File:Ideal gas isotherms.svg

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Original file(SVG file, nominally 305 × 314 pixels, file size: 31 KB)

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Description
English: Ideal gas isotherms for one mole of the gas and at temperatures [1, 2, 4, 6, 8, 10]K using the equation . Created using python.
Date
Source Own work
Author Krishnavedala
Other versions File:Ideal gas isotherms.png
SVG development
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Source code
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SVG code

from numpy import linspace, append
from matplotlib.pyplot import *
from mpl_toolkits.axes_grid.axislines import SubplotZero

fig = figure(figsize=(4,4))
ax = SubplotZero(fig,111)
fig.add_subplot(ax)
ax.grid(True)
ax.set_ylim(-1,15)
ax.set_xlim(-1,15)
ax.set_yticklabels([])
ax.set_xticklabels([])
for direction in ["xzero","yzero"]:
	ax.axis[direction].set_axisline_style("-|>")
	ax.axis[direction].set_visible(True)
for direction in ["left","right","bottom","top"]:
	ax.axis[direction].set_visible(False)

N, k, steps = 6.023e23, 1.38e-23, 100   # Avogadro number and Boltzmann const.
def gas_law(t):
	return N*k*t

V = linspace(1./steps,15,steps)
for T in [1, 2, 4, 6, 8, 10]:
	P = []
	for x in V:
		P = append(P,gas_law(T)/x)
	ax.plot(V,P,'b')

ax.text(15,-1,r"V")
ax.text(-1,15,r"P")
fig.savefig("Ideal_gas_isotherms.svg",bbox_inches="tight",\
	pad_inches=.15)

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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4 June 2011

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Date/TimeThumbnailDimensionsUserComment
current18:19, 23 January 2015Thumbnail for version as of 18:19, 23 January 2015305 × 314 (31 KB)wikimediacommons>KrishnavedalaReverted to version as of 13:54, 4 June 2011: Newer versions contains embedded inferior graphics in a vector image.

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