| 释义 |
exergy, n. Physics and Chem.|ˈɛksədʒɪ|
[ad. G. Exergie (Z. Rant 1956, in Forsch. auf d. Gebiete d. Ingenieurwesens XXII. 36): cf. ex-1, energy n.]
The maximum amount of work that can be obtained from a given process, or from a given system by reversible processes.
1959Chem. Abstr. LIII. 10932 The relation between free enthalpy..and the term called ‘exergy’ (in German: Exergie), defined..as the reversible work of a cyclic process between temp. T and T0 involving a quantity of heat Q..is discussed. 1965Stahl und Eisen LXXXV. 724 (heading) Contribution to the application of exergy balance sheets in iron and steel works. 1981German Patents Gaz. (Chem. section) 29 July H. 1/1 The arrangement displaces gasification steam, thereby reducing the amt. of latent heat in the stack gas and increasing the exergy of the integrated process. 1982Nature 8 Apr. 540/1 The exergy of a physical system is the maximum amount of mechanical work that can be extracted from that system so that a system in thermodynamic equilibrium has zero exergy. 1987Desalination LXI. 1 (heading) Exergy analysis of multi-stage desalination plants. |