Emergy as a function of exergy

S. Bastianoni, A. Facchini, L. Susani and E. Tiezzi

Energy, 2007, vol. 32, issue 7, 1158-1162

Abstract: This paper aims to clarify some aspects of the discussion between “emergists” and “exergists”. First, we address the problem of the differences between energy-based emergy and exergy-based emergy: we show that the two are proportional, having the exergetic equivalent of solar energy as scale factor. In the second part, we show that emergy and transformity can be written as a function of exergy alone, in particular of “partial” efficiencies of the processes involved in a production system, from solar energy to the final product.

Keywords: Emergy; Exergy; Energy-based emergy; Exergy-based emergy (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (23)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:32:y:2007:i:7:p:1158-1162

DOI: 10.1016/j.energy.2006.08.009

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