In this paper, based on in situ experimental temperature measurements, the following dynamic thermal parameters of a wall were calculated: decrement factor, time shift of thermal transmittance and areal heat capacities. The outdoor and indoor air temperature of a resident building in Belgrade during the three months from spring to summer of the last year were collected by data loggers. The experimental data were processed using the techniques of filtering and Locally Scatter plot Smoothing (LOESS) method, in order to get frequency and amplitude of daily temperature variations. A solution of the Fourier heat equation for this case, in matrix formulation in frequency space, is given. Matrix's elements of the Fourier equation were used for calculation of the dynamic thermal parameters of the wall.
Keywords:
Fourier heat equation / temperature data processing / wall's thermal parameters
Source:
17th International Symposium on Thermal Science and Engineering of Serbia, Sokobanja, 20-23 October 2015., 2015, -258
TY - CONF
AU - Petojević, Zorana
AU - Mirković, Milica
AU - Jovanović, Željko
AU - Gospavić, Radovan
AU - Todorović, Goran
PY - 2015
UR - https://grafar.grf.bg.ac.rs/handle/123456789/2991
AB - In this paper, based on in situ experimental temperature measurements, the following dynamic thermal parameters of a wall were calculated: decrement factor, time shift of thermal transmittance and areal heat capacities. The outdoor and indoor air temperature of a resident building in Belgrade during the three months from spring to summer of the last year were collected by data loggers. The experimental data were processed using the techniques of filtering and Locally Scatter plot Smoothing (LOESS) method, in order to get frequency and amplitude of daily temperature variations. A solution of the Fourier heat equation for this case, in matrix formulation in frequency space, is given. Matrix's elements of the Fourier equation were used for calculation of the dynamic thermal parameters of the wall.
PB - Mechanical Engineering Faculty, University of Niš
C3 - 17th International Symposium on Thermal Science and Engineering of Serbia, Sokobanja, 20-23 October 2015.
T1 - Determination of dynamic thermal characteristics of a building wall
EP - 258
UR - https://hdl.handle.net/21.15107/rcub_grafar_2991
ER -
@conference{
author = "Petojević, Zorana and Mirković, Milica and Jovanović, Željko and Gospavić, Radovan and Todorović, Goran",
year = "2015",
abstract = "In this paper, based on in situ experimental temperature measurements, the following dynamic thermal parameters of a wall were calculated: decrement factor, time shift of thermal transmittance and areal heat capacities. The outdoor and indoor air temperature of a resident building in Belgrade during the three months from spring to summer of the last year were collected by data loggers. The experimental data were processed using the techniques of filtering and Locally Scatter plot Smoothing (LOESS) method, in order to get frequency and amplitude of daily temperature variations. A solution of the Fourier heat equation for this case, in matrix formulation in frequency space, is given. Matrix's elements of the Fourier equation were used for calculation of the dynamic thermal parameters of the wall.",
publisher = "Mechanical Engineering Faculty, University of Niš",
journal = "17th International Symposium on Thermal Science and Engineering of Serbia, Sokobanja, 20-23 October 2015.",
title = "Determination of dynamic thermal characteristics of a building wall",
pages = "258",
url = "https://hdl.handle.net/21.15107/rcub_grafar_2991"
}
Petojević, Z., Mirković, M., Jovanović, Ž., Gospavić, R.,& Todorović, G.. (2015). Determination of dynamic thermal characteristics of a building wall. in 17th International Symposium on Thermal Science and Engineering of Serbia, Sokobanja, 20-23 October 2015.
Mechanical Engineering Faculty, University of Niš..
https://hdl.handle.net/21.15107/rcub_grafar_2991
Petojević Z, Mirković M, Jovanović Ž, Gospavić R, Todorović G. Determination of dynamic thermal characteristics of a building wall. in 17th International Symposium on Thermal Science and Engineering of Serbia, Sokobanja, 20-23 October 2015.. 2015;:null-258.
https://hdl.handle.net/21.15107/rcub_grafar_2991 .
Petojević, Zorana, Mirković, Milica, Jovanović, Željko, Gospavić, Radovan, Todorović, Goran, "Determination of dynamic thermal characteristics of a building wall" in 17th International Symposium on Thermal Science and Engineering of Serbia, Sokobanja, 20-23 October 2015. (2015),
https://hdl.handle.net/21.15107/rcub_grafar_2991 .
