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Modeling of power generation from the mixing of simulated saline and freshwater with a reverse electrodialysis system: The effect of monovalent and multivalent ions

Hong, Jin Gi; Zhang, Wen; Luo, Jian; Chen, Yongsheng - In: Applied Energy 110 (2013) C, pp. 244-251

A reverse electrodialysis (RED) system utilizes the transport of cations and anions from controlled mixing of saline water (e.g., seawater) and freshwater (e.g., river water) through selective ion exchange membranes for power generation. Sodium chloride alone has been widely used to create power...

Persistent link: https://www.econbiz.de/10011040958

Towards sustainable production of clean energy carriers from biomass resources

Srirangan, Kajan; Akawi, Lamees; Moo-Young, Murray; … - In: Applied Energy 100 (2012) C, pp. 172-186

A great fraction of the world’s energy requirements are presently met through the unfettered use of fossil-derived fuels. However, due to the anticipated demise of these energy sources and the environmental and socioeconomic concerns associated with their use, a recent paradigm shift is to...

Persistent link: https://www.econbiz.de/10010588022

Comparison between hydrogen and electric vehicles by life cycle assessment: A case study in Tuscany, Italy

Bartolozzi, I.; Rizzi, F.; Frey, M. - In: Applied Energy 101 (2013) C, pp. 103-111

The use of hydrogen produced from renewable energy sources is often reported as an attractive strategy to address the …. The project ‘Filiera Idrogeno’ (Hydrogen Chain) has investigated the potential realisation of hydrogen production chains … for evaluating the environmental sustainability of such chains, applied to a fleet of hydrogen vehicles for urban …

Persistent link: https://www.econbiz.de/10010593985

Cylinders diagnosis system of a 1MW internal combustion engine through vibrational signal processing using DWT technique

Barelli, L.; Barluzzi, E.; Bidini, G.; Bonucci, F. - In: Applied Energy 92 (2012) C, pp. 44-50

In the present study an innovative diagnostic system of the combustion process, developed especially for cogenerative reciprocating engines, is introduced. This work is part of a more wide research activity, dedicated to the development of diagnostic systems for energy plants. This system is...

Persistent link: https://www.econbiz.de/10010576292

Development and validation of a new TRNSYS type for the simulation of thermoelectric generators

Massaguer, E.; Massaguer, A.; Montoro, L.; Gonzalez, J.R. - In: Applied Energy 134 (2014) C, pp. 65-74

Thermoelectric generators (TEGs) make use of the Seebeck effect in semiconductors for the direct conversion of heat into electrical energy, being of particular interest for high reliability systems or for waste heat recovery. Although several TEG models can be found in the literature, many of...

Persistent link: https://www.econbiz.de/10010930615

Theoretical limits of thermoelectric power generation from exhaust gases

Stevens, Robert J.; Weinstein, Steven J.; Koppula, Karuna S. - In: Applied Energy 133 (2014) C, pp. 80-88

The recovery of energy from exhaust gases using thermoelectric generators is of growing interest. The electrical loading of the thermoelectric system impacts the amount of energy that can be recovered. This paper presents a model for the theoretical limit of electrical power generation that...

Persistent link: https://www.econbiz.de/10010930657

The energetic performance of a novel hybrid solar thermal & chemical looping combustion plant

Jafarian, Mehdi; Arjomandi, Maziar; Nathan, Graham J. - In: Applied Energy 132 (2014) C, pp. 74-85

The overall energetic performance of a gas turbine combined cycle powered by a hybrid cycle between a solar thermal and a chemical looping combustion (CLC) system firing methane is reported for two configurations. In one case, the outlet from the air reactor is fed directly to a gas turbine,...

Persistent link: https://www.econbiz.de/10010930660

Techno-economic evaluation for the heat integration of vaporisation cold energy in natural gas processing

Koku, Oludolapo; Perry, Simon; Kim, Jin-Kuk - In: Applied Energy 114 (2014) C, pp. 250-261

This paper addresses a conceptual study investigating the techno-economic feasibility for the thermal Integration of LNG cold vaporisation energy in power generation applications. In conventional regasification systems, this valuable LNG cold energy is often being wasted to ambient heat sources,...

Persistent link: https://www.econbiz.de/10010729401

Optimal operating conditions for wet ethanol in a HCCI engine using exhaust gas heat recovery

Saxena, Samveg; Vuilleumier, David; Kozarac, Darko; … - In: Applied Energy 116 (2014) C, pp. 269-277

This study explores optimal operating conditions for power generation from wet ethanol in a HCCI engine using exhaust gas heat recovery. Wet ethanol is a difficult fuel to ignite as it requires high compressed gas temperatures to achieve ignition causing the requirement for substantial intake...

Persistent link: https://www.econbiz.de/10010737723

Constrained control framework for a stand-alone hybrid (Stirling engine)/supercapacitor power generation system

Alamir, M.; Rahmani, M.A.; Gualino, D. - In: Applied Energy 118 (2014) C, pp. 192-206

In this paper, a complete control architecture is proposed for the voltage conditioning stage of a hybrid power generation system composed of a Stirling engine coupled with a supercapacitor. Such a solar energy-based generation system aims at providing electricity to off-grid regions. The...

Persistent link: https://www.econbiz.de/10010743610

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