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Combustion characteristics of a small-scale combustor with a percolated platinum emitter tube for thermophotovoltaics

Li, Yueh-Heng; Chen, Guan-Bang; Cheng, Tsarng-Sheng; … - In: Energy 61 (2013) C, pp. 150-157

A small-scale combustor is one of the most important components in developing the small-scale thermophotovoltaic (TPV) power systems. In order to enhance the flame stabilization and to have a bright incandescent emitter, a platinum tube is used to serve as an emitter. However, a bright...

Persistent link: https://www.econbiz.de/10010807642

Fuel saving, carbon dioxide emission avoidance, and syngas production by tri-reforming of flue gases from coal- and gas-fired power stations, and by the carbothermic reduction of i...

Halmann, M.; Steinfeld, A. - In: Energy 31 (2006) 15, pp. 3171-3185

production of syngas suitable for methanol, hydrogen, or ammonia synthesis. The environmental and economic consequences are …

Persistent link: https://www.econbiz.de/10010807704

Potential options to greenize energy systems

Dincer, Ibrahim; Zamfirescu, Calin - In: Energy 46 (2012) 1, pp. 5-15

In this paper, we introduce a new thermodynamic concept of greenizing energy systems and propose a new greenization factor which is defined as the amount of environmental impact reduction by the system greenized divided by the reference environmental impact for the original (reference) case. A...

Persistent link: https://www.econbiz.de/10010807751

Energy and exergy analyses of a new four-step copper–chlorine cycle for geothermal-based hydrogen production

Tolga Balta, M.; Dincer, Ibrahim; Hepbasli, Arif - In: Energy 35 (2010) 8, pp. 3263-3272

In this paper, energy and exergy analyses of the geothermal-based hydrogen production via thermochemical water …

Persistent link: https://www.econbiz.de/10010807811

Combined production of hydrogen and power from heavy oil gasification: Pinch analysis, thermodynamic and economic evaluations

Domenichini, R.; Gallio, M.; Lazzaretto, A. - In: Energy 35 (2010) 5, pp. 2184-2193

production of hydrogen and electricity power from coal and heavy residue oils. When associated with CO2 capture and sequestration … metal contents fuels, the possibility of installing large size plants for competitive electric power and hydrogen production …

Persistent link: https://www.econbiz.de/10010807825

Fuel cell-based cogeneration system covering data centers’ energy needs

Guizzi, Giuseppe Leo; Manno, Michele - In: Energy 41 (2012) 1, pp. 56-64

The Information and Communication Technology industry has gone in the recent years through a dramatic expansion, driven by many new online (local and remote) applications and services. Such growth has obviously triggered an equally remarkable growth in energy consumption by data centers, which...

Persistent link: https://www.econbiz.de/10010807862

Hydrogen transportation systems: Elements of risk analysis

Gerboni, R.; Salvador, E. - In: Energy 34 (2009) 12, pp. 2223-2229

focuses on the results obtained from a risk assessment of hydrogen transportation technologies. The quantification of risk as … an additional source of externality to the cost of transporting hydrogen was obtained with the support of a commercial …

Persistent link: https://www.econbiz.de/10010807908

Wind energy, electricity, and hydrogen in the Netherlands

Schenk, Niels J.; Moll, Henri C.; Potting, José; … - In: Energy 32 (2007) 10, pp. 1960-1971

identifies the potential energetic benefits of integrated hydrogen production in electricity systems with high wind energy … penetration. This research concludes that the use of system losses for hydrogen production via electrolysis is beneficial in … hydrogen production in terms of systems efficiency. An ancillary beneficial effect of coupling hydrogen production with wind …

Persistent link: https://www.econbiz.de/10010808344

Assessment of maximum available work of a hydrogen fueled compression ignition engine using exergy analysis

Chintala, Venkateswarlu; Subramanian, K.A. - In: Energy 67 (2014) C, pp. 162-175

) of a dual-fuel diesel engine (H2 (hydrogen)–diesel) using exergy analysis. The maximum available work increased with H2 …

Persistent link: https://www.econbiz.de/10010808407

Influence of the rated power in the performance of different proton exchange membrane (PEM) fuel cells

San Martin, J.I.; Zamora, I.; San Martin, J.J.; … - In: Energy 35 (2010) 5, pp. 1898-1907

Fuel cells are clean generators that provide both electrical and thermal energy with a high global efficiency level. The characteristics of these devices depend on numerous parameters such as: temperature, fuel and oxidizer pressures, fuel and oxidizer flows, etc. Therefore, their influence...

Persistent link: https://www.econbiz.de/10010808744