Search Results - subject:"Stack"

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Pretreatment for biogas production by anaerobic fermentation of mixed corn stover and cow dung

Zhou, Shuxia; Zhang, Yulin; Dong, Yuping - In: Energy 46 (2012) 1, pp. 644-648

Stack-pretreatment is introduced to gain higher biogas production from corn stover through solid state anaerobic … hemicellulose degradation, and biogas production. The result indicates that the corn straws which had been stack-pretreated for 20 …

Persistent link: https://www.econbiz.de/10010810201

PEM fuel cell modeling using differential evolution

Chakraborty, Uday K.; Abbott, Travis E.; Das, Sajal K. - In: Energy 40 (2012) 1, pp. 387-399

This paper develops a differential-evolution-based solution for the problem of proton exchange membrane fuel cell stack …

Persistent link: https://www.econbiz.de/10010811098

Stacks with TiN/titanium as the bipolar plate for PEMFCs

Ren, Zhijun; Zhang, Dongming; Wang, Zaiyi - In: Energy 48 (2012) 1, pp. 577-581

industry. The power density by weight for the stack is as high as 1353 W kg−1, although it still has space to be improved. Next …

Persistent link: https://www.econbiz.de/10011053655

A 1kWe thermoelectric stack for geothermal power generation – Modeling and geometrical optimization

Suter, C.; Jovanovic, Z.R.; Steinfeld, A. - In: Applied Energy 99 (2012) C, pp. 379-385

A thermoelectric stack comprising an array of Bi–Te based thermoelectric converter (TEC) modules is considered for … investigate the performance of the stack as function of the following parameters: hot water inlet and outlet temperatures (313 …–413K and 303–393K, respectively), stack length (300–1500mm), thermoelement leg length (0.5–4mm) and hot/cold channel …

Persistent link: https://www.econbiz.de/10011041171

The operation results of a 125 kW molten carbonate fuel cell system

Kim, Beomjoo; Kim, Do Hyung; Lee, Junghyun; Kang, Seung Won - In: Renewable Energy 42 (2012) C, pp. 145-151

up of a 125-kW stack, mechanical balance-of-plant (MBOP), and an electrical balance-of-plant (EBOP). The stack has 200 …, the stack showed an open circuit voltage of 214 V. It produced a maximum power of 120 kW DC. Moreover, this system …

Persistent link: https://www.econbiz.de/10011045284

FEM modeling of the piezoelectric driving system in the design of direct-acting diesel injectors

Ferrari, A.; Mittica, A. - In: Applied Energy 99 (2012) C, pp. 471-483

injector. A Finite Element Method (FEM) model of the piezo-stack has been developed to predict the temporal distribution of the … piezo-stack and was verified to correctly reproduce the dynamic response of the injector piezoelectric driving system. …

Persistent link: https://www.econbiz.de/10010593999

An error in solid oxide fuel cell stack modeling

Chakraborty, Uday Kumar - In: Energy 36 (2011) 2, pp. 801-802

This paper points out an error in the literature and analyzes its effect on electrochemical models of solid oxide fuel cell stacks. A correction is presented.

Persistent link: https://www.econbiz.de/10010808230

WEBCONTENT VISUALIZER: A VISUALIZATION SYSTEM FOR SEARCH ENGINES IN SEMATIC WEB

FANG, XIANYONG; JACQUEMIN, CHRISTIAN; VERNIER, FRÉDÉRIC - In: International Journal of Information Technology & … 10 (2011) 05, pp. 913-931

Since the results from Semantic Web search engines are highly structured XML documents, they cannot be efficiently visualized with traditional explorers. Therefore, the Semantic Web calls for a new generation of search query visualizers that can rely on document metadata. This paper introduces...

Persistent link: https://www.econbiz.de/10009291899

Static and dynamic modeling of solid oxide fuel cell using genetic programming

Chakraborty, Uday Kumar - In: Energy 34 (2009) 6, pp. 740-751

Modeling of solid oxide fuel cell (SOFC) systems is a powerful approach that can provide useful insights into the nonlinear dynamics of the system without the need for formulating complicated systems of equations describing the electrochemical and thermal properties. Several algorithmic...

Persistent link: https://www.econbiz.de/10010809669

The analysis for the efficiency properties of the fuel cell engine

Hou, Yongping; Zhuang, Mingxi; Wan, Gang - In: Renewable Energy 32 (2007) 7, pp. 1175-1186

In this paper, the efficiency properties of the single fuel cell and the fuel cell stack have been analyzed … theoretically, and the efficiency models of the fuel cell stack and fuel cell engine (FCE) are developed. Through experimental … studies, we analyze the relationships between (1) the efficiency of the fuel cell stack and its current, (2) the efficiency of …

Persistent link: https://www.econbiz.de/10010806652