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      Evaluation of the thermal comfort of ceramic floor tiles

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          Abstract

          In places where people are bare feet, the thermal sensation of cold or hot depends on the environmental conditions and material properties including its microstructure and crustiness surface. The uncomforting can be characterized by heated floor surfaces in external environments which are exposed to sun radiation (swimming polls areas) or by cold floor surfaces in internal environments (bed rooms, path rooms). The property named thermal effusivity which defines the interface temperature when two semi-infinite solids are putted in perfect contact. The introduction of the crustiness surface on the ceramic tiles interferes in the contact temperature and also it can be a strategy to obtain ceramic tiles more comfortable. Materials with low conductivities and densities can be obtained by porous inclusion are due particularly to the processing conditions usually employed. However, the presence of pores generally involves low mechanical strength. This work has the objective to evaluate the thermal comfort of ceramics floor obtained by incorporation of refractory raw materials (residue of the polishing of the porcelanato) in industrial atomized ceramic powder, through the thermal and mechanical properties. The theoretical and experimental results show that the porosity and crustiness surface increases; there is sensitive improvement in the comfort by contact.

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          Most cited references10

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          Thermal comfort

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            An Experimental Investigation on the Thermal Conductivity of Consolidated Porous Materials

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              Porosity—Thermal conductivity correlations for ceramic materials

              S.K. Rhee (1975)
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                mr
                Materials Research
                Mat. Res.
                ABM, ABC, ABPol (São Carlos )
                1980-5373
                September 2007
                : 10
                : 3
                : 301-306
                Affiliations
                [1 ] Universidade Federal de Santa Catarina Brazil
                [2 ] Universidade Federal de Santa Catarina Brazil
                Article
                S1516-14392007000300016
                10.1590/S1516-14392007000300016
                39084541-d51a-487b-95e7-79101deb3ac6

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1516-1439&lng=en
                Categories
                ENGINEERING, CHEMICAL
                MATERIALS SCIENCE, MULTIDISCIPLINARY
                METALLURGY & METALLURGICAL ENGINEERING

                General materials science,General engineering
                ceramic tiles,thermal properties,thermal comfort,porosity

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