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Short overview on the jetting-fountain fluidized bed (JFFB) combustor

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  • Okasha, Farouk M.

Abstract

The jetting-fountain fluidized bed (JFFB) is a novel configuration for fluidized bed. It is basically a bubbling fluidized bed equipped with a spouted jet in the upper part of the bed. A part of gases is fed through the distributor to fluidize bed solids while the remaining part is fed through a vertical pipe creating a jet-fountain zone. A distinct feature of JFFB different from previous spouted bed configurations is that the jet spout height is independent of the bed height. This feature makes the design more flexible and the flow regimes more extendable. The JFFB is characterized by excellent gas–solids contact that is expected to result in high heat and mass transfer both in bed and freeboard zones.

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  • Okasha, Farouk M., 2016. "Short overview on the jetting-fountain fluidized bed (JFFB) combustor," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 674-686.
    • Handle: RePEc:eee:rensus:v:55:y:2016:i:c:p:674-686
    DOI: 10.1016/j.rser.2015.11.004
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    References listed on IDEAS

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    1. Martínez, Juan Daniel & Pineda, Tatiana & López, Juan Pablo & Betancur, Mariluz, 2011. "Assessment of the rice husk lean-combustion in a bubbling fluidized bed for the production of amorphous silica-rich ash," Energy, Elsevier, vol. 36(6), pages 3846-3854.
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    3. Vamvuka, Despina & Sfakiotakis, Stelios & Kotronakis, Manolis, 2012. "Fluidized bed combustion of residues from oranges’ plantations and processing," Renewable Energy, Elsevier, vol. 44(C), pages 231-237.
    4. Jain, Vijay & Groulx, Dominic & Basu, Prabir, 2010. "Study of heat transfer between an over-bed oil burner flame and a fluidized bed during start-up: Determination of the flame to bed convection coefficient," Applied Energy, Elsevier, vol. 87(8), pages 2605-2614, August.
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    1. Francesco Miccio & Federica Raganati & Paola Ammendola & Farouk Okasha & Michele Miccio, 2021. "Fluidized Bed Combustion and Gasification of Fossil and Renewable Slurry Fuels," Energies, MDPI, vol. 14(22), pages 1-16, November.

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