Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
thermodynamic phenomenon
|
| gptkbp:alsoKnownAs |
gptkb:Joule-Kelvin_effect
|
| gptkbp:dependsOn |
pressure
gas type initial temperature |
| gptkbp:describes |
temperature change of a real gas or liquid when it is forced through a valve or porous plug while kept insulated
|
| gptkbp:discoveredBy |
gptkb:James_Prescott_Joule
gptkb:William_Thomson |
| gptkbp:discoveredIn |
1852
|
| gptkbp:hasApplication |
cryogenics
liquefaction of gases refrigeration |
| https://www.w3.org/2000/01/rdf-schema#label |
Joule-Thomson effect
|
| gptkbp:influenced |
cooling or heating of gases during expansion
|
| gptkbp:Joule-Thomson_coefficient |
change in temperature per unit change in pressure at constant enthalpy
|
| gptkbp:measures |
gptkb:Joule-Thomson_coefficient
|
| gptkbp:negativeFor |
gptkb:helium
hydrogen |
| gptkbp:positiveFor |
most gases at room temperature
|
| gptkbp:relatedTo |
enthalpy
real gas adiabatic process |
| gptkbp:bfsParent |
gptkb:James_Prescott_Joule
|
| gptkbp:bfsLayer |
5
|