{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# CHAPTER11:SUBSONIC COMPRESSIBLE FLOW OVER AIRFOILS LINEAR THEOREY" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example E01 : Pg 382" ] }, { "cell_type": "code", "execution_count": 1, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "(a)The Cp after compressibility corrections is: -0.375 Cp\n" ] } ], "source": [ "# All the quantities are expressed in SI units\n", "import math \n", "Cp_incompressible = -0.3; # Cp for incompressible flow\n", "M = 0.6; # Mach number\n", "# Thus from eq.(11.52)\n", "Cp_compressible = Cp_incompressible/math.sqrt(1-M**2);\n", "print\"(a)The Cp after compressibility corrections is:\",Cp_compressible,\"Cp\"" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Example E02 : Pg 383" ] }, { "cell_type": "code", "execution_count": 1, "metadata": { "collapsed": false }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "(a)The cl after compressibility corrections is: cl = 8.7982192499 alpha\n" ] } ], "source": [ "# All the quantities are expressed in SI units\n", "import math \n", "cl_incompressible = 2*math.pi; # lift curve slope\n", "M_inf = 0.7; # Mach number\n", "# from eq.(11.52)\n", "cl_compressible = cl_incompressible/math.sqrt(1-M_inf**2); # compressible lift curve slope\n", "print\"(a)The cl after compressibility corrections is: cl =\",cl_compressible,\"alpha\"" ] } ], "metadata": { "anaconda-cloud": {}, "kernelspec": { "display_name": "Python [Root]", "language": "python", "name": "Python [Root]" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 2 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython2", "version": "2.7.12" } }, "nbformat": 4, "nbformat_minor": 0 }