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ANALYTICAL AND NUMERICAL STUDY OF A MIXED THERMAL WALL CONTAINING PLASTERBOARD AND BABASSU PLANT FIBER

Ubiraci Silva Nascimento

Edvan Moreira

Marcio da Silva Tavares

Renato Rodrigues Luz

Jorge de Jesus Passinho e Silva

José de Ribamar Pestana Filho

Valter Valder Reis Beckman

Lucas Santos de Oliveira

Willian de Vasconcelos Silva

Nizar Mohsen Felix Mota

Keywords

Abstract

In this study, concepts of thermal conductivity and heat transfer applied to thermal walls were used, exploring the fact that thermal conductivity varies from material to material, thus providing an opening in the range of studies in the area of mathematical and numerical analysis of this variation. For this, the project presents the development of a code in MATLAB, applying the MDF- finite difference method in the explicit model, starting from the discretization of the thermal heat diffusion equation, where the simulations were carried out from data obtained from the thermophysical properties of existing materials in the literature, as well as from the data obtained experimentally from another parallel study to this one,  where the thermal conductivities and specific mass of the gypsum boards with different additions of babassu fiber biomass were used. The analyses were concentrated to evaluate the effects on the variation of the percentage of biomass added to the plasterboards, wall thickness, color of the paint of the external wall, in addition to analyzing and comparing the efficiency of walls made with different types of materials. With the results of this study, we intend to contribute with another construction alternative, emphasizing the thermal aspect.

DOI: https://doi.org/10.56238/sevened2025.011-004

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Copyright (c) 2025 Ubiraci Silva Nascimento, Edvan Moreira, Marcio da Silva Tavares, Renato Rodrigues Luz, Jorge de Jesus Passinho e Silva, José de Ribamar Pestana Filho, Valter Valder Reis Beckman, Lucas Santos de Oliveira, Willian de Vasconcelos Silva, Nizar Mohsen Felix Mota
CHAPTER 04
VERSÃO (Português (Brasil))

Author(s)

  • Ubiraci Silva Nascimento
  • Edvan Moreira
  • Marcio da Silva Tavares
  • Renato Rodrigues Luz
  • Jorge de Jesus Passinho e Silva
  • José de Ribamar Pestana Filho
  • Valter Valder Reis Beckman
  • Lucas Santos de Oliveira
  • Willian de Vasconcelos Silva
  • Nizar Mohsen Felix Mota