Determination of Parameters Influencing Thermal Comfort in a Building
Science Journal of Energy Engineering
Volume 6, Issue 3, September 2018, Pages: 42-48
Received: Sep. 20, 2018; Accepted: Oct. 6, 2018; Published: Oct. 27, 2018
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Emmanuel Ouédraogo, Department of Physics, Formation and Research Unit in Exact and Applied Sciences, University Ouaga 1 Pr Joseph KI-ZERBO, Ouagadougou, Burkina Faso; Department of Physics and chemistry, Formation and Research Unit in Sciences and Technologies, University of Ouahigouya, Ouahigouya, Burkina Faso
Boureima Dianda, Department of Physics, Formation and Research Unit in Exact and Applied Sciences, University Ouaga 1 Pr Joseph KI-ZERBO, Ouagadougou, Burkina Faso; Department of Energy, Institute of Research in Applied Sciences and Technologies, Ouagadougou, Burkina Faso
Thierry Sikoudouin Maurice Ky, Department of Physics, Formation and Research Unit in Exact and Applied Sciences, University Ouaga 1 Pr Joseph KI-ZERBO, Ouagadougou, Burkina Faso
Abdoulaye Ouédraogo, Department of Physics, Formation and Research Unit in Exact and Applied Sciences, University Ouaga 1 Pr Joseph KI-ZERBO, Ouagadougou, Burkina Faso
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This paper presents a theoretical and an experimental study on the determination of thermal phase shift time and damping factors of building walls. The work consisted in evaluating the thermal comfort in a building. This study is a contribution to put in place a thermal regulation in Burkina Faso, a country with a dry tropical climate. This regulation will, in its application, reduce the energy consumption related to air conditioning in buildings. To do this, we theoretically determine the parameters influencing this comfort using the admittance method. This method makes it possible to analyze the thermal response of a building to a periodic energy demand. It is based on the modeling of the building component by the quadrupole method resulting from the writing of the thermal problem in the form of transfer matrix products. The principle is to link the flows and temperatures of both sides of a homogeneous wall through the equation of heat and the Fourier transform. The calculation method is validated by experimental results. For simple sheet walls based on their compositions, damping factors range from about 37.9% to 79.7% and thermal phase shift time from about 3.9 hours to 7.4 hours. However, the values of these parameters are better when the walls are double-sheeted, the maximum value of the damping factor is 11.5% and the minimum value of the thermal phase shift time is 9.7 h. The values of Mean Bias Difference (MBD) and Root Mean Square Difference (RMSD) show that the theoretical and experimental results are quite concordant. The admittance method can be used to evaluate the performance of building walls.
Time Lag, Decrement Factor, Thermal Comfort, Thermal Amplitudes, Admittance Method
To cite this article
Emmanuel Ouédraogo, Boureima Dianda, Thierry Sikoudouin Maurice Ky, Abdoulaye Ouédraogo, Determination of Parameters Influencing Thermal Comfort in a Building, Science Journal of Energy Engineering. Vol. 6, No. 3, 2018, pp. 42-48. doi: 10.11648/j.sjee.20180603.11
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