Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
thermodynamic property
|
| gptkbp:alsoKnownAs |
gptkb:Joule–Thomson_coefficient
|
| gptkbp:appliesTo |
liquids
real gases |
| gptkbp:dependsOn |
gptkb:temperature
pressure nature of the gas |
| gptkbp:describes |
change in temperature 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:dimensions |
temperature per pressure
|
| gptkbp:field |
thermodynamics
|
| gptkbp:form |
μJT = (∂T/∂P)H
|
| gptkbp:hasUnit |
K/Pa
K/bar |
| https://www.w3.org/2000/01/rdf-schema#label |
Joule–Kelvin coefficient
|
| gptkbp:isZeroFor |
ideal gas
|
| gptkbp:namedAfter |
gptkb:James_Prescott_Joule
gptkb:William_Thomson_(Lord_Kelvin) |
| gptkbp:negativeValueMeans |
gas warms upon expansion
|
| gptkbp:positiveValueMeans |
gas cools upon expansion
|
| gptkbp:relatedTo |
gptkb:Joule–Thomson_effect
|
| gptkbp:symbol |
μJT
|
| gptkbp:usedIn |
liquefaction of gases
refrigeration |
| gptkbp:bfsParent |
gptkb:Joule–Thomson_coefficient
|
| gptkbp:bfsLayer |
8
|