enthalpy


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Related to enthalpy: entropy, Gibbs free energy

en·thal·py

 (ĕn′thăl′pē, ĕn-thăl′-)
n. pl. en·thal·pies
Symbol H A thermodynamic function of a system, equivalent to the sum of the internal energy of the system plus the product of its volume multiplied by the pressure exerted on it by its surroundings.

[Greek enthalpein, to heat in (en-, in; see en-2 + thalpein, to heat) + -y.]

enthalpy

(ˈɛnθəlpɪ; ɛnˈθæl-)
n
(General Physics) a thermodynamic property of a system equal to the sum of its internal energy and the product of its pressure and volume. Symbol: H Also called: heat content or total heat
[C20: from Greek enthalpein to warm in, from en-2 + thalpein to warm]

en•thal•py

(ˈɛn θæl pi, ɛnˈθæl-)

n., pl. -pies.
a quantity associated with a thermodynamic system, expressed as the internal energy of a system plus the product of the pressure and volume of the system.
[1925–30; < Greek enthálp(ein) to warm in (en- en-2 + thálpein to warm)]

en·thal·py

(ĕn′thăl′pē)
The amount of energy contained in a system.

enthalpy

A measure of the stored heat energy contained in a substance.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.enthalpy - (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressureenthalpy - (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure; "enthalpy is the amount of energy in a system capable of doing mechanical work"
physical property - any property used to characterize matter and energy and their interactions
thermodynamics - the branch of physics concerned with the conversion of different forms of energy
References in periodicals archive ?
a,in,Hx] are the heat exchanger air inlet enthalpy and humidity ratios, and [T.
Cure enthalpy was measured by using a Perkin Elmer Pyrisl DSC.
These two independent properties are used to fix state 1L and determine enthalpy, [h.
The crystallinity of the PLA was calculated from the fusion enthalpy of melting ([DELTA][H.
The crystallization peak shifted to a lower temperature and its enthalpy decreased as the storage time increased under light conditions.
The outlet air enthalpy is determined using a psychrometric function with the outlet air temperature and the inlet humidity ratio.
However, the enthalpy of a liquid is also a function of pressure and, therefore, the heat transfer rate depends on the pressure drop of the liquid as it goes through the heat exchanger as well as its change in temperature.
In this work, we first discuss the relationship between the extent of enthalpy relaxation and the change of Izod impact strength of neat PC.
Beyond the known phenomena of passivation and surface reconstruction which happen with a gain of enthalpy, it goes on to explore self-repairing materials with a higher level of complexity.
While the peak of denaturation was similar to that of commercial products, LVWPC's onset and enthalpy of denaturation were higher, indicating it has a higher thermal stability.
CRC handbook of enthalpy data of polymer-solvent systems.