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Characterization of a thermochemical reactor for thermal solar energy

Romero-Paredes, H.; Torres, A.; Ambriz, J.J. - In: Renewable Energy 10 (1997) 2, pp. 231-234

The main purpose of this work is to elucidate the thermochemical characteristics of a fluidized bed reactor to be used as a solar reactor in thermal energy storage. Zinc sulfate dissociation was studied over the temperature range from 973 to 1123 K. During the reaction problems such as non...

Persistent link: https://www.econbiz.de/10010807008

Techno-economic analysis of the integration of hydrogen energy technologies in renewable energy-based stand-alone power systems

Zoulias, E.I.; Lymberopoulos, N. - In: Renewable Energy 32 (2007) 4, pp. 680-696

conventional technologies such as diesel generators and/or batteries with hydrogen technologies, including fuel cells in an … stand-alone power system and the optimised hydrogen-based system was also conducted. The results of the analyses showed that … the replacement of fossil fuel based gensets with hydrogen technologies is technically feasible, but still not …

Persistent link: https://www.econbiz.de/10010803755

An integrated system framework for fuel cell-based distributed green energy applications

Wu, S.H.; Kotak, D.B.; Fleetwood, M.S. - In: Renewable Energy 30 (2005) 10, pp. 1525-1540

hydrogen and fuel cell technologies further facilitate these energy options to supply electrical power to various communities …. Hydrogen fuel cell systems coupled with renewable energy sources stand out as a promising solution. This paper presents an … and balance supplies and demands in a hydrogen assisted renewable energy application. It can either be applied to a …

Persistent link: https://www.econbiz.de/10010803805

Analytical model for predicting the performance of photovoltaic array coupled with a wind turbine in a stand-alone renewable energy system based on hydrogen

Kolhe, M.; Agbossou, K.; Hamelin, J.; Bose, T.K. - In: Renewable Energy 28 (2003) 5, pp. 727-742

wind turbine generator in a stand-alone renewable energy system based on hydrogen production for long-term energy storage …

Persistent link: https://www.econbiz.de/10010803916

Adiabatic fixed-bed gasification of coal, dairy biomass, and feedlot biomass using an air–steam mixture as an oxidizing agent

Gordillo, Gerardo; Annamalai, Kalyan; Carlin, Nicholas - In: Renewable Energy 34 (2009) 12, pp. 2789-2797

Concentrated animal feeding operations, such as cattle feedlots and dairies, produce a large amount of manure, cattle biomass (CB), which can be included as renewable feedstock for locally based gasification for syngas (CO and H2) production and subsequent use in power generation. Experimental...

Persistent link: https://www.econbiz.de/10010804031

Performance and emission study in manifold hydrogen injection with diesel as an ignition source for different start of injection

Saravanan, N.; Nagarajan, G. - In: Renewable Energy 34 (2009) 1, pp. 328-334

natural gas. One alternative fuel to carbon-based fuels is hydrogen which is considered to be low polluting fuel. In the … present experimental investigation hydrogen was injected into the intake manifold by using an injector. Using an electronic … noticed due to the use of hydrogen. By adopting manifold injection technique the hydrogen–diesel dual fuel engine operates …

Persistent link: https://www.econbiz.de/10010804064

Techno-economic analysis of a stand-alone hybrid photovoltaic-diesel–battery-fuel cell power system

Karakoulidis, K.; Mavridis, K.; Bandekas, D.V.; … - In: Renewable Energy 36 (2011) 8, pp. 2238-2244

hydrogen technologies is examined. The analysis utilizes the power load data from an electric machinery laboratory located in …

Persistent link: https://www.econbiz.de/10010804077

Economic assessment of hydrogen fueling station, a case study for Iran

Qadrdan, Meysam; Shayegan, Jalal - In: Renewable Energy 33 (2008) 12, pp. 2525-2531

In recent years there have been many efforts to develop a hydrogen energy system in Iran. For instance, the Iranian … fuel cell steering committee conducted a project and determined some targets to implement hydrogen in different sectors …, especially transportation. In this paper, the costs of building stations and the levelized cost of hydrogen for two types of …

Persistent link: https://www.econbiz.de/10010804105

An experimental investigation on hydrogen as a dual fuel for diesel engine system with exhaust gas recirculation technique

Saravanan, N.; Nagarajan, G.; Kalaiselvan, K.M.; … - In: Renewable Energy 33 (2008) 3, pp. 422-427

emission norms and rapid depletion of petroleum resources there has been a continuous effort to use alternative fuels. Hydrogen … is one of the best alternatives for conventional fuels. Hydrogen has its own benefits and limitations in its use as a …

Persistent link: https://www.econbiz.de/10010804459

Hydrogen–ethanol blending as an alternative fuel of spark ignition engines

Al-Baghdadi, M.A.S. - In: Renewable Energy 28 (2003) 9, pp. 1471-1478

The performance and pollutant emission of a four-stroke spark ignition engine using hydrogen–ethanol blends as fuel … have been studied. The tests were performed using 2, 4, 6, 8, 10 and 12 mass% hydrogen–ethanol blends. Gasoline fuel was … used as a basis for comparison. The effect of using different blends of hydrogen–ethanol on engine power, specific fuel …

Persistent link: https://www.econbiz.de/10010804808