-Roegen (1906–1994) and his advocacy of 'the Entropy Law' as a determinant of economic scarcity. It is argued that exergy is a more …

exergy methods. It is observed that (1) increasing the compressor pressure ratio raises the air flow rate in the plant but …) increasing the compressor pressure ratio raises the energy and exergy efficiencies, especially at lower pressure ratios; (4 … cycle power slightly. The gas turbine exhibits the highest exergy efficiency of the cycle components and the combustor the …

This study reports the results of exergy, economic and environmental analyses of simple and combined heat and power …

conversion processes are explained using exergy, in order to support transport system sustainability. Loss of exergy reflects a … for two reference frames. For an electric train, exergy losses can be related to the energy flows during dynamic processes …, and exergy conversion in these processes provides a meaningful measure of the industrial (<em>i.e.</em>, transportation …

Exergy is a thermodynamic concept that has been widely promoted for assessing and improving sustainability, notably in … the characterization of resources and wastes. Despite having many notable benefits, exergy is often misused by authors who … both theoretical and empirical evidence the authors present five key limitations that must be overcome before exergy can be …

In the present work, the results are reported of the energy and exergy analyses of three biomass-related processes for … energy and exergy efficiencies are maximized for the three configurations at particular values of compressor pressure ratios … ratio of mass of air per mass of steam for the other cycles. The gas turbine exergy efficiency is the highest for the three …

the application of Extended Exergy Accounting (EEA) to the quantification of such externalities. The exergy flow diagrams …

Following the critical analysis of the concept of “sustainability”, developed on the basis of exergy considerations in … one single axiom: <i>that resource consumption (material and immaterial) can be quantified solely in terms of exergy flows … behavior, does it gain an evolutionary advantage? And, what is the difference, in terms of the access to the available exergy …