch28.ipynb
A Machine_Design_by_U.C._Jindal/Ch29.ipynb
A Machine_Design_by_U.C._Jindal/Ch3.ipynb
A Machine_Design_by_U.C._Jindal/Ch30.ipynb
A Machine_Design_by_U.C._Jindal/Ch31.ipynb
A Machine_Design_by_U.C._Jindal/Ch4.ipynb
A Machine_Design_by_U.C._Jindal/Ch5.ipynb
A Machine_Design_by_U.C._Jindal/Ch6.ipynb
A Machine_Design_by_U.C._Jindal/Ch7.ipynb
A Machine_Design_by_U.C._Jindal/Ch8.ipynb
A Machine_Design_by_U.C._Jindal/Ch9.ipynb
A Machine_Design_by_U.C._Jindal/screenshots/Chapter-3stressgraph.png
A Machine_Design_by_U.C._Jindal/screenshots/Chapter-_8AdditionalLoad.png
A Machine_Design_by_U.C._Jindal/screenshots/Chapter11_-_strengthofrevet.png
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter02_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter03_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter04_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter05_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter06_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter07_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter08_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter09_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter10_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/Chapter11_2.ipynb
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/screenshots/Screenshot_3.1.py.PNG
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/screenshots/Screenshot_6.1.py.PNG
A Solid_State_Devices_and_Circuits___by_V._Chaudhary_and_H._K._Maity/screenshots/Screenshot_6.2.py.PNG
A sample_notebooks/PriyankaSaini/Chapter3.ipynb
A sample_notebooks/ebbygeorge/Chapter01.ipynb
Diffstat (limited to 'Machine_Design_by_U.C._Jindal/Ch17.ipynb')
-rw-r--r-- | Machine_Design_by_U.C._Jindal/Ch17.ipynb | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/Machine_Design_by_U.C._Jindal/Ch17.ipynb b/Machine_Design_by_U.C._Jindal/Ch17.ipynb new file mode 100644 index 00000000..ea3f1c00 --- /dev/null +++ b/Machine_Design_by_U.C._Jindal/Ch17.ipynb @@ -0,0 +1,362 @@ +{ + "metadata": { + "name": "", + "signature": "sha256:d8d637e7ecf72daf7222d9457fa6d30ac8f9c6b3089d299c87aaa45e1504178c" + }, + "nbformat": 3, + "nbformat_minor": 0, + "worksheets": [ + { + "cells": [ + { + "cell_type": "heading", + "level": 1, + "metadata": {}, + "source": [ + "Ch:17 Sliding contact bearings" + ] + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 17-1 - Page 482" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from __future__ import division\n", + "from math import pi, sqrt\n", + "Ta=22#\n", + "u=7/10**9#\n", + "nj=20#\n", + "r=25#\n", + "l=2*r#\n", + "Ao=30000#\n", + "Uo=15.3/10**3#\n", + "c=0.025#\n", + "#specific weight of the material is rho\n", + "rho=8.46*(10**-6)#\n", + "Cp=179.8#\n", + "Tf=Ta+(16*pi**3*u*nj**2*l*r**3/(Uo*Ao*c))#\n", + "# avg mean film temperature is Tav\n", + "Tav=(Tf-Ta)/2#\n", + "x= l*c*rho*pi*r*nj*Cp*10**3#\n", + "y=Ao*Tav*Uo#\n", + "delT=y/x#\n", + "print \" Tav is %0.2f degC \"%(Tav)#\n", + "print \"\\n delT is %0.1f degC \"%(delT)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " Tav is 47.29 degC \n", + "\n", + " delT is 7.3 degC \n" + ] + } + ], + "prompt_number": 1 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 17-2 - Page 482" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "l=60#\n", + "d=60#\n", + "r=d/2#\n", + "ho=0.008#\n", + "c=0.04#\n", + "S=0.0446#\n", + "nj=1260/60#\n", + "W=6000#\n", + "p=W/(l*d)#\n", + "u=S*(c/r)**2*p/nj#\n", + "u=u*10**9#\n", + "print \"u is %0.3f cP \"%(u)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "u is 6.293 cP \n" + ] + } + ], + "prompt_number": 2 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 17-3 - Page 483" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "d=60#\n", + "r=30#\n", + "l=60#\n", + "c=0.8*10**-3*r#\n", + "ho=0.2*c#\n", + "W=21000/2#\n", + "p=W/(l*d)#\n", + "S=0.0446#\n", + "nj=1440/60#\n", + "u=S*(c/r)**2*p/nj#\n", + "u=u*10**9#\n", + "# since Q/(r*nj*l)=4.62\n", + "Q=4.62*r*c*nj*l#\n", + "Q=Q*60/10**6#\n", + "print \" u is %0.3f cP \"%(u)#\n", + "print \"\\n Q is %0.4f lpm \"%(Q)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " u is 3.469 cP \n", + "\n", + " Q is 0.2874 lpm \n" + ] + } + ], + "prompt_number": 3 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 17-4 - Page 483" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "l=60#\n", + "d=60#\n", + "r=d/2#\n", + "W=3000#\n", + "p=W/(l*d)#\n", + "u=30*10**-9#\n", + "c=0.06#\n", + "nj=1440/60#\n", + "S=(r/c)**2*u*nj/p#\n", + "#For ratio l/d=1, values of different parameters are given in matrix A corresponding to S\n", + "from numpy import mat\n", + "A=mat([[0,0,0,0,0,0],[0,1, 0.264, 0.6, 5.79, 3.99],[0,1, 0.121, 0.4 ,3.22, 4.33]])#\n", + "#let ho/c=x\n", + "x=(A[1,3])-((A[1,3]-(A[2,3]))*((A[1,2])-S)/((A[1,2])-(A[2,2])))#\n", + "#let y= (r/c)*f=CFV\n", + "y=(A[1,4])-(A[1,4]-(A[2,4]))*((A[1,2])-S)/((A[1,2])-(A[2,2]))#\n", + "#let z=Q/(r*c*nj*l)=FV\n", + "z=(A[1,5])-((A[1,5]-(A[2,5]))*((A[1,2])-S)/((A[1,2])-(A[2,2])))#\n", + "f=y*c/r#\n", + "ho=x*c#\n", + "Q=z*r*c*nj*l#\n", + "Q=Q*60/10**6#\n", + "delT=8.3*p*y/z#\n", + "#let power lost in friction be Pf\n", + "Pf=2*pi*nj*f*W*r/10**6#\n", + "print \" f is %0.5f \"%(f)#\n", + "print \"\\n ho is %0.3f mm \"%(ho)#\n", + "print \"\\n Q is %0.3f lpm \"%(Q)#\n", + "print \"\\n delT is %0.1f degC \"%(delT)#\n", + "print \"\\n Pf is %0.4f KW \"%(Pf)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " f is 0.00985 \n", + "\n", + " ho is 0.032 mm \n", + "\n", + " Q is 0.638 lpm \n", + "\n", + " delT is 8.3 degC \n", + "\n", + " Pf is 0.1337 KW \n" + ] + } + ], + "prompt_number": 4 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 17-5 - Page 484" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "W=22000#\n", + "nj=960/60#\n", + "p=2.4#\n", + "u=20*10**-9#\n", + "d=sqrt(W/p)#\n", + "d=96#\n", + "r=d/2#\n", + "l=d#\n", + "S=0.0446#\n", + "pact=W/(l*d)#\n", + "#x=r/c#\n", + "x=sqrt(S*pact/(u*nj))#\n", + "c=r/x#\n", + "ho=0.2*c#\n", + "Q=r*c*nj*l*4.62#\n", + "Q=Q*60/10**6#\n", + "print \" d is %0.0f mm \"%(d)#\n", + "print \"\\n l is %0.0f mm \"%(l)#\n", + "print \"\\n ho is %0.4f mm \"%(ho)#\n", + "print \"\\n Q is %0.3f lpm \"%(Q)#\n", + "#The difference in answer to Q is due to rounding -off the value of c." + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " d is 96 mm \n", + "\n", + " l is 96 mm \n", + "\n", + " ho is 0.0166 mm \n", + "\n", + " Q is 1.701 lpm \n" + ] + } + ], + "prompt_number": 5 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 17-6 - Page 485" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "from math import log\n", + "W=400*10**3#\n", + "Ro=200#\n", + "Ri=160#\n", + "ho=0.1#\n", + "t=150#\n", + "# specific gravity is rho\n", + "rho=0.86#\n", + "pi=2*W*log(Ro/Ri)/(pi*(Ro**2-Ri**2))#\n", + "zk=(0.22*t)-(180/t)#\n", + "z=rho*zk#\n", + "u=z/(10**9)#\n", + "Q=pi*pi*ho**3/(6*u*log(Ro/Ri))#\n", + "Q=Q*60/10**6#\n", + "print \" pi is %0.3f MPa \"%(pi)#\n", + "print \"\\n Q is %0.2f lpm \"%(Q)#\n", + " \n", + " #The difference in answer to Q is due to rounding -off of values." + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + " pi is 3.946 MPa \n", + "\n", + " Q is 25.52 lpm \n" + ] + } + ], + "prompt_number": 6 + }, + { + "cell_type": "heading", + "level": 2, + "metadata": {}, + "source": [ + "exa 17-7 - Page 486" + ] + }, + { + "cell_type": "code", + "collapsed": false, + "input": [ + "#let number of pads be n\n", + "n=4#\n", + "W=100*10**3#\n", + "Ro=125#\n", + "Ri=50#\n", + "t=200#\n", + "ho=0.15#\n", + "pi=2*W*log(Ro/Ri)/(pi*(Ro**2-Ri**2))#\n", + "zk=(0.22*t)-(180/t)#\n", + "# specific gravity is rho\n", + "rho=0.86#\n", + "z=rho*zk#\n", + "u=z/(10**9)#\n", + "Q=pi*pi*ho**3/(6*u*log(Ro/Ri))#\n", + "Q=Q*60/10**6#\n", + "print \"pi is %0.2f MPa \"%(pi)#\n", + "print \"\\nQ is %0.3f lpm \"%(Q)#" + ], + "language": "python", + "metadata": {}, + "outputs": [ + { + "output_type": "stream", + "stream": "stdout", + "text": [ + "pi is 3.54 MPa \n", + "\n", + "Q is 12.441 lpm \n" + ] + } + ], + "prompt_number": 7 + } + ], + "metadata": {} + } + ] +}
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