Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
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
|
| https://www.w3.org/2000/01/rdf-schema#label |
Joule-Thomson effect (1852)
|
| 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 |
6
|