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| author | kinitrupti | 2017-05-12 18:40:35 +0530 |
|---|---|---|
| committer | kinitrupti | 2017-05-12 18:40:35 +0530 |
| commit | d36fc3b8f88cc3108ffff6151e376b619b9abb01 (patch) | |
| tree | 9806b0d68a708d2cfc4efc8ae3751423c56b7721 /mechanics_of_fluid/Chapter5-.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 'mechanics_of_fluid/Chapter5-.ipynb')
| -rwxr-xr-x | mechanics_of_fluid/Chapter5-.ipynb | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/mechanics_of_fluid/Chapter5-.ipynb b/mechanics_of_fluid/Chapter5-.ipynb deleted file mode 100755 index bc9d154f..00000000 --- a/mechanics_of_fluid/Chapter5-.ipynb +++ /dev/null @@ -1,119 +0,0 @@ -{
- "metadata": {
- "name": "",
- "signature": "sha256:cc924f0db45ef8f074cc8f1d8a1ee198ea5115e6305e3da74ea78f614afb5f88"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Chapter5- Physical Similarity and Dimensional Analysis"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex3-pg184"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "#calculate The total resistance of the prototype\n",
- "u_p=10.; ## m/s\n",
- "scale=1/25.; ## l_m/l_p\n",
- "L=125.; ## m\n",
- "meu=1.235*10**(-6); ## m**2/s\n",
- "meu_p=1.188*10**(-6); ## m**2/s\n",
- "rho_p=1025.; ## kg/m**3\n",
- "rho_m=1000.; ## kg/m**3\n",
- "A=3500.; ## wetted surface in m**2\n",
- "\n",
- "u_m=u_p*math.sqrt(scale);\n",
- "\n",
- "d=L*scale;\n",
- "Re=d*u_m/meu; ## Reynolds no.\n",
- "C_F=0.075/(math.log10(Re)-2)**2; ## Skin friction coefficient\n",
- "\n",
- "res_skin=rho_m/2*u_m**2*(A*scale**2)*C_F;\n",
- "\n",
- "res_tot=54.2; ## N\n",
- "\n",
- "F_resid_m=res_tot-res_skin;\n",
- "\n",
- "F_resid_p=F_resid_m*rho_p/rho_m/scale**3;\n",
- "\n",
- "Re_p=u_p*L/meu_p;\n",
- "\n",
- "C_F_p=0.075/(math.log10(Re_p)-2)**2+0.0004;\n",
- "C_F_pnew=1.45*C_F_p;\n",
- "\n",
- "res_friction=rho_p/2*u_p**2*A*C_F_pnew;\n",
- "\n",
- "Resistance=F_resid_p+res_friction;\n",
- "print'%s %.1f %s'%(\"The total resistance of the prototype\",Resistance,\"N\")\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "The total resistance of the prototype 809273.4 N\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Ex4-pg 184"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "#calculate Maximum speed of the redesigned torpedo\n",
- "\n",
- "A=0.88; ## ratio of A2 and A1\n",
- "C_D=0.85; ## ratio of C_D2 to C_D1\n",
- "P=1.20; ## ratio of P2 to P1\n",
- "V1=11.; ## m/s\n",
- "\n",
- "V2=V1*(P/A/C_D)**(1/3.);\n",
- "print'%s %.2f %s'%(\"Maximum speed of the redesigned torpedo =\",V2,\"m/s\")"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Maximum speed of the redesigned torpedo = 12.88 m/s\n"
- ]
- }
- ],
- "prompt_number": 2
- }
- ],
- "metadata": {}
- }
- ]
-}
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