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diff --git a/Introduction_to_Thermal_Systems_Engineering_Thermodynamics_by_Fluid_Mechanics/4-Evaluating_Properties.ipynb b/Introduction_to_Thermal_Systems_Engineering_Thermodynamics_by_Fluid_Mechanics/4-Evaluating_Properties.ipynb new file mode 100644 index 0000000..4781d2e --- /dev/null +++ b/Introduction_to_Thermal_Systems_Engineering_Thermodynamics_by_Fluid_Mechanics/4-Evaluating_Properties.ipynb @@ -0,0 +1,328 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 4: Evaluating Properties" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4.10: 10.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 4.10\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"m1=2;\n", +"m2=8;\n", +"T1=350;\n", +"T2=300;\n", +"P1=0.7;//bar\n", +"P2=1.2;//bar\n", +"Tf=315;//K\n", +"cv=0.745;//heat capacity\n", +"pf=(m1+m2)*Tf/(m1*T1/P1+m2*T2/P2);\n", +"disp(pf,'final pressure in bar');\n", +"Q=m1*cv*(Tf-T1)+m2*cv*(Tf-T2);\n", +"disp(Q,'heat transfer into the system in kJ');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4.11: 11.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 4.11\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"P2=5.0;\n", +"P1=1.0;\n", +"n=1.3;\n", +"T1=530;\n", +"R=1.986;\n", +"u2=131.88;\n", +"u1=90.33;\n", +"T2=T1*(P2/P1)^(.3/n);\n", +"k1=R*(T2-T1)/(1-n)/28.97;//k1=W/m\n", +"disp(k1,'W/m in Btu/lb');\n", +"k2=k1+u2-u1;//k2=Q/m\n", +"disp(k2,'Q/m in Btu/lb');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4.1: 1.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 4.1\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"V=0.5;//volume\n", +"P1=1;//pressure\n", +"P2=0.5;\n", +"vf1=1.0432/1000;\n", +"vf2=1.0582/1000;\n", +"x=0.5;\n", +"T1=99.63;\n", +"v1=vf1+0.5*(1.694-vf1);\n", +"v2=v1;\n", +"T2=111.4;//from table\n", +"disp(T2,'temperature in degree celcius');\n", +"m=V/v1;\n", +"mg1=x*m;\n", +"disp(mg1,'mass of vapor in kg');\n", +"x2=(v1-vf2)/(1.159-vf2);\n", +"mg2=x2*m;\n", +"disp(mg2,'mass of vapor in kg');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4.2: 2.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 4.2\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"m=0.1;\n", +"v1=2.2661;\n", +"P2=20;//pressure\n", +"v2=2.6704;\n", +"V1=m*v1;\n", +"disp(V1,'volume in ft^3');\n", +"V2=m*v2;\n", +"disp(V2,'volume in ft^3');\n", +"W=P2*(V2-V1)*144/778;\n", +"disp(W,'Work done in Btu');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4.3: 3.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 4.3\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"V=10.0;//ft^3\n", +"v1=26.8;//ft^3/lb\n", +"u1=1077.6;//btu/lb\n", +"u2=1161.6;//Btu/lb;\n", +"m=V/v1;\n", +"W=-m*(u2-u1);\n", +"disp(W,'Work done in Btu');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4.4: 4.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 4.4\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"P=10;//pressure\n", +"v2=0.1944;//volume\n", +"v1=0.3066;//volume\n", +"uf3=631.68;\n", +"v3=0.1944;\n", +"vg3=0.3928;\n", +"vf3=1.0905/1000;\n", +"x3=(v3-vf3)/(vg3-vf3);\n", +"u3=uf3+x3*(2559.5-uf3);\n", +"k1=P*(v2-v1)*100;//k=W/m\n", +"k2=u3-2957.3+k1;//k2=Q/m\n", +"disp(k2,'Q/m in kJ/kg');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4.6: 6.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 4.6\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"Tr1=793.0/647.3;\n", +"Pr1=22.0/22.09;\n", +"Rbar=8314.0;\n", +"M=18.02;\n", +"T1=793.0;\n", +"P1=20.0e6;\n", +"pr2=0.69;\n", +"v1=0.83*Rbar/M/P1*T1;\n", +"disp(v1,'Specific weight in m^3/kg');\n", +"vrdash=v1*22.09e6/Rbar*M/647.3;\n", +"Tr2=673/647.3;\n", +"P2=22.09e6*pr2;\n", +"disp(P2/10^6,'Pressure in Mpa');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4.7: 7.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 4.7\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"p2=2;//pressure\n", +"p1=1;//pressure\n", +"T1=540;//temperature\n", +"Rbar=1545;\n", +"M=28.97;\n", +"P1=14.7*144;\n", +"T2=p2/p1*T1;\n", +"disp(T2,'temperature in degreeR');\n", +"v3=Rbar/M*T2/P1;\n", +"disp(v3,'specific volume in ft^3/lb');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 4.8: 8.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 4.8\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"Q=-20;\n", +"m=2;\n", +"u2=143.98;\n", +"u1=92.04;\n", +"W=Q-m*(u2-u1);\n", +"disp(W,'work done on the system in Btu');\n", +"clear()" + ] + } +], +"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 +} |