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May we obtain thermal comfort with passive and low energy building? Study of thermal comfort in humid tropical classroom.

Number: pap. 955

Author(s) : KINDANGEN J.

Summary

Thermal comfort is one of determinant factors in increasing concentration in teaching and learning process. This study has assessed the comfort level in classroom at the Engineering Faculty of Sam Ratulangi University Manado. The classroom was designed to operate as long as possible by using passive techniques and having Intensity of Consumption Energy at below of 70 kWh/m2/year. The study was conducted by spreading questionnaires to find out how the thermal comfort responses on several conditions, using ceiling fan or not, and by measuring air temperature, relative humidity and wind speed. We found that the noon and the afternoon is a critical time which tends to lower the comfort level. There is over 70% of respondents expressed discomfort at the noon and the afternoon without using ceiling fan. However, at the noon with quite high temperature, the effects of using ceiling fan are not able to increase significantly level of thermal comfort, but at the afternoon the use of fan was instrumental in increasing the percentage of people feel comfortable. PMV and PPD indices from Fanger’s comfort equation have been compared to the results of respondents’ thermal perception analysis; we noted that these indices are very sensitive to airspeed parameter.

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Pages: 10 p.

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Details

  • Original title: May we obtain thermal comfort with passive and low energy building? Study of thermal comfort in humid tropical classroom.
  • Record ID : 30010399
  • Languages: English
  • Source: Clima 2013. 11th REHVA World Congress and 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings.
  • Publication date: 2013/06/16

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