Alternative solutions to reduce therman during in the afternoon in social housing with galvanised steel sheet roo the warm and humid climate portoviejo
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Keywords:
Roofs, thermal transfer and stress, comfort, health
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Abstract
The zinc tile is a building material widely used in social housing over the developing world. From the thermal point of view, it is favourable in warm and humid climates at night, but people staying at home during the afternoon are exposed to extreme hot conditions. The present paper shows the results of several researches carried out in Portoviejo, Ecuador, in order to propose alternative low cost solutions to reduce indoor temperature during the afternoon based on the use of available local resources.
The research was developed in three stages, the first one corresponded to a field study in 49 zinc roof social housing; during the second, an inventory was made in order to propose alternative solutions to reduce indoor temperature, which performance was finally tested in experimental modules. The results were statistically processed and a cost - benefit analysis was made.
Inhabitants are daily exposed to 8,5 hours of thermal stress, from 10:30 a.m. to 7:00 p.m., which could be reduced by the proposed alternative solutions, up to only three daily hours using a zapan ceiling below the traditional zinc roofs.
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Véliz Párraga, J. F., & González Couret, D. (1). Alternative solutions to reduce therman during in the afternoon in social housing with galvanised steel sheet roo the warm and humid climate portoviejo. Eco Solar, (79), 27-35. Retrieved from http://ecosolar.cubaenergia.cu/index.php/ecosolar/article/view/95
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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
References
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MIRON, I. O., MANEA, D. L., CANTOR, D. M., & ACIU, C. (2017). Organic Thermal Insulation Based on Wheat Straw. Procedia Engineering, 181, 674-681. http://creativecommons.org/licenses/by-nc-nd/4.0/
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OMONIJO, A. G. (2017). Assessing seasonal variations in urban thermal comfort and potential health risks using Physiologically Equivalent Temperature: A case of Ibadan. Nigeria. Urban Climate, 21, 87-105. http://dx.doi.org/10.1016/j.uclim.2017.05.006
Pantavau, K., Theoharatos, G., Mavrakis, A., & Santamouris, M. (2011). Evaluating thermal comfort conditions and health responses during an extremely hot summer in Athens. Building and Environment, 46, 339-344. http://dx.org/10.1016/j.buildenv.2010.07.026
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PYRGOU, A., & SANTAMOURIS, M. (2018). Increasing probability of heat-related mortality in a Mediterranean city due to urban warming. International journal of environmental research and public health, 15, 1571. https://doi.org/10.3390/ijerph15081571
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SAMPSON, N. R., GRONLUND, C. J., BUXTON, M. A., CATALANO, L., WHITE, N., COLON, K. C., & PARKER, E. A. (2013). Staying cool in a changing climate: Reaching vulnerable populations during heat events. Global Environmental Change, 23, 475-484. http://dx.doi.org/10.1016/j.gloenvcha.2012.12.011
SHARADKHANI, R., KAHANJANI, N., BAHRAM, B., JOHANI, Y. AND TABRIZI, J. S. Physiological Equivalent Temperature Index and mortality in Tabriz (The northwest of Iran). (2018). Journal of Thtemal Biology, 71, 195 - 201. https://doi.org/10.1016/j.jtherbio.2017.11.012
UEJIO, C. K., WILHELMI, O. V., GOLDEN, J. S., MILLS, D. M., GULINO, S. P., & SAMENOW, J. P. (2011). Intra-urban societal vulnerability to extreme heat: the role of heat exposure and the built environment, socioeconomics, and neighborhood stability. Health & Place, 17, 498-507. http://dx.doi.org/10.1016/j.healthplace.2010.12.005
WANG, J., KUFFER, M., SLIUZAS, R., & KOHLI, D. (2019). The exposure of slums to high temperature: Morphology-based local scale thermal patterns. Science of the total environment, 650, 1805-1817. https://doi.org/10.1016/j.scitotenv.2018.09.324
ZANDER, K. K., MOSS, S. A., & GARNETT, S. T. (2017). Drivers of self-reported heat stress in the Australian labour force. Environmental research, 152, 272-279. http://dx.coi.org/10.1016/j.envres.2016.10.029
ZUO, J., PULLEN, S., PALMER, J., BENNETTS, H., CHILESHE, N., & MA, T. (2015). Impacts of heat waves and corresponding measures: a review. Journal of Cleaner Production, 92, 1-12. http://dx.doi.org/10.1016/j.jclespro.2014.12.078
ASDRUBALI, F., D’ALESSANDRO, F., & SCHIAVONI, S. (2015). A review of unconventional sustainable building insulation materials. Sustainable Materials and Technologies, 4, 1-17. http://dx.doi.org/10.1016/j.susmat.2015.05.002
CARLUCCI, S., & PAGLIANO, L. (2012). A review of indices for the long-term evaluation of the general thermal comfort conditions in buildings. Energy and Buildings, 53, 194-205. http://dx.doi.org/10.1016/j.enbuild.2012.06.015
DÍAZ, O. (2012). La cubierta metálica en el clima cálido húmedo: análisis del comportamiento térmico del techo de zinc de la vivienda vernácula dominicana. Catalunya: Master’s thesis, Universitat Politècnica de Catalunya. https://upcpmmons.uc.edu.es
DIN, M. F., LEE, Y. Y., PONRAJ, M., OSSEN, D. R., IWAO, K., & CHELLIAPAN, S. (2014). Thermal comfort of various building layouts with a proposed discomfort index range for tropical climate. Journal of thermal biology, 41, 6-15. http://dx.doi.org/10.1016/j.jtherbio.2014.01.004
FANG, Z., XU, X., ZHOU, X., WU, H., LIU, J. AND LIN, Z. (2019). Investigation into the thermal comfort of universty students conducting outdoor training. Building and Environment, 149, 26 - 38. https://doi.org/10.1016/j.buildenv.2018.12.003
HANNA, E. G., & TAIT, P. W. (2015). Limitations to Thermoregulation and Acclimatization Challenge Human Adaptation to Global Warming. International Journal of Environmental Research and Public Health, 12, 8034-8074. http://dx.doi.org/10.3390/ijerph120708034
HATVANI, K. G., BELUSKO, M., SKINNER, N., POCKETT, J., & BOLAND, J. (2016). Drivers and barriers to heat stress resilience. Science of the Total Environment, 571, 603-614. http://dx.doi.org/10.1016/j.scitotenv.2016.07.028
HATVANI, K. G BELUSKO, M., SKINNER, N., POCHETT, J.AND BOLAND, J. (2016). Heat stress risk and resilience in the urban environment. Sustainable Cities and Society, 26, 278-288. http://dx.doi.org/10.1016/j.scs.2016.06.019
HENDEL, M., AZOS-DÍAZ, K. AND TREMEAC, B. (2017). Behavioral adaptation to heat-related health risks in cities. Energy and Buildings, 152, 823 - 829. http://dx.doi.org/10.1016/j.enbuild.2016.22.063
JELLE, B. P. (2011). Traditional, state-of-the-art and future thermal building insulation materials and solutions-Properties, requirements and possibilities. Energy and Buildings, 43, 2549-2563. https://doi.org/10.1016/j.enbuild.2011.05.015
KABRE, C. (2010). A new thermal performance index for dwelling roofs in the warm humid tropics. Building and Environment, 45, 727-738. https://doi,org/10.1016/j.buildenv.2009.08.017
LOENHOUT, J. A. F., GRAND, A., DUJIM, F., VINK, N. M., HOEK, G. AND ZUURBIER, M. (2016). The effect of high indoor temperatures on self-perceived health of elderly persons. Environmental Research, 146, 27 - 34. http://dx.doi.org/10.1016/j.envres.2015.12.012
MIRON, I. O., MANEA, D. L., CANTOR, D. M., & ACIU, C. (2017). Organic Thermal Insulation Based on Wheat Straw. Procedia Engineering, 181, 674-681. http://creativecommons.org/licenses/by-nc-nd/4.0/
MORENO, A. C., MORAIS, I. S., & SOUZA, R. G. (2017). Thermal Performance of Social Housing-A Study Based on Brazilian Regulations. Energy Procedia, 111, 111-120. http://creativecommons.org/licenses/by-nc-nd/4.0/
NEMATCHOUSA, M. K., RICCIARDI, P., ORROSA, J. A., ASADI, S., & CHOUNDHARY, R. (2019). Influence of indoor environmental quality on the self-estimated performance of office workers in the tropical wet and hot climate of Cameroon. Journal of Building Engineering, 21, 141-148. https://doi.org/10.1016/j.jobe.2018.10.007
OMONIJO, A. G. (2017). Assessing seasonal variations in urban thermal comfort and potential health risks using Physiologically Equivalent Temperature: A case of Ibadan. Nigeria. Urban Climate, 21, 87-105. http://dx.doi.org/10.1016/j.uclim.2017.05.006
Pantavau, K., Theoharatos, G., Mavrakis, A., & Santamouris, M. (2011). Evaluating thermal comfort conditions and health responses during an extremely hot summer in Athens. Building and Environment, 46, 339-344. http://dx.org/10.1016/j.buildenv.2010.07.026
PARGANA, N., PINHEIRO, M. D., SILVESTRE, J. D., & BRITO, J. (2014). Comparative environmental life cycle assessment of thermal insulation materials of buildings. Energy and Buildings, 82, 466-481. http://dx.doi.org/10.1016/j.enbuild.2014.05.057
PARSON, K. C. (2003). Humann Thermal Environments. The Effects of Hot, Moderate and Cold Environments on Human Health, Comfort and Performance. (3rd ed). London New York: CRC Press.
PYRGOU, A., & SANTAMOURIS, M. (2018). Increasing probability of heat-related mortality in a Mediterranean city due to urban warming. International journal of environmental research and public health, 15, 1571. https://doi.org/10.3390/ijerph15081571
QUINN, A., TAMARIUS, J. D., PERZANOWSKI, M., JACOBSON, J. S., GOLDSTEIN, I., ACOSTA, L., & SHAMAN, J. (2014). Predicting indoor heat exposure risk during extreme heat events. Science of the Total Environment, 490, 686-693. http://dx.doi.org/10.1016/j.scitotenv.2014.05.039
SAMPSON, N. R., GRONLUND, C. J., BUXTON, M. A., CATALANO, L., WHITE, N., COLON, K. C., & PARKER, E. A. (2013). Staying cool in a changing climate: Reaching vulnerable populations during heat events. Global Environmental Change, 23, 475-484. http://dx.doi.org/10.1016/j.gloenvcha.2012.12.011
SHARADKHANI, R., KAHANJANI, N., BAHRAM, B., JOHANI, Y. AND TABRIZI, J. S. Physiological Equivalent Temperature Index and mortality in Tabriz (The northwest of Iran). (2018). Journal of Thtemal Biology, 71, 195 - 201. https://doi.org/10.1016/j.jtherbio.2017.11.012
UEJIO, C. K., WILHELMI, O. V., GOLDEN, J. S., MILLS, D. M., GULINO, S. P., & SAMENOW, J. P. (2011). Intra-urban societal vulnerability to extreme heat: the role of heat exposure and the built environment, socioeconomics, and neighborhood stability. Health & Place, 17, 498-507. http://dx.doi.org/10.1016/j.healthplace.2010.12.005
WANG, J., KUFFER, M., SLIUZAS, R., & KOHLI, D. (2019). The exposure of slums to high temperature: Morphology-based local scale thermal patterns. Science of the total environment, 650, 1805-1817. https://doi.org/10.1016/j.scitotenv.2018.09.324
ZANDER, K. K., MOSS, S. A., & GARNETT, S. T. (2017). Drivers of self-reported heat stress in the Australian labour force. Environmental research, 152, 272-279. http://dx.coi.org/10.1016/j.envres.2016.10.029
ZUO, J., PULLEN, S., PALMER, J., BENNETTS, H., CHILESHE, N., & MA, T. (2015). Impacts of heat waves and corresponding measures: a review. Journal of Cleaner Production, 92, 1-12. http://dx.doi.org/10.1016/j.jclespro.2014.12.078