Joule-Thomson effect (1852)

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:physical_phenomenon
gptkbp:alsoKnownAs	gptkb:Joule-Kelvin_effect
gptkbp:appliesTo	real gases
gptkbp:category	gas laws thermodynamic effects
gptkbp:compatibleWith	ideal gases
gptkbp:describes	temperature change of a real gas or liquid when it is forced through a valve or porous plug while kept insulated so that no heat is exchanged with the environment
gptkbp:discoveredBy	gptkb:James_Prescott_Joule gptkb:William_Thomson
gptkbp:discoveredIn	1852
gptkbp:hasInversionTemperature	yes
gptkbp:inversionTemperature	temperature at which the sign of the effect changes
gptkbp:Joule-Thomson_coefficient	change in temperature per unit change in pressure at constant enthalpy
gptkbp:namedAfter	gptkb:James_Prescott_Joule gptkb:William_Thomson
gptkbp:parameter	gptkb:Joule-Thomson_coefficient
gptkbp:relatedTo	thermodynamics enthalpy adiabatic process
gptkbp:significance	gas expansion cooling gas expansion heating
gptkbp:usedIn	cryogenics liquefaction of gases refrigeration
gptkbp:bfsParent	gptkb:James_Joule
gptkbp:bfsLayer	7
https://www.w3.org/2000/01/rdf-schema#label	Joule-Thomson effect (1852)