removing problem statements

1 files changed, 3 insertions, 19 deletions

diff --git a/Transport_Phenomena/ch11.ipynb b/Transport_Phenomena/ch11.ipynb
index dff34285..aae61613 100644
--- a/Transport_Phenomena/ch11.ipynb
+++ b/Transport_Phenomena/ch11.ipynb
@@ -1,6 +1,7 @@
 {
  "metadata": {
-  "name": ""
+  "name": "",
+  "signature": "sha256:085ad0ec85734bdfb705abcbca08635352c78385ff9e20ea7cd21f4d0ccfee40"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -27,7 +28,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Compute and plot the temperature profile.\n",
       "\n",
       "import math \n",
       "\n",
@@ -98,7 +98,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Find the heat loss and compute the temperature at the steel-magnesia interface.\n",
       "\n",
       "# Variables\n",
       "r1 = (2.067/2.)/(12);  \t\t #[ft]\n",
@@ -148,7 +147,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Estimate the heat loss for 500 ft of pipe\n",
       "\n",
       "# Variables\n",
       "Ra = 8.502*10**-4;  \t\t\t #[h*degF*Btu**-1]\n",
@@ -201,7 +199,7 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Estimate the heat transfer coefficient\n",
+      "\n",
       "\n",
       "# Variables\n",
       "Nre = 50000.;\n",
@@ -309,7 +307,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Find the Nusselt number if the fluid temperature is 640 K and the wall temperature is 680 K.\n",
       "\n",
       "# Variables\n",
       "# given\n",
@@ -363,12 +360,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "'''\n",
-      "Estimate \n",
-      "(a) the duty of the exchanger, \n",
-      "(b) the number of pounds per hour of steam required, and \n",
-      "(c) the length of a double-pipe heat exchanger to perform this task.\n",
-      "'''\n",
       "\n",
       "# Variables\n",
       "di = 0.620;  \t\t\t #[inch] - internal diameter\n",
@@ -425,7 +416,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# estimate the outlet temperature of the water.\n",
       "\n",
       "# Variables\n",
       "L = 30.;  \t\t\t     #[ft] - length\n",
@@ -477,7 +467,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "# Repeat Example 11.8 if the water side fouling factor is 0.002 h ft\u2019\u201cF Btu\u2019.\n",
       "\n",
       "# Variables\n",
       "Ai = 4.869;\n",
@@ -521,11 +510,6 @@
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "'''\n",
-      "Calculate the hydrocarbon flow rate and\n",
-      "the heat exchanger area for the following heat exchangers: (a) parallel double-\n",
-      "pipe; (b) counterflow double-pipe; (c) 1-2 shell-and-tube; and (d) 2-4 shell-tube.\n",
-      "'''\n",
       "\n",
       "# Variables\n",
       "Ui = 325.;  \t\t\t #[W/m**2*K] - overall heat transfer coefficient\n",