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Assessment of Environmental Water Cost Through Physical Hydronomics

Martínez, Amaya; Uche, Javier; Valero, Antonio; Rubio, … - In: Water Resources Management 25 (2011) 12, pp. 2931-2949

the exergy loss calculation, is the basic working tool in this study. The final objective of PH is to use those calculated … in the river (they give the exergy value to water bodies), the exergy profiles of the river at different statuses (those … defined by the WFD) are obtained. Then, the environmental cost of water is obtained (in energy units) as the exergy needed to …

Persistent link: https://www.econbiz.de/10010997477

Exergy for better environment and sustainability

Kanoglu, Mehmet; Dincer, Ibrahim; Cengel, Yunus - In: Environment, Development and Sustainability 11 (2009) 5, pp. 971-988

Persistent link: https://www.econbiz.de/10010847089

Physics Curriculum for the 21st Century

Martinas, Katalin; Tremmel, Balint - In: Interdisciplinary Description of Complex Systems - … 12 (2014) 2, pp. 176-186

In this paper we argue that, in Kuhn's term, phenomenological thermodynamics and Newtonian physics are incommensurable, while phenomenological thermodynamics, naive physics and Aristotelian physics are commensurable paradigms. Teaching based on phenomenological thermodynamics eliminates the...

Persistent link: https://www.econbiz.de/10010904427

Organic Rankine Cycle recovering stage heat from MSF desalination distillate water

Al-Weshahi, Mohammed A.; Anderson, Alexander; Tian, Guohong - In: Applied Energy 130 (2014) C, pp. 738-747

This investigation addresses the potential for heat recovery from Multi Stage Flash (MSF) desalination plant hot distillate water to power an Organic Rankine Cycle (ORC), comparing R134a and R245fa refrigerants as the working fluid. Using design characteristics of an existing ORC unit, the model...

Persistent link: https://www.econbiz.de/10010906259

Thermal and sanitary performance of domestic hot water cylinders: Conflicting requirements

Armstrong, Peter M.; Uapipatanakul, Meg; Thompson, Ian; … - In: Applied Energy 131 (2014) C, pp. 171-179

In order to understand the sanitary implications around the demand side management of domestic hot water cylinders, microbial samples were taken from the bottom of 10 UK domestic electric hot water tanks whose heating elements are connected to a controlled off-peak supply. The results indicated...

Persistent link: https://www.econbiz.de/10010906301

Nanofluids for improved efficiency in cooling solar collectors – A review

Al-Shamani, Ali Najah; Yazdi, Mohammad H.; Alghoul, M.A.; … - In: Renewable and Sustainable Energy Reviews 38 (2014) C, pp. 348-367

/T collectors, absorber plate parameters, and absorber configuration design types are extensively discussed. Exergy analysis shows … that the coverless PV/T collector produces the largest total (electrical+thermal) exergy. Furthermore, PV/T collectors are …

Persistent link: https://www.econbiz.de/10010906651

La Valutazione dei Servizi Ecosistemici. Proposta per un Approccio Termoeconomico

Longhitano, Davide - Associazione Italiana di Economia Agraria e Applicata - … - 2012

The main objective of this communication is to review the theoretical ecosystem and agroecosystem services assessment’s methods and to propose a thermoeconomic approach. The logic of thermoeconomic approach consists in analysing the use of natural resources during the production process,...

Persistent link: https://www.econbiz.de/10010914763

The Gouy-Stodola Theorem in Bioenergetic Analysis of Living Systems (Irreversibility in Bioenergetics of Living Systems)

Lucia, Umberto - In: Energies 7 (2014) 9, pp. 5717-5739

Thermodynamics studies the transformations of energy occurring in open systems. Living systems, with particular reference to cells, are complex systems in which energy transformations occur. Thermo-electro-chemical processes and transports occur across their border, the cells membranes. These...

Persistent link: https://www.econbiz.de/10010945717

Exergy based methods for economic and risk design optimization of energy systems: Application to a gas turbine

Cassetti, G.; Rocco, M.V.; Colombo, E. - In: Energy 74 (2014) C, pp. 269-279

Exergy based analyses are considered by the scientific community appropriate tools for the design and the performance …, environmental and social externalities of energy systems. This paper presents the results of a study in which different exergy …

Persistent link: https://www.econbiz.de/10010931364

Exergetic and exergo-economic analyses of an aero-derivative gas turbine engine

Turan, Onder; Aydin, Hakan - In: Energy 74 (2014) C, pp. 638-650

–80C2 aircraft turbofan engine. In this regard, balances of exergy and exergy costs for each components and LM6000 gas … turbine engine are carefully considered in order to match exergetic and economic values. As a result of exergy analysis …, exergetic efficiency of the LM6000 is obtained to be 39%. On the other hand, exergo-economic results show that exergy cost rate …

Persistent link: https://www.econbiz.de/10010931394