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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
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+{
+"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
+}