File:Nuclear Fireball Radius and Temperature.svg
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Original file (SVG file, nominally 600 × 600 pixels, file size: 51 KB)
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Summary
[edit]DescriptionNuclear Fireball Radius and Temperature.svg |
English: Diameter and temperature vs. time of the fireball of a 20 kiloton nuclear air burst (near sea-level). Self-generated fit of curves in Glasstone & Dolan, The Effects of Nuclear Weapons (1977).
Deutsch: Durchmesser und Temperatur als Zeitfunktion des Feuerballs einer 20-Kilotonnen-Kernexplosion in der Luft (nahe Meeresniveau). Selbst erzeugter Fit von Kurven aus Glasstone & Dolan, The Effects of Nuclear Weapons (1977). |
Date | |
Source | Own work |
Author | SiriusB |
Other versions | Nuclear Fireball Radius and Temperature.png |
SVG development InfoField | |
Source code InfoField | Gnuplot codereset
#### Terminal settings
set term svg enhanced size 600,600 font "Helvetica, 16";set output 'fbrt.svg'
#### Mathematical definitions
## Fireball temperature
p0= 2.8526650801 ; q0= 69.18513566
p1=-1.0863702704 ; q1=115.00394909
p2= 4.7729619842 ; q2= 79.77893973
p3=10.026967289 ; q3= 27.50798341
p4= 7.1862268373 ; q4= 4.74096116
p5= 2.2724484357 ; q5= 0.32749001
p6= 0.27143255706
g1(x)=-1.103046*x+1.032988
g2(x)=(((((p6*x+p5)*x+p4)*x+p3)*x+p2)*x+p1)*x+p0
g3(x)=-0.547586*x+3.505928
h1(x)=((((q5*x+q4)*x+q3)*x+q2)*x+q1)*x+q0
g(x) = x<=-2.507 ? g1(x) : x<=-0.686 ? g2(x) : g3(x)
h(x) = x<=-2.22638 ? h1(x) : NaN
fg(x)= 10.**g(log10(x))
fh(x)= 10.**h(log10(x))
## Fireball diameter
rm4=13.; rm1=215.; re=236.; pr=log10(rm1/rm4)/3.; pk=-3.
d(x)=2*((rm4*(10000.*x)**pr)**pk+re**pk)**(1./pk)
#### Format definitions
set tmargin 0.2; set bmargin 2.8; set lmargin 9.6; set rmargin 1
lw1=3.; lw2=1.
unset key
set logscale xy
set xrange [1e-4:10]
set yrange [20:3e5]
set xtics ("10^{-4} " 0.0001,"" 0.0002,"" 0.0003,"" 0.0004,"" 0.0005,\
"" 0.0006,"" 0.0007,"" 0.0008,"" 0.0009,\
"10^{-3} " 0.001,"" 0.002,"" 0.003,"" 0.004,"" 0.005,\
"" 0.006,"" 0.007,"" 0.008,"" 0.009,\
0.01,"" 0.02,"" 0.03,"" 0.04,"" 0.05,"" 0.06,"" 0.07,"" 0.08,"" 0.09,\
0.1,"" 0.2,"" 0.3,"" 0.4,"" 0.5,"" 0.6,"" 0.7,"" 0.8,"" 0.9,\
1,"" 2,"" 3,"" 4,"" 5,"" 6,"" 7,"" 8,"" 9,10)
set ytics (10,"20" 20,"" 30,"" 40,"" 50,"" 60,"" 70,"" 80,"" 90,\
100,"" 200,"" 300,"" 400,"" 500,"" 600,"" 700,"" 800,"" 900,\
1000,"" 2000,"" 3000,"" 4000,"" 5000,"" 6000,"" 7000,"" 8000,"" 9000,\
"10000" 10000,"" 20000,"" 30000,"" 40000,"" 50000,\
"" 60000,"" 70000,"" 80000,"" 90000,\
"100000" 100000,"" 200000,"" 300000,"" 400000,"" 500000,\
"" 600000,"" 700000,"" 800000,"" 900000,\
"10^6 " 1e6)
set grid xtics ytics mxtics lt 1 lw lw2 lc rgb '#A0A0A0'
#### Labels
## Use oblique fonts if available
#set xlabel '{/Oblique t} / s'
set xlabel 't / s'
#set ylabel offset 1,0 '{/Oblique D} / m &{123456789012345} {/Oblique T}_{eff} / K'
set ylabel offset 0.5,0 'D / m &{123456789012345} T_{eff} / K'
#### Plotting
plot fg(x) w l lt 1 lw lw1 lc rgb '#700',\
fh(x) w l lt 1 lw lw1 lc rgb '#F80',\
d(x) w l lt 1 lw lw1 lc rgb '#00F'
reset
|
Licensing
[edit]Public domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 12:53, 21 November 2008 | 600 × 600 (51 KB) | SiriusB (talk | contribs) | {{Information |Description={{en|1=Diameter and temperature vs. time of the fireball of a 20 kiloton nuclear air burst (near sea-level). Self-generated fit of curves in Glasstone & Dolan, The Effects of Nuclear Weapons (1977).}} {{de|1=Durchmesser und Temp |
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Image title | Produced by GNUPLOT 4.2 patchlevel 2 |
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