International Journal of Energy Research

Cover image for Vol. 37 Issue 2

February 2013

Volume 37, Issue 2

Pages 95–188

  1. Accelerated Publications

    1. Top of page
    2. Accelerated Publications
    3. Research Articles
    4. Technical Notes
    1. Composite electrode modelling and optimization for solid oxide fuel cells (pages 95–104)

      H. Wen, J. C. Ordonez and J. V. C. Vargas

      Version of Record online: 13 JUL 2012 | DOI: 10.1002/er.2941

      Thumbnail image of graphical abstract

      A model for the composite electrodes of an SOFC was proposed. A three-way single SOFC optimization was conducted with respect to the active reaction layer thicknesses at both electrodes and operating temperature or electrode porosity, resulting in a change of SOFC net power density approximately by factor of 2. It stresses the importance of the developed model for SOFC design and optimization.

  2. Research Articles

    1. Top of page
    2. Accelerated Publications
    3. Research Articles
    4. Technical Notes
    1. A new reactor concept for combining oxidative coupling and steam re-forming of methane: modeling and analysis (pages 129–152)

      Ali Farsi, Vahid Shadravan, Seyed Soheil Mansouri, Gholamreza Zahedi and Zainuddin Abdul Manan

      Version of Record online: 21 JUL 2011 | DOI: 10.1002/er.1881

      Thumbnail image of graphical abstract

      In this work, a multifunctional reactor in which oxidative coupling of methane (OCM) and steam re-forming of methane steam re-forming of methane (SRM) reactions take place simultaneously was modeled. The possible reaction scheme may be described as a pyramid with square cross-section in which diameter was drawn. Methane is at the head of the pyramid, and the products such as C2+, COx, H2, and water are arranged at angles. This possible reaction scheme is illustrated in the succeeding figure that shows the details of combining reactor occurrences. The results were obtained in a wide range of different conditions including inlet feed, inlet temperature, portions of SRM and OCM reactions' catalysts, and inlet velocity. In selection of the catalysts, more attention was drawn to prevent re-forming of OCM products. The main parameters of each reaction under different conditions such as conversion of the feed components, selectivity of products, yield of products, and temperature in the length of reactor as well as each component's concentration in the reactor were considered in course of this study. The results revealed that simultaneous OCM and SRM reactions in one reactor will tend to be auto-thermal, and its advantages were discussed. Complete conversion of water and majority of methane and oxygen will reduce the amount of unwanted products at the reactor's discharge–a constraint that exists in single reactors of each reaction specially OCM.

    2. Constructal distribution of multi-layer insulation (pages 153–160)

      Deok-Hong Kang, Sylvie Lorente and Adrian Bejan

      Version of Record online: 19 SEP 2011 | DOI: 10.1002/er.1895

    3. Fabrication of NiO/Ta2O5 composite photocatalyst for hydrogen production under visible light (pages 161–170)

      K. M. Parida, Saroj Ku. Mahanta, Satyabadi Martha and Amtul Nashim

      Version of Record online: 3 OCT 2011 | DOI: 10.1002/er.1924

  3. Technical Notes

    1. Top of page
    2. Accelerated Publications
    3. Research Articles
    4. Technical Notes
    1. Photo-induced hydrogen on iron hexagonal mesoporous silica (Fe-HMS) photo-catalyst (pages 171–178)

      Amel Boudjemaa, Khaldoun Bachari and Mohamed Trari

      Version of Record online: 6 JUL 2011 | DOI: 10.1002/er.1880

SEARCH

SEARCH BY CITATION