diff options
| author | kinitrupti | 2017-05-12 18:40:35 +0530 |
|---|---|---|
| committer | kinitrupti | 2017-05-12 18:40:35 +0530 |
| commit | d36fc3b8f88cc3108ffff6151e376b619b9abb01 (patch) | |
| tree | 9806b0d68a708d2cfc4efc8ae3751423c56b7721 /Thermodynamics_for_Engineers/Chapter_8.ipynb | |
| parent | 1b1bb67e9ea912be5c8591523c8b328766e3680f (diff) | |
| download | Python-Textbook-Companions-d36fc3b8f88cc3108ffff6151e376b619b9abb01.tar.gz Python-Textbook-Companions-d36fc3b8f88cc3108ffff6151e376b619b9abb01.tar.bz2 Python-Textbook-Companions-d36fc3b8f88cc3108ffff6151e376b619b9abb01.zip | |
Revised list of TBCs
Diffstat (limited to 'Thermodynamics_for_Engineers/Chapter_8.ipynb')
| -rwxr-xr-x | Thermodynamics_for_Engineers/Chapter_8.ipynb | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/Thermodynamics_for_Engineers/Chapter_8.ipynb b/Thermodynamics_for_Engineers/Chapter_8.ipynb deleted file mode 100755 index 8dd5540f..00000000 --- a/Thermodynamics_for_Engineers/Chapter_8.ipynb +++ /dev/null @@ -1,126 +0,0 @@ -{
- "metadata": {
- "name": "",
- "signature": "sha256:86e00f67d619987b1a4198153e70d431ddb0592847bf75b0bc55b544e7c1f8d2"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 8 - Availability of Energy"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 1 - Pg 120"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#calculate the available energy loss\n",
- "#Initialization of variables\n",
- "q=1000. #Btu\n",
- "th=1140. #F\n",
- "tl=40. #F\n",
- "ts=940. #F\n",
- "#calculations\n",
- "Q1=q*(th-tl)/(th+460)\n",
- "Q2=q*(ts-tl)/(ts+460)\n",
- "dif=Q1-Q2\n",
- "#results\n",
- "print '%s %d %s' %(\"Available energy loss =\",dif,\"Btu\")\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Available energy loss = 44 Btu\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 2 - Pg 124"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "#calculate the untransferred, transferred, available, unavailable energy for both gas and water\n",
- "#Initialization of variables\n",
- "import math\n",
- "ma=200000. #lb\n",
- "cpa=0.26\n",
- "T2g=1200. #F\n",
- "T1g=300. #F\n",
- "T1w=200. #F\n",
- "mw=250000. #lb\n",
- "cpw=1.02\n",
- "Tl=560. #R\n",
- "cx=1.01\n",
- "#calculations\n",
- "T2w=T1w+ ma*cpa*(T2g-T1g)/(mw*cpw)\n",
- "Qun=Tl*ma*cpa*math.log((T2g+460)/(T1g+460))\n",
- "Qtr=ma*cpa*(T2g-T1g)\n",
- "Qav=Qtr-Qun\n",
- "Qun2=Tl*mw*cx*math.log((T2w+460)/(T1w+460))\n",
- "Qav2=Qtr-Qun2\n",
- "ht1=Qav-Qav2\n",
- "#results\n",
- "print '%s %d %s' %(\"For gas, Untransferred energy =\",Qun,\"Btu/hr\")\n",
- "print '%s %d %s' %(\"\\n For gas, transferred energy =\",Qtr,\"Btu/hr\")\n",
- "print '%s %d %s' %(\"\\n For gas, available energy =\",Qav,\"Btu/hr\")\n",
- "print '%s %d %s' %(\"\\n For water, Untransferred energy =\",Qun2,\"Btu/hr\")\n",
- "print '%s %d %s' %(\"\\n For water, available energy =\",Qav2,\" Btu/hr\")\n",
- "print '%s %d %s' %(\"\\n Loss of available energy =\",ht1,\"Btu/hr\")\n",
- "print '%s' %('The answers are a bit different due to rounding off error in textbook')\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "For gas, Untransferred energy = 22750129 Btu/hr\n",
- "\n",
- " For gas, transferred energy = 46800000 Btu/hr\n",
- "\n",
- " For gas, available energy = 24049870 Btu/hr\n",
- "\n",
- " For water, Untransferred energy = 34693187 Btu/hr\n",
- "\n",
- " For water, available energy = 12106812 Btu/hr\n",
- "\n",
- " Loss of available energy = 11943058 Btu/hr\n",
- "The answers are a bit different due to rounding off error in textbook\n"
- ]
- }
- ],
- "prompt_number": 3
- }
- ],
- "metadata": {}
- }
- ]
-}
\ No newline at end of file |