Eventos Anais de eventos
ENCIT 2020
18th Brazilian Congress of Thermal Sciences and Engineering
CFD ANALYSIS OF A TROMBE WALL SYSTEM FOR COOLING IN A SUBTROPICAL REGION
Submission Author:
Alexandre Kanehide Ijuim , SP
Co-Authors:
Alexandre Kanehide Ijuim, Vicente Luiz Scalon
Presenter: Alexandre Kanehide Ijuim
doi://10.26678/ABCM.ENCIT2020.CIT20-0277
Abstract
The Trombe wall system aims to use the solar radiation to provide sustainable energy to an air renewal system. While conventional photovoltaic solar panels convert solar energy into electrical energy, the Trombe wall uses thermal inertia and natural convection to perform the thermal conditioning of an indoor environment. Another possible use is heating an environment in a similar way to solar water panels. On the other hand, this device can also be used to create an air flow for cooling the environment, such as a solar chimney or other system passive ventilation. This paper focuses on the study of the second alternative, which is suitable for the intense summer of tropical and subtropical regions, typical for the south and southeast of Brazil. For this study an analytical model, available in the literature, is used to evaluate its operation. Subsequently, this analytical model is compared with results from a computational fluid dynamics modeling using solar system load in order to evaluate the model and impacts on the conditions of the room. Results for the temperature and speed profiles in the system showed a good ventilation capacity through the chimney, adequate to the proposed conditions.
Keywords
Trombe wall, Solar Chimney, CFD
DOWNLOAD PDF VIEW PRESENTATION
