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  • Articles  (3)
  • Fuel cells systems  (3)
  • Oxford University Press  (3)
  • National Academy of Sciences
  • Public Library of Science
  • Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics  (3)
  • Mathematics
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  • Articles  (3)
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  • Oxford University Press  (3)
  • National Academy of Sciences
  • Public Library of Science
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  • 1
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    Energy savings analysis of fuel-cell microgeneration systems with ground source heat pumps in load-sharing buildings (2015)
    Oxford University Press
    Details
    Publication Date: 2015-11-07
    Description: This paper presents the potential energy savings of implementing a combination of fuel-cell microgeneration (FCMG) systems and ground source heat pump (GSHP) systems in load-sharing buildings. The energy modeling and simulation technology is used to evaluate the effectiveness of FCMG systems in buildings. There are a number of simulation programs to evaluate the performance of buildings with various electric, mechanical and thermal systems. However, it is still a challenge to model and simulate the FCMG systems using the existing whole-building simulation programs. This paper first overviews the current technology of simulation modeling of FCMG, and then presents the results of energy savings analyses obtained from the FCMG systems.
    Keywords: Fuel cells systems
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Oxford University Press
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  • 2
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    Cost-effective design of the alkaline electrolyser for enhanced electrochemical performance and reduced electrode degradation (2015)
    Oxford University Press
    Details
    Publication Date: 2015-11-07
    Description: An alkaline electrolyser was developed and characterized. Three different metals, working as the electrode, were analysed using electrochemical methods to determine the best electrochemical performance. The performance of the Stainless Steel (SS316) electrode and the nickel electrode is much better than that of the conventional iron electrode. Degradation analysis of the electrode materials highlighted the need for the material to be durable and resistant to corrosion from an alkaline environment. Through SEM and mass analysis, it is shown that Nickel exhibits the strongest long-term resistance to surface and electrochemical performance degradation, when compared with Mild Steel (Iron) and SS316.
    Keywords: Fuel cells systems
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Oxford University Press
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  • 3
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    Control system design for micro-tubular solid oxide fuel cells (2015)
    Oxford University Press
    Details
    Publication Date: 2015-11-07
    Description: Fuel cells have been widely studied in the past decades due to their high energy conversion efficiency and low-carbon emissions. Solid oxide fuel cells (SOFCs) work at a high-temperature range, allowing the use of several types of fuels such as natural gas or methane. However, in operation, too high a fuel utilization (FU) leads to a large internal temperature gradient, thus the thermal shock of ceramic cracking; while a very low-FU results in carbon deposition and thus a decrease in the overall efficiency. In this work, a control system was designed for a small-scale micro-tubular SOFC (μ-SOFC) stack by employing the National Instruments™ Labview Programme and Data acquisition (DAQ) 6009 as well as related electronic components which enabled the control of the fuel flow rate for the stack and the temperature inside the furnace. The results showed that a well designed control system can not only improve the overall efficiency but also extend the working life, finally achieving a more economical μ-SOFC system.
    Keywords: Fuel cells systems
    Print ISSN: 1748-1317
    Electronic ISSN: 1748-1325
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Oxford University Press
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
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