{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Chapter 10: Miscellaneous Problems" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.10: example_10.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "\n", "\n", "clc \n", "//initialisation of variables\n", "g= 32.2 //ft/sec^2\n", "sct= 1.6\n", "sl= 0.8\n", "K= 0.98\n", "dh1= 4 //ft\n", "W= 62.4 //lbs/ft^3\n", "d1= 8 //in\n", "d2= 6 //in\n", "//CALCULATIONS\n", "dp= dh1*((sct/sl)-1)\n", "C= sqrt(2*g)*%pi*(d1/24)^2 /sqrt((d1^2/d2^2)^2 -1)\n", "Q= C*K*sqrt(dh1)\n", "//RESULTS\n", "printf ('Discharge passing through the pipe= %.1f cuses ',Q)\n", "//The answer given in textbook is wrong. Please verify it." ] } , { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.1: example_1.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "clc \n", "//initialisation of variables\n", "w= 62.4 //lb/ft^3\n", "x=8 //ft\n", "A= 16 //ft^2\n", "X= 2.5 //ft\n", "X1= 0.66 //ft\n", "x1= 3.834 //ft\n", "x2= 2.182 //ft\n", "//CALCULATIONS\n", "P= w*x*A\n", "y= A/3\n", "P1= w*x*A*0.5*X1\n", "R= sqrt(P1^2+P^2)\n", "m= P1/P\n", "X2= x1-x2\n", "C= ((2/3)*A)-m*X\n", "Y= m*X2+ C\n", "//RESULTS\n", "printf ('Water pressure on vertical face = %.f lbs',P)\n", "printf ('\n pressure which acts at the base = %.2f ft',y)\n", "printf ('\n Resultant = %.f lbs',R)\n", "printf ('\n x coordinate of the resultant = %.3f ft',X2)\n", "printf ('\n y coordinate of the resultant = %.3f ft',Y)" ] } , { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.2: chapter_10_example_2.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "clc \n", "//initialisation of variables\n", "s= 13.6\n", "h= 12 //in\n", "u= 0.04\n", "k= 1\n", "d= 6 //in\n", "g= 32.2 //ft/sec^2\n", "w= 62.4 //lbs/ft^3\n", "//CALCULATIONS\n", "h1= h*(s-1)/12\n", "hf= u*h1\n", "hn= h1-hf\n", "Q= k*(%pi*(d/12)^2)*sqrt(2*g)*sqrt(hn)*w*60/(10*4*sqrt(15))\n", "//RESULTS\n", "printf ('discharge through flow= %.f ft G.P.M',Q)" ] } , { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.3: chapter_10_example_3.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "clc \n", "//initialisation of variables\n", "za= 16 //ft\n", "h1= 2 //ft\n", "h2= 3 //ft\n", "g= 32.2 //ft/sec^2\n", "//CALCULATIONS\n", "vc= sqrt(2*g*(za-h1-h2))\n", "vb= vc*(h1/(2*h1))^2\n", "r= -h1-h2-(vb^2/(2*g))\n", "r1= r+34\n", "//RESULTS\n", "printf ('pressure head at B= %.1f ft lb',r1)" ] } , { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.4: chapter_10_example_4.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "clc \n", "//initialisation of variables\n", "g= 32.2 //ft/sec^2\n", "Cd= 0.62\n", "a= 90 //degrees\n", "H1= 14 //in\n", "H2= 8 //in\n", "//CALCULATIONS\n", "Q1= (8/15)*Cd*sqrt(2*g)*tand(a/2)*(H1/12)^(5/2)\n", "Q2= (8/15)*Cd*sqrt(2*g)*tand(a/2)*(H2/12)\n", "Q= Q1-Q2\n", "//RESULTS\n", "printf ('Discharge through notch= %.2f cuses',Q)" ] } , { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.5: example_5.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "clc \n", "//initialisation of variables\n", "g= 32.2 //ft/sec^2\n", "Cd= 0.62\n", "d= 5/4 //in\n", "h= 9 //ft\n", "//CALCULATIONS\n", "T= (2/3)*%pi*(h)^(3/2)/(Cd*(%pi/4)*sqrt(2*g)*(d/12)^2)\n", "//RESULTS\n", "printf ('time required to lower water level= %.f secs',T)" ] } , { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.6: chapter_10_example_6.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "\n", "clc \n", "//initialisation of variables\n", "a= 60 //degrees\n", "d= 4 //in\n", "Cd= 0.62\n", "h= 5 //ft\n", "w= 30 //ft\n", "g= 32.2 //ft/sec^2\n", "//CALCULATIONS\n", "H1= 10*sind(a)\n", "H2= H1-h\n", "T= (2*w/tand(a))*(2/3)*(H1^(3/2)-H2^(3/2))/(Cd*sqrt(2*g)*%pi/(4*(d/12)^2))*100\n", "//RESULTS\n", "printf ('time required to lower water level= %.f secs',T)" ] } , { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.7: chapter_10_example_7.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "\n", "clc \n", "//initialisation of variables\n", "p1= 40 //percent\n", "p2= 35 //percent\n", "dh= 200 //ft\n", "f= 0.1\n", "g= 32.2 //ft/sec^2\n", "l= 2000 //ft\n", "d= 1 //ft\n", "//CALCULATIONS\n", "hf1= p1*dh/100\n", "hf2= p2*dh/100\n", "hf3= (100-p1-p2)*dh/100\n", "hft= hf1+hf2+hf3\n", "v1= sqrt(2*g*hf1/(4*f*l))\n", "Q= v1*%pi*d^2/4\n", "d2= (Q*7*sqrt(3/(5*g)))^(2/3)\n", "v3= Q*4*(4/3)^2/%pi\n", "l3= hf2*2*g*(3/4)/(4*f*v3^2)\n", "//RESULTS\n", "printf ('proportion of the quantity folwing in the bypass to the whole pass= %.f ft',l3)" ] } , { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.8: chapter_10_example_8.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "clc \n", "//initialisation of variables\n", "d= 1 //ft\n", "l= 2000 //ft\n", "f= 0.038\n", "g= 32.2 ///ft/sec^2\n", "Q= 6 //cuses\n", "l1= 1500 //ft\n", "r= 2\n", "//CALCULATIONS\n", "v= 4*Q/(d^2*%pi)\n", "hf= 4*f*l*v^2/(2*g)\n", "v1= sqrt(hf*2*g/(4*f*l1+4*f*(l-l1)*r^2))\n", "v3= r*v1\n", "Q1= %pi*d^2*v3/4\n", "Q2= %pi*d^2*v1/4\n", "r1= Q2/Q1\n", "//RESULTS\n", "printf ('proportion of the quantity folwing in the bypass to the whole pass= %.1f ',r1)" ] } , { "cell_type": "markdown", "metadata": {}, "source": [ "## Example 10.9: example_9.sce" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "collapsed": true }, "outputs": [], "source": [ "clc \n", "//initialisation of variables\n", "f= 0.01\n", "d= 3 //in\n", "l= 22 //ft\n", "l1= 20 //ft\n", "w= 20 //ft\n", "h= 5 //ft\n", "h1= 20 //ft\n", "t= 4 //min\n", "g= 32.2 //ft/sec^2\n", "//CALCULATIONS\n", "h2= h+h1\n", "h3= (h-(t*60*%pi*sqrt(2*g/h)/(l1*w*2*64)))^2-4\n", "dh= h2-h3\n", "Q= dh*l1*w\n", "//RESULTS\n", "printf ('Quantiy discharged= %.f cuses ',Q)" ] } ], "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 }