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Drying and Heating Processes in Arbitrarily Shaped Clay Materials Using Lumped Phenomenological Modeling

Author

Listed:
  • Elisiane S. Lima

    (Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, PB 58429-900, Brazil)

  • João M. P. Q. Delgado

    (CONSTRUCT-LFC, Department of Civil Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal)

  • Ana S. Guimarães

    (CONSTRUCT-LFC, Department of Civil Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal)

  • Wanderson M. P. B. Lima

    (Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, PB 58429-900, Brazil)

  • Ivonete B. Santos

    (Department of Physics, State University of Paraiba, Campina Grande, PB 58429-500, Brazil)

  • Josivanda P. Gomes

    (Department of Agricultural Engineering, Federal University of Campina Grande, Campina Grande, PB 58429-900, Brazil)

  • Rosilda S. Santos

    (Department of Science and Technology, Federal Rural University of the Semi-Arid Region, Caraúbas, RN 59780-000, Brazil)

  • Anderson F. Vilela

    (Department of Agro-Industrial Management and Technology, Federal University of Paraíba, Bananeiras, PB 58220-000, Brazil)

  • Arianne D. Viana

    (Department of Agro-Industrial Management and Technology, Federal University of Paraíba, Bananeiras, PB 58220-000, Brazil)

  • Genival S. Almeida

    (Federal Institute of Education, Science and Technology of Paraiba, Pedras de Fogo, PB 58328-000, Brazil)

  • Antonio G. B. Lima

    (Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, PB 58429-900, Brazil)

  • João E. F. Franco

    (Department of Mechanical Engineering, Federal University of Campina Grande, Campina Grande, PB 58429-900, Brazil)

Abstract

This work aims to study the drying of clay ceramic materials with arbitrary shapes theoretically. Advanced phenomenological mathematical models based on lumped analysis and their exact solutions are presented to predict the heat and mass transfers in the porous material and estimate the transport coefficients. Application has been made in hollow ceramic bricks. Different simulations were carried out to evaluate the effect of drying air conditions (relative humidity and speed) under conditions of forced and natural convection. The transient results of the moisture content and temperature of the brick, and the convective heat and mass transfer coefficients are presented, discussed and compared with experimental data, obtaining a good agreement. It was found that the lower the relative humidity is and the higher the speed of the drying air is, the higher the convective heat and mass transfer coefficients are at the surface of the brick and in the holes, and the faster the moisture removal material and heating is. Based on the predicted results, the best conditions for brick drying were given. The idea is to increase the quality of the brick after the process, to reduce the waste of raw material and energy consumption in the process.

Suggested Citation

  • Elisiane S. Lima & João M. P. Q. Delgado & Ana S. Guimarães & Wanderson M. P. B. Lima & Ivonete B. Santos & Josivanda P. Gomes & Rosilda S. Santos & Anderson F. Vilela & Arianne D. Viana & Genival S. , 2021. "Drying and Heating Processes in Arbitrarily Shaped Clay Materials Using Lumped Phenomenological Modeling," Energies, MDPI, vol. 14(14), pages 1-25, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:14:p:4294-:d:595553
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    References listed on IDEAS

    as
    1. Ming Yan & Xinnan Song & Jin Tian & Xuebin Lv & Ze Zhang & Xiaoyan Yu & Shuting Zhang, 2020. "Construction of a New Type of Coal Moisture Control Device Based on the Characteristic of Indirect Drying Process of Coking Coal," Energies, MDPI, vol. 13(16), pages 1-20, August.
    2. A.M. Vasconcelos da Silva & J.M.P.Q. Delgado & A.S. Guimarães & W.M.P. Barbosa de Lima & R. Soares Gomez & R. Pereira de Farias & E. Santana de Lima & A.G. Barbosa de Lima, 2020. "Industrial Ceramic Blocks for Buildings: Clay Characterization and Drying Experimental Study," Energies, MDPI, vol. 13(11), pages 1-22, June.
    3. Morgana de Vasconcellos Araújo & Balbina Raquel de Brito Correia & Vanderson Alves Agra Brandão & Iran Rodrigues de Oliveira & Rosilda Sousa Santos & Guilherme Luiz de Oliveira Neto & Leonardo Pereira, 2020. "Convective Drying of Ceramic Bricks by CFD: Transport Phenomena and Process Parameters Analysis," Energies, MDPI, vol. 13(8), pages 1-18, April.
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    Cited by:

    1. Stephane K. B. M. Silva & Carlos J. Araújo & João M. P. Q. Delgado & Ricardo S. Gomez & Hortência L. F. Magalhães & Maria J. Figueredo & Juliana A. Figueirôa & Mirenia K. T. Brito & José N. O. Neto & , 2022. "Heat and Mass Transfer in Structural Ceramic Blocks: An Analytical and Phenomenological Approach," Energies, MDPI, vol. 15(19), pages 1-16, September.

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