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   "source": [
    "# Chapter 11:Installation and Construction"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example 11.1,PAGE NUMBER:152"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
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   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Possible loss in static head=15.1 m\n"
     ]
    }
   ],
   "source": [
    "# Variable declaration\n",
    "T_c=34;# The condensing temperature in °C\n",
    "T_s=30;# The subcooled temperature in °C\n",
    "g=9.81;# m/s**2\n",
    "\n",
    "# Calculation\n",
    "P_c=15.69;# Saturation pressure at 34°C in bar\n",
    "P_s=14.18;# Saturation pressure at 30°C in bar\n",
    "dp=P_c-P_s;# Permissible pressure drop in bar\n",
    "rho=1022;# Specific mass of liquid in kg/m**3;\n",
    "H=(dp*10**5)/(rho*g);# Possible loss in static head in m\n",
    "print\"Possible loss in static head=%2.1f m\"%H"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example 11.2,PAGE NUMBER:158"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "\n",
      "Partial pressure of non-condensible gas=1.36 bar abs \n",
      "Molecular mass=95\n"
     ]
    }
   ],
   "source": [
    "# Variable declaration\n",
    "T_a=20;# The ambient temperature in °C\n",
    "m_p=10;# g\n",
    "\n",
    "# Calculation\n",
    "P_v=10.34;# Vapour pressure of R407C at 20°C in bar abs\n",
    "P_o=11.70;# Observed pressure in bar abs\n",
    "P_p=P_o-P_v;# Partial pressure of non-condensible gas in bar abs\n",
    "M_m=(0.23*52)+(0.25*120)+(0.52*102);# Molecular mass\n",
    "print\"\\nPartial pressure of non-condensible gas=%1.2f bar abs \\nMolecular mass=%2.0f\"%(P_p,M_m)"
   ]
  }
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