Many factors to be appropriately addressed in moving towards energy sustainability are examined. These include … with the approach put forward, and options for energy sustainability and the broader objective of sustainability. Energy … sustainability is of great importance to overall sustainability given the pervasiveness of energy use, its importance in economic …

cycle (RORC). Exergoeconomic analyses are performed with the specific exergy costing (SPECO) method. First, energy and … exergy analyses are applied to the combined cycles. Then, a cost-balance, as well as auxiliary equations are developed for …-MHR/RORC has the highest and the GT-MHR/HORC has the lowest exergy destruction cost rate. …

) increasing the compressor pressure ratio raises the energy and exergy efficiencies, especially at lower pressure ratios; (4 …Biomass energy and especially biofuels produced by biomass gasification are clean and renewable options for power … cooling. In the present paper, a biomass-integrated fogging steam injected gas turbine cycle is analyzed with energy and …

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 … dual-fuel combined cycle, and the biomass gasification integrated post-firing combined cycle. The energy efficiency for the …

advantages related to the sustainability of a power plant. In an alternating current (a.c.) circuit the interruption of a short … of exergy is useful in understanding the physical phenomena. The article points out that just after the short …

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 …The paper illustrates some aspects of energy conversion processes during underground electric train operation. Energy …

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 …

sustainability and develop a rationale for a complexity-based framework for modeling <i>transitions to sustainability</i>. We propose … transitions to sustainability. We argue that adopting a complexity theory based approach for modeling transitions requires going … understand in order to model transitions to sustainability. In doing so, we establish a complexity-based approach towards …

. Cities are responsible for the largest component of global energy, water, and food consumption as well as related sewage and … paper discusses such new and innovative building services engineering systems, which could contribute to increased energy … integrated system approaches for the integrated and environmentally sound management of energy, water and organic waste, are used …

study explores possible pathways to sustainability by considering in quantitative detail four contrasting scenarios for the …