RESUMO A salubridade ambiental está diretamente relacionada com a qualidade dos serviços de saneamento básico, que, por sua vez, abrangem diversas ações que visam promover a melhoria da qualidade de vida das pessoas e do meio ambiente. Dessa forma, com o objetivo de avaliar as condições de salubridade do município de Campina Grande (PB), este artigo buscou desenvolver o Indicador de Salubridade Ambiental para Campina Grande (ISA/CG) a partir da adaptação do Indicador de Salubridade Ambiental do Conselho Estadual de Saneamento do Estado de São Paulo (ISA/CONESAN), desenvolvido para aplicação nesse estado. O ISA constitui um instrumento de planejamento e gestão ambiental pública que possibilita identificar as ações prioritárias em relação aos serviços de saneamento, orientando, assim, as ações dos gestores públicos e a sociedade civil na tomada de decisão para alcançar melhor qualidade de vida e ambiental. Os valores do ISA/CG foram associados aos setores censitários do distrito-sede do município para permitir, inicialmente, uma análise da distribuição espacial de seus valores na cidade. Posteriormente, para aprimorar o ISA/CG e validar seus resultados, dois novos subindicadores (conforto ambiental e capacidade de armazenamento de água) foram incorporados a partir da análise em quatro áreas-piloto, identificadas como as de mais alta e mais baixa salubridade.

This work aims to study heat and mass transfer in solids with parallelepiped shape with particular reference to drying process. A transient three-dimensional mathematical model based on the Fick ́s and Fourier ́s Laws was developed to predict heat and mass transport in solids considering constant physical properties and convective boundary conditions at the surface of the solid. The analytical solution of the governing equations was obtained using the method of separation of variables. The study was applied in the drying of common ceramic bricks. Predicted results of the heating and drying kinetics and the moisture and temperature distributions inside the material during the process, are compared with experimental data and good agreement was obtained. It has been found that the vertices of the solid dry and heat first. This provokes thermal and hydric stresses inside the material, which may compromise the quality of the product after drying.

With the spread of sustainability concepts, due to the global energy crisis and the unrestrained consumption of natural resources, the importance of rational use and reduction of energy consumption has been intensified, albeit in short steps. This concern has taken up bioclimatic concepts in buildings, especially housing buildings for low-income people, aiming at improving the quality of housing production in terms of its habitability. The objective of this research is to theoretically and experimentally study the natural ventilation in a housing building, which fits into the low-cost pattern. The use of Computational Fluid Dynamics to predict natural ventilation was adopted as a tool to perform these analyses. Experiments were carried out by visiting the study area to collect data on air velocity, temperature, and relative humidity in all rooms of the residence in order to carry out the intended analyses. Computer simulation of natural ventilation considering the building with the doors and windows open and with fixed geometry was performed. Results proved that the proposed mathematical model was able to reproduce, with rich details and physical coherence, the internal and external air flow inside the building, indicating better internal ventilation performance in environments that have door and window openings, with recesses, revealing the importance of cross ventilation to reduce the internal temperature and consequent improvement in thermal comfort. The idea is to help civil engineers and specialists in the economically viable design of low-cost buildings from the economic, social, and thermal comfort points of view.