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diff --git a/Non_Conventional_Energy_Resources_by_B_H_Khan/10-Ocean_Energy.ipynb b/Non_Conventional_Energy_Resources_by_B_H_Khan/10-Ocean_Energy.ipynb
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+{
+"cells": [
+ {
+		   "cell_type": "markdown",
+	   "metadata": {},
+	   "source": [
+       "# Chapter 10: Ocean Energy"
+	   ]
+	},
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 10.1: annual_average_energy_generation.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"// given data\n",
+"R=13.0 // in m\n",
+"r=3.0 // in m\n",
+"A=2.0 // area in km^2\n",
+"ebbcycle=12.42 // in hours\n",
+"effi=0.7 // efficiency of turbine\n",
+"g=9.8 // gravitational acceleration in m/sec^2\n",
+"rho=1025 // density of sea in kg/m^3\n",
+"Powerpotential=0.225*A*(10**6)*((R**2)-(r**2))/10**6 // power potential in MW\n",
+"\n",
+"Powergenerated=effi*Powerpotential // in MW\n",
+"\n",
+"printf( 'The average power generated by plant is %.2f kWh',Powergenerated)\n",
+"\n",
+"Energysingle=rho*A*(10**6)*g*((R**2)-(r**2))/(2.0*10**6) // Energy in single emptying in MJ\n",
+"\n",
+"ebbyear=364.0*24/ebbcycle\n",
+"\n",
+"annualenergy=Energysingle*ebbyear*effi*1000/3600.0 // in kWh\n",
+"\n",
+"printf( '\n The annual average energy generation is %.2e kWh',annualenergy)"
+   ]
+   }
+,
+{
+		   "cell_type": "markdown",
+		   "metadata": {},
+		   "source": [
+			"## Example 10.2: phase_velocity.sce"
+		   ]
+		  },
+  {
+"cell_type": "code",
+	   "execution_count": null,
+	   "metadata": {
+	    "collapsed": true
+	   },
+	   "outputs": [],
+"source": [
+"clc\n",
+"// given data\n",
+"a=2.0/2 // in m\n",
+"T=8.0 // in secs\n",
+"rho=1025.0 // in kg/m^3\n",
+"w=2*%pi/T // angular frequency in radian/sec\n",
+"g=9.8 // gravitational acceleration in m/sec^2\n",
+"\n",
+"Lamda=2*(%pi)*g/(w**2) // in m\n",
+"printf( 'wavelength is %.2f m',Lamda)\n",
+"v=g/w // phase velocity in m/s\n",
+"printf( ' \n phase velocity is %.2f m/s',v)\n",
+"P=rho*(g**2)*(a**2)*T/(8*%pi*1000) // power in wave in kW/m\n",
+"printf( ' \n power in wave is %.2f kW/m',P)\n",
+"E=P*8.76  // average annual wave energy in mWh/m\n",
+"\n",
+"printf( '\n average annual wave energy is %.1f mWh/m',E)"
+   ]
+   }
+],
+"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
+}