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diff --git a/Introduction_to_Thermal_Systems_Engineering_Thermodynamics_by_Fluid_Mechanics/10-Psychrometric_Operations.ipynb b/Introduction_to_Thermal_Systems_Engineering_Thermodynamics_by_Fluid_Mechanics/10-Psychrometric_Operations.ipynb new file mode 100644 index 0000000..9f89cea --- /dev/null +++ b/Introduction_to_Thermal_Systems_Engineering_Thermodynamics_by_Fluid_Mechanics/10-Psychrometric_Operations.ipynb @@ -0,0 +1,277 @@ +{ +"cells": [ + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "# Chapter 10: Psychrometric Operations" + ] + }, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.1: 1.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 10.1\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"phi=0.7;\n", +"pg=0.3632;//lbf/in^2\n", +"omega2=0.0052;\n", +"pv1=phi*pg;\n", +"omega1=0.622*pv1/(14.7-pv1);\n", +"disp(omega1,'lb(vapor)/lb(dry air) is');\n", +"mv1=1/(1/omega1+1);\n", +"ma=1-mv1;\n", +"mv2=omega2*ma;\n", +"mw=mv1-mv2;\n", +"disp(mw,'mass of water vapor that condenses in lb');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.2: 2.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 10.2\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"phi1=0.8;\n", +"pg1=0.01228;\n", +"pa1=0.9902*10^5;;\n", +"R=8314;//gasconstant\n", +"T=283;\n", +"pv1=phi1*pg1;\n", +"va1=R/28.97*T/pa1;\n", +"madot=150/va1;\n", +"omega=0.622*(pv1/(1-pv1));\n", +"Qcvdot=madot*(303.2-283.1)+omega*(2556.3-2519.8);\n", +"disp(Qcvdot,'heat flow rate in kJ/min');\n", +"pv2=pv1;\n", +"phi2=pv2/0.04246;\n", +"disp(phi2*100,'humidity in %');\n", +"//alternatively\n", +"madot=150/0.81;\n", +"Qcvdot=madot*(45.9-25.7);\n", +"disp(Qcvdot,'heat flow rate in kJ/min');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.3: 3.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 10.3\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"pv1=0.02123*10^5;\n", +"patm=1.013*10^5;\n", +"ha2=283.1;\n", +"ha1=303.2;\n", +"hg1=2556.3;\n", +"hg2=2519.8;\n", +"omega2=0.0076;\n", +"hf2=42.01;\n", +"T=303;//temperature\n", +"R=8314;//gas constant\n", +"M=28.97;//molecular mass\n", +"pa1=patm-pv1;\n", +"madot=280*pa1*M/R/T;\n", +"disp(madot,'mass flow rate in kg/min');\n", +"omega1=0.622*pv1/pa1;\n", +"k=omega1-0.0076;\n", +"disp(k,'mwdot/madot is (kg/kg)');\n", +"Qcvdot=madot*((ha2-ha1)-omega1*hg1+omega2*hg2+(omega1-omega2)*hf2);\n", +"disp(Qcvdot,'heat flow rate in kJ/min');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.4: 4.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 10.4\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"omega1=0.002;\n", +"mstdot=52;\n", +"madot=90;\n", +"omega2=omega1+mstdot/60/madot;\n", +"disp(omega2,'humidity ratio is ');\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.5: 5.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 10.5\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"T1=100;\n", +"T2=70;\n", +"cpa=0.24;\n", +"omega1=0.0045;//humidity\n", +"hg1=1105;\n", +"hg2=38.1;\n", +"hg2=1092;\n", +"hf=38.1;\n", +"p2=14.696;//lb/in^2\n", +"omega2=(cpa*(T1-T2)+omega1*(hg1-hf))/(hg2-hf);\n", +"mwdot=352.1*60*(omega2-omega1);\n", +"disp(mwdot,'mass flow rate in lb/h');\n", +"pv2=omega2*p2/(omega2+0.622);\n", +"phi2=pv2/0.36332;\n", +"disp(phi2*100,'relative humidity in %')\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.6: 6.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 10.6\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"omega1=0.002;\n", +"omega2=0.0094;\n", +"ma1dot=180.0;\n", +"ma2dot=497.0;\n", +"omega3=(omega1*ma1dot+omega2*ma2dot)/(ma1dot+ma2dot);\n", +"disp(omega3,'relative humidity');\n", +"k1=10;//(ha+whv)1\n", +"k2=47.8;//(ha+whv)2\n", +"k3=(ma1dot*k1+ma2dot*k2)/(ma1dot+ma2dot)\n", +"disp(k3,'(ha+whv)3 in kJ/kg');\n", +"disp(19,'temperature by inspection in degreeC')\n", +"clear()" + ] + } +, +{ + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Example 10.7: 7.sce" + ] + }, + { +"cell_type": "code", + "execution_count": null, + "metadata": { + "collapsed": true + }, + "outputs": [], +"source": [ +"//example 10.7\n", +"clc; funcprot(0);\n", +"// Initialization of Variable\n", +"m1dot=4.5e7;\n", +"hf1=159.21;\n", +"hf2=125.79;\n", +"ha4=308.2;\n", +"ha3=298.2;\n", +"w4=0.0327;//humidity\n", +"hg4=2565.3;\n", +"hg3=2547.2;\n", +"w3=0.0068;//humidity\n", +"hf5=83.96;\n", +"madot=m1dot*(hf1-hf2)/(ha4-ha3+w4*hg4-w3*hg3-(w4-w3)*hf5);\n", +"m5dot=madot*(w4-w3);\n", +"disp(m5dot,'mass flow rate in kg/h');\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 +} |