Joule-Thomson effect - Revision history

Nice and Tidy: /* Inversion temperature */

2009-10-20T14:22:04Z

Inversion temperature

← Older revision		Revision as of 16:22, 20 October 2009
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	==Inversion temperature==		==Inversion temperature==
	<ref>[http://dx.doi.org/10.1119/1.17417 Jacques-Olivier Goussard and Bernard Roulet "Free expansion for real gases", American Journal of Physics '''61''' pp. 845-848 (1993)]</ref>		<ref>[http://dx.doi.org/10.1119/1.17417 Jacques-Olivier Goussard and Bernard Roulet "Free expansion for real gases", American Journal of Physics '''61''' pp. 845-848 (1993)]</ref>
	<ref>[http://dx.doi.org/10.2174/1874396X00903010017 E. Albarran-Zavala, B. A. Espinoza-Elizarraraz, F. Angulo-Brown "Joule Inversion Temperatures for Some Simple Real Gases", The Open Thermodynamics Journal '''3''' pp. 17-22 (2009)]		<ref>[http://dx.doi.org/10.2174/1874396X00903010017 E. Albarran-Zavala, B. A. Espinoza-Elizarraraz, F. Angulo-Brown "Joule Inversion Temperatures for Some Simple Real Gases", The Open Thermodynamics Journal '''3''' pp. 17-22 (2009)]</ref>

	==References==		==References==

Nice and Tidy: /* Inversion temperature */

2009-10-20T14:21:38Z

Inversion temperature

← Older revision		Revision as of 16:21, 20 October 2009
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	==Inversion temperature==		==Inversion temperature==
	<ref>[http://dx.doi.org/10.1119/1.17417 Jacques-Olivier Goussard and Bernard Roulet "Free expansion for real gases", American Journal of Physics '''61''' pp. 845-848 (1993)]</ref>		<ref>[http://dx.doi.org/10.1119/1.17417 Jacques-Olivier Goussard and Bernard Roulet "Free expansion for real gases", American Journal of Physics '''61''' pp. 845-848 (1993)]</ref>
			<ref>[http://dx.doi.org/10.2174/1874396X00903010017 E. Albarran-Zavala, B. A. Espinoza-Elizarraraz, F. Angulo-Brown "Joule Inversion Temperatures for Some Simple Real Gases", The Open Thermodynamics Journal '''3''' pp. 17-22 (2009)]

	==References==		==References==
	<references/>		<references/>

Nice and Tidy: Added a reference

2009-10-20T14:13:19Z

Added a reference

← Older revision		Revision as of 16:13, 20 October 2009
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	The '''Joule-Thomson effect''' is also known as the ''Joule-Kelvin effect''.		The '''Joule-Thomson effect''' is also known as the ''Joule-Kelvin effect''. This effect is present in non ideal gasses, where a change in temperature occurs upon expansion.
	==Joule-Thomson coefficient==		==Joule-Thomson coefficient==
	The Joule-Thomson coefficient is given by		The Joule-Thomson coefficient is given by
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	:<math>\mu_{\mathrm JT}\vert_{p=0} = ^0\!\!\phi = B_2(T) -T \frac{dB_2(T)}{dT}</math>		:<math>\mu_{\mathrm JT}\vert_{p=0} = ^0\!\!\phi = B_2(T) -T \frac{dB_2(T)}{dT}</math>
			==Inversion temperature==
			<ref>[http://dx.doi.org/10.1119/1.17417 Jacques-Olivier Goussard and Bernard Roulet "Free expansion for real gases", American Journal of Physics '''61''' pp. 845-848 (1993)]</ref>
	==References==		==References==
	#[http://jchemed.chem.wisc.edu/Journal/Issues/1981/Aug/jceSubscriber/JCE1981p0620.pdf Thomas R. Rybolt "A virial treatment of the Joule and Joule-Thomson coefficients", Journal of Chemical Education '''58''' pp. 620-624 (1981)]		<references/>
			'''Related reading'''
			*[http://jchemed.chem.wisc.edu/Journal/Issues/1981/Aug/jceSubscriber/JCE1981p0620.pdf Thomas R. Rybolt "A virial treatment of the Joule and Joule-Thomson coefficients", Journal of Chemical Education '''58''' pp. 620-624 (1981)]
	[[category: classical thermodynamics]]		[[category: classical thermodynamics]]
	[[category: statistical mechanics]]		[[category: statistical mechanics]]

Carl McBride at 11:46, 12 July 2007

2007-07-12T11:46:25Z

← Older revision		Revision as of 13:46, 12 July 2007
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	In terms of the [[second virial coefficient]] at zero [[pressure]] one has		In terms of the [[second virial coefficient]] at zero [[pressure]] one has

	:<math>\mu_{\mathrm JT}\vert_{p=0} = ^0\!\!\phi = B_2 -T \frac{dB_2}{dT}</math>		:<math>\mu_{\mathrm JT}\vert_{p=0} = ^0\!\!\phi = B_2(T) -T \frac{dB_2(T)}{dT}</math>
	==References==		==References==
	#[http://jchemed.chem.wisc.edu/Journal/Issues/1981/Aug/jceSubscriber/JCE1981p0620.pdf Thomas R. Rybolt "A virial treatment of the Joule and Joule-Thomson coefficients", Journal of Chemical Education '''58''' pp. 620-624 (1981)]		#[http://jchemed.chem.wisc.edu/Journal/Issues/1981/Aug/jceSubscriber/JCE1981p0620.pdf Thomas R. Rybolt "A virial treatment of the Joule and Joule-Thomson coefficients", Journal of Chemical Education '''58''' pp. 620-624 (1981)]
	[[category: classical thermodynamics]]		[[category: classical thermodynamics]]
	[[category: statistical mechanics]]		[[category: statistical mechanics]]

Carl McBride at 11:20, 12 July 2007

2007-07-12T11:20:43Z

← Older revision		Revision as of 13:20, 12 July 2007
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	In terms of the [[second virial coefficient]] at zero [[pressure]] one has		In terms of the [[second virial coefficient]] at zero [[pressure]] one has

	:<math>\mu_{\mathrm JT} = B_2 -T \frac{dB_2}{dT}</math>		:<math>\mu_{\mathrm JT}\vert_{p=0} = ^0\!\!\phi = B_2 -T \frac{dB_2}{dT}</math>
	==References==		==References==
	#[http://jchemed.chem.wisc.edu/Journal/Issues/1981/Aug/jceSubscriber/JCE1981p0620.pdf Thomas R. Rybolt "A virial treatment of the Joule and Joule-Thomson coefficients", Journal of Chemical Education '''58''' pp. 620-624 (1981)]		#[http://jchemed.chem.wisc.edu/Journal/Issues/1981/Aug/jceSubscriber/JCE1981p0620.pdf Thomas R. Rybolt "A virial treatment of the Joule and Joule-Thomson coefficients", Journal of Chemical Education '''58''' pp. 620-624 (1981)]
	[[category: classical thermodynamics]]		[[category: classical thermodynamics]]
	[[category: statistical mechanics]]		[[category: statistical mechanics]]

Carl McBride at 11:17, 12 July 2007

2007-07-12T11:17:15Z

← Older revision		Revision as of 13:17, 12 July 2007
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	In terms of the [[second virial coefficient]] one has		In terms of the [[second virial coefficient]] at zero [[pressure]] one has

	:<math>\mu_{\mathrm JT} = B_2 -T \frac{dB_2}{dT}</math>		:<math>\mu_{\mathrm JT} = B_2 -T \frac{dB_2}{dT}</math>

Carl McBride at 11:09, 12 July 2007

2007-07-12T11:09:59Z

← Older revision		Revision as of 13:09, 12 July 2007
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			The '''Joule-Thomson effect''' is also known as the ''Joule-Kelvin effect''.
			==Joule-Thomson coefficient==
	The Joule-Thomson coefficient is given by		The Joule-Thomson coefficient is given by

Carl McBride: New page: The Joule-Thomson coefficient is given by : $\mu_{\mathrm JT} = \left. \frac{\partial T}{\partial p} \right\vert_H$ where ''T'' is the temperature, ''p'' is the [[pressure...

2007-07-12T11:03:15Z

New page: The Joule-Thomson coefficient is given by :<math>\mu_{\mathrm JT} = \left. \frac{\partial T}{\partial p} \right\vert_H</math> where ''T'' is the temperature, ''p'' is the [[pressure...

New page

The Joule-Thomson coefficient is given by

:<math>\mu_{\mathrm JT} = \left. \frac{\partial T}{\partial p} \right\vert_H</math>

where ''T'' is the [[temperature]], ''p'' is the [[pressure]] and ''H'' is the [[enthalpy]].

In terms of [[Heat capacity | heat capacities]] one has

:<math>\mu_{\mathrm JT} C_V = -\left. \frac{\partial E}{\partial V} \right\vert_T </math>

and

:<math>\mu_{\mathrm JT} C_p = -\left. \frac{\partial H}{\partial p} \right\vert_T </math>

In terms of the [[second virial coefficient]] one has

:<math>\mu_{\mathrm JT} = B_2 -T \frac{dB_2}{dT}</math>
==References==
#[http://jchemed.chem.wisc.edu/Journal/Issues/1981/Aug/jceSubscriber/JCE1981p0620.pdf Thomas R. Rybolt "A virial treatment of the Joule and Joule-Thomson coefficients", Journal of Chemical Education '''58''' pp. 620-624 (1981)]
[[category: classical thermodynamics]]
[[category: statistical mechanics]]

Joule-Thomson effect - Revision history

Nice and Tidy: /* Inversion temperature */

Nice and Tidy: /* Inversion temperature */

Nice and Tidy: Added a reference

Carl McBride at 11:46, 12 July 2007

Carl McBride at 11:20, 12 July 2007

Carl McBride at 11:17, 12 July 2007

Carl McBride at 11:09, 12 July 2007

Carl McBride: New page: The Joule-Thomson coefficient is given by :\mu_{\mathrm JT} = \left. \frac{\partial T}{\partial p} \right\vert_H where ''T'' is the temperature, ''p'' is the [[pressure...

Carl McBride: New page: The Joule-Thomson coefficient is given by : $\mu_{\mathrm JT} = \left. \frac{\partial T}{\partial p} \right\vert_H$ where ''T'' is the temperature, ''p'' is the [[pressure...