<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Numerical mathematical modelling of the indoor thermal conditions and of the energy losses for separate rooms is an important part of the analysis of the heat-exchange balance and energy efficiency in buildings. The measurements of heat transfer coefficients for bounding structures, the air-tightness tests and thermographic diagnostics done for a building allow the influence of those factors to be predicted more correctly in developed numerical models. The temperature distribution and airflows in a typical room (along with the heat losses) were calculated for different heater locations and solar radiation (modelled as a heat source) through the window, as well as various pressure differences between the openings in opposite walls. The airflow velocities and indoor temperature, including its gradient, were also analysed as parameters of thermal comfort conditions. The results obtained show that all of the listed factors have an important influence on the formation of thermal comfort conditions and on the heat balance in a room.</p></abstract>

Numerical mathematical modelling of the indoor thermal conditions and of the energy losses for separate rooms is an important part of the analysis of the heat-exchange balance and energy efficiency in buildings. The measurements of heat transfer coefficients for bounding structures, the air-tightness tests and thermographic diagnostics done for a building allow the influence of those factors to be predicted more correctly in developed numerical models. The temperature distribution and airflows in a typical room (along with the heat losses) were calculated for different heater locations and solar radiation (modelled as a heat source) through the window, as well as various pressure differences between the openings in opposite walls. The airflow velocities and indoor temperature, including its gradient, were also analysed as parameters of thermal comfort conditions. The results obtained show that all of the listed factors have an important influence on the formation of thermal comfort conditions and on the heat balance in a room.

Numerical Modelling of Airflow and Temperature Distribution in a Living Room with Different Heat Exchange Conditions

Faculty of Physics and Mathematics, Laboratory for Mathematical Modelling of Environmental and Technological Processes, University of Latvia, 8 Zellu Str., Riga, LV-1002, LATVIA

Latvian Journal of Physics and Technical Sciences

Numerical mathematical modelling of the indoor thermal conditions and of the energy losses for separate rooms is an important part of the analysis of the...

Numerical Modelling of Airflow and Temperature Distribution in a Living Room with Different Heat Exchange Conditions

Data publikacji: 22 wrz 2010

Zakres stron: 27 - 43

DOI: https://doi.org/10.2478/v10047-010-0016-z

Słowa kluczowe
living room, heat losses, numerical modelling, solar radiation, thermal comfort

This content is open access.

Numerical Modelling of Airflow and Temperature Distribution in a Living Room with Different Heat Exchange Conditions

Data publikacji: 22 wrz 2010

Zakres stron: 27 - 43

DOI: https://doi.org/10.2478/v10047-010-0016-z

Słowa kluczoweliving room, heat losses, numerical modelling, solar radiation, thermal comfort

This content is open access.

Słowa kluczowe
living room, heat losses, numerical modelling, solar radiation, thermal comfort