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<p>The urban centers in India are growing rapidly, along with the infrastructure required to sustain them, leading to substantial heat loads. This study emphasizes the heat transfer characteristics of porous-brick walls and insulation developed for sustainable infrastructure to reduce heat load. Porous-brick walls have emerged as a solution due to their thermal insulation properties. Various porous bricks and insulation materials have been developed and applied to building walls. In this paper, heat transfer through porous-brick walls coated with green insulation is studied thoroughly. Two types of brick material compositions, brick sample A (BS-A) and brick sample B (BS-B), along with fly ash mortar and egg shell mortar, are investigated. These materials are selected by considering their thermo-physical properties, such as compressive strength and thermal conductivity. Laboratory tests were conducted to measure properties like thermal conductivity and compressive strength, using standard procedures. The methodology included creating brick samples with different porosities and patterns with green insulation to evaluate their thermal characteristics. The experimental setup included heat transfer tests and thermal resistance measurements, under controlled conditions. The thermal analysis of various brick samples is examined using a finite element analysis (FEA). Varying porosity of brick samples (10 to 50%) is also considered during the analysis. A computer code developed in Python for FEA is used to generate temperature distribution across the wall to identify the optimum brick sample and its porosity pattern. The obtained temperature distribution is verified with computational fluid dynamics. The research is further extended to estimate the overall heat transfer coefficient and building heat load calculations. The paper highlights the significance of thermal resistance of BS-B at 30% porosity, which reduces heat load in buildings by 57.15%, thereby reducing the operating cost of air conditioning and emissions. The study provides insights into the effectiveness of insulating bricks and their impact on sustainable building practices.</p>

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Study of Heat Transfer Through Porous-Brick Wall with Green Insulation Developed for Sustainable Infrastructure

  • 期刊论文

  • 发表日期：

    2025年3月4日

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  • Gautam S. Kamble,
  • Abhishek V. Upadhye,
  • Rucha R. Bhise,
  • Nivedita V. Yammi,
  • Deepanjali P. Kumbhar,
  • Netra G. Panwal

摘要

The urban centers in India are growing rapidly, along with the infrastructure required to sustain them, leading to substantial heat loads. This study emphasizes the heat transfer characteristics of porous-brick walls and insulation developed for sustainable infrastructure to reduce heat load. Porous-brick walls have emerged as a solution due to their thermal insulation properties. Various porous bricks and insulation materials have been developed and applied to building walls. In this paper, heat transfer through porous-brick walls coated with green insulation is studied thoroughly. Two types of brick material compositions, brick sample A (BS-A) and brick sample B (BS-B), along with fly ash mortar and egg shell mortar, are investigated. These materials are selected by considering their thermo-physical properties, such as compressive strength and thermal conductivity. Laboratory tests were conducted to measure properties like thermal conductivity and compressive strength, using standard procedures. The methodology included creating brick samples with different porosities and patterns with green insulation to evaluate their thermal characteristics. The experimental setup included heat transfer tests and thermal resistance measurements, under controlled conditions. The thermal analysis of various brick samples is examined using a finite element analysis (FEA). Varying porosity of brick samples (10 to 50%) is also considered during the analysis. A computer code developed in Python for FEA is used to generate temperature distribution across the wall to identify the optimum brick sample and its porosity pattern. The obtained temperature distribution is verified with computational fluid dynamics. The research is further extended to estimate the overall heat transfer coefficient and building heat load calculations. The paper highlights the significance of thermal resistance of BS-B at 30% porosity, which reduces heat load in buildings by 57.15%, thereby reducing the operating cost of air conditioning and emissions. The study provides insights into the effectiveness of insulating bricks and their impact on sustainable building practices.