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diff --git a/Machine_Design_by_T_H_Wentzell/10-Pneumatic_and_Hydraulic_Drives.ipynb b/Machine_Design_by_T_H_Wentzell/10-Pneumatic_and_Hydraulic_Drives.ipynb new file mode 100644 index 0000000..47ba7d2 --- /dev/null +++ b/Machine_Design_by_T_H_Wentzell/10-Pneumatic_and_Hydraulic_Drives.ipynb @@ -0,0 +1,118 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 10: Pneumatic and Hydraulic Drives" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.1: Calculation_of_Hydraulic_Cylinder_Diameter_and_Standard_Rod_Size.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc;\n", +"clear;\n", +"mprintf('MACHINE DESIGN \n Timothy H. Wentzell, P.E. \n EXAMPLE-10.1 Page No.195\n');\n", +"P=100; //[lb/in^2] Hydraulic pressure\n", +"F=450; //[lb] Extension force\n", +"Fr=400; //[lb] Retraction force\n", +"A=F/P; //[in^2] Cross section area\n", +"D=sqrt(4*A/%pi); //[in] Bore of cylinder\n", +"mprintf('\n The bore of cylinder is %f in.',D);\n", +"//Use 2.5in bore cylinder\n", +"Dm=2.5; //[in] Bore of cylinder\n", +"Dr=1; //[in] Diameter of rod\n", +"A2=%pi*Dm^2/4-%pi*Dr^2/4; //[in^2]\n", +"F2=P*A2; //[lb] Force\n", +"if F2>=Fr then\n", +" mprintf('\n The diameter of rod is %f in.',Dr);\n", +"else \n", +" mprintf('\n This would not meet requirement');\n", +"end\n", +"//This would meet requirement\n", +"Ab=%pi*Dm^2/4; //[in^2] Cross section area\n", +"//Note-In the book V=180.7 is used instead of V=180.64158 \n", +"d=20; //[in] stroke\n", +"V=Ab*d+A2*d; //[in^3] Volume per cycle\n", +"t=2; //[s] Cycle time\n", +"FR=V/t; //[in^3/s] Flowrate\n", +"FR=FR*7.48*60/1728; //[gal/min] Flowrate\n", +"mprintf('\n Flow rate required is %f gal/min.',FR);" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.2: Pneumatic_Pop_Rivet_Gun.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"clc;\n", +"clear;\n", +"mprintf('MACHINE DESIGN \n Timothy H. Wentzell, P.E. \n EXAMPLE-10.2 Page No.198\n');\n", +"Pa=100; //[lb/in^2] Air pressure\n", +"Da=4; //[in] Diameter\n", +"Aa=%pi*Da^2/4; //[in^2] Cross section area\n", +"F1=Pa*Aa; //[lb] \n", +"Do=1; //[in] \n", +"Ao=%pi*Do^2/4; //[in] \n", +"Po=F1/Ao; //[lb/in^2]\n", +"mprintf('\n The oil pressure is %f lb/in^2.',Po);\n", +"D2o=3; //[in]\n", +"A2o=%pi*D2o^2/4; //[in^2]\n", +"F2=Po*A2o;\n", +"mprintf('\n Force F on piston rod is %f lb.',F2);\n", +"D=1; //[in]\n", +"d=4; //[in] \n", +"A=%pi*D^2/4; //[in^2]\n", +"V=A*d; //[in^3]\n", +"mprintf('\n The volume in 1-inch cylinder for the 4-inch travel is %f in^3.',V);\n", +"A3=%pi*3^2/4; //[in^2]\n", +"l3=V/A3; //[in]\n", +"mprintf('\n Travel for 3-inch cylinder is %f in.',l3);" + ] + } +], +"metadata": { + "kernelspec": { + "display_name": "Scilab", + "language": "scilab", + "name": "scilab" + }, + "language_info": { + "file_extension": ".sce", + "help_links": [ + { + "text": "MetaKernel Magics", + "url": "https://github.com/calysto/metakernel/blob/master/metakernel/magics/README.md" + } + ], + "mimetype": "text/x-octave", + "name": "scilab", + "version": "0.7.1" + } + }, + "nbformat": 4, + "nbformat_minor": 0 +} |