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+{
+"cells": [
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "# Chapter 9: Pumps"
+ ]
+ },
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.10: Example_10.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"sr=2\n",
+"//calculations\n",
+"hr=sr^2\n",
+"capr=sr\n",
+"hpr=sr^3\n",
+"//results\n",
+"printf('head is %d times the original',hr)\n",
+"printf('\n capacity is %d times the original',capr)\n",
+"printf('\n power is %d times the original',hpr)"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.1: Example_1.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"h=200 //ft\n",
+"gam=64 //lb per cu ft\n",
+"//calculations\n",
+"P=h*gam/144\n",
+"//results\n",
+"printf('Pressure = %.1f psi',P)"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.2: Example_2.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"P=20 //psi\n",
+"gam=62.4 //lb per cu ft\n",
+"//calculations\n",
+"h=P*144/gam\n",
+"//results\n",
+"printf('height = %.1f ft',h)"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.3: Example_3.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"h=3/12 //ft\n",
+"gam=63.4 //lb per cu ft\n",
+"gam2=0.075 //lb per cu ft\n",
+"//calculations\n",
+"P=h*gam\n",
+"h2=P/gam2\n",
+"//results\n",
+"printf('Air height required = %d ft of air',h2)\n",
+"disp('The answer is a bit different due to roundoff error in textbook.')"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.4: Example_4.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"dif=4 //in\n",
+"gam=62.4 //lb per cu ft\n",
+"density=13.6 //g/cc\n",
+"//calculations\n",
+"pv=dif*1/12 *density*gam/144 - dif/12 *gam/144\n",
+"hv=pv*144/gam\n",
+"//results\n",
+"printf('velocity pressure = %.2f psi',pv)\n",
+"printf('\n velocity head = %.1f ft of water ',hv)"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.5: Example_5.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"dif=4 //in\n",
+"gam=62.4 //lb per cu ft\n",
+"gam2=0.08 //lb per cu ft\n",
+"//calculations\n",
+"pv=dif*1/12 *gam/144\n",
+"hv=pv*144/gam2\n",
+"//results\n",
+"printf('velocity pressure = %.3f psi',pv)\n",
+"printf('\n velocity head = %.1f ft of air ',hv)"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.6: Example_6.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"hw=3/12 //ft\n",
+"gam1=62.4 //lb/ft^3\n",
+"gam2=0.07 //lb/ft^3\n",
+"g=32.2 //ft/s^2\n",
+"//calculations\n",
+"p=hw*gam1\n",
+"hg=p/gam2\n",
+"V=sqrt(2*g*hg)\n",
+"//results\n",
+"printf('velocity of gas = %.1f fps',V)"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.7: Example_7.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"h=4 //in\n",
+"den=13.6 //g/cc\n",
+"Ar=1/9\n",
+"A1=12 //sq in\n",
+"gam=62.4 //lb/ft^3\n",
+"g=32.2 //ft/s^2\n",
+"//calculations\n",
+"dh=(h*den-h)/12\n",
+"Vr=1/Ar\n",
+"V22=2*g*dh/(1-Ar^2)\n",
+"V2=sqrt(V22)\n",
+"A2=A1*Ar\n",
+"v2=1/gam\n",
+"ms=A2*V2/(v2*144)\n",
+"//results\n",
+"printf('Flow rate of water = %.1f lb/sec',ms)"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.8: Example_8.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"mdot=8000 //lb/min\n",
+"A1=1 //sq ft\n",
+"A2=3/4 //sq ft\n",
+"P2=50 //psi\n",
+"P1=10 //psi\n",
+"gam=62.4 //lb/ft^3\n",
+"y2=-2 //ft\n",
+"y1=-4 //ft\n",
+"g=32.2 //ft/s^2\n",
+"eff=0.7\n",
+"//calculations\n",
+"v=1/gam\n",
+"cap=mdot/8.33\n",
+"V1=mdot*v/A1 /60\n",
+"V2=mdot*v/A2 /60\n",
+"ht= (y2-y1) + (V2^2 -V1^2)/(2*g) + (P2-P1)*144/gam\n",
+"Hhp=mdot*ht/33000\n",
+"Php=Hhp/eff\n",
+"//results\n",
+"printf('Capacity = %d gpm',cap)\n",
+"printf('\n Total dynamic head = %.1f ft',ht)\n",
+"printf('\n Hydraulic hp = %.1f hp',Hhp)\n",
+"printf('\n pump hp = %.1f hp',Php)"
+ ]
+ }
+,
+{
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "## Example 9.9: Example_9.sce"
+ ]
+ },
+ {
+"cell_type": "code",
+ "execution_count": null,
+ "metadata": {
+ "collapsed": true
+ },
+ "outputs": [],
+"source": [
+"clc\n",
+"clear\n",
+"//Initialization of variables\n",
+"z=12 //ft\n",
+"gam1=62.4 //lb/ft^3\n",
+"sg=0.8\n",
+"P2=100 //psia\n",
+"P1=-10 //psia\n",
+"mm=10000 //lb/min\n",
+"//calculations\n",
+"gam2=sg*gam1\n",
+"p2g=P2*144/(gam2) +z\n",
+"p1g=P1*144*0.491/(gam2)\n",
+"ht=p2g-p1g\n",
+"Hhp=mm*ht/33000\n",
+"//results\n",
+"printf('Total dynamic head = %.1f ft of oil',ht)\n",
+"printf('\n Hydraulic hp = %.1f hp',Hhp)"
+ ]
+ }
+],
+"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
+}
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