rdf:type |
qudt:QuantityKind |
dcterms:description |
\(\textit{Helmholtz Energy}\) is one of the potentials are used to measure energy changes in systems as they evolve from an initial state to a final state. The potential used depends on the constraints of the system, such as constant temperature or pressure. \(\textit{Internal Energy}\) is the internal energy of the system, \(\textit{Enthalpy}\) is the internal energy of the system plus the energy related to pressure-volume work, and Helmholtz and Gibbs free energy are the energies available in a system to do useful work when the temperature and volume or the pressure and temperature are fixed, respectively. The name \(\textit{Helmholz Free Energy}\) is also used. |
qudt:applicableUnit |
Show 50 values |
qudt:hasDimensionVector |
qkdv:A0E0L2I0M1H0T-2D0 |
qudt:informativeReference |
http://en.citizendium.org/wiki/Thermodynamics |
qudt:isoNormativeReference |
http://www.iso.org/iso/catalogue_detail?csnumber=31890 |
qudt:latexDefinition |
\(H = U - T \cdot S\), where \(U\) is internal energy, \(T\) is thermodynamic temperature and \(S\) is entropy. |
qudt:symbol |
“A” |
rdfs:comment |
“Applicable units are those of quantitykind:Energy” |
rdfs:isDefinedBy |
http://qudt.org/3.1.10/vocab/quantitykind |
rdfs:label |
Show 16 values
- “Energía de Helmholtz”@es
- “Helmholtz energy”@en
- “Helmholtz enerjisi”@tr
- “Helmholtzova volná energie”@cs
- “Prosta energija”@sl
- “Tenaga Helmholtz”@ms
- “energia libera di Helmholz”@it
- “energia livre de Helmholtz”@pt
- “energia swobodna”@pl
- “freie Energie”@de
- “énergie libre”@fr
- “свободная энергия Гельмгольца”@ru
- “انرژی آزاد هلمولتز”@fa
- “طاقة هلمهولتز الحرة”@ar
- “ヘルムホルツの自由エネルギー”@ja
- “亥姆霍兹自由能”@zh
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rdfs:seeAlso |
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skos:altLabel |
- “ Helmholtz fonksiyonu”@tr
- “Helmholtz function”@en
- “Helmholtz-Energie”@de
- “Helmholtz-Funktion”@de
- “fungsi Helmholtz”@ms
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skos:broader |
quantitykind:Energy |
