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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 2:09 |
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Conference: Bucharest University Faculty of Physics 2021 Meeting
Section: Physics and Technology of Renewable and Alternative Energy Sources
Title:
Trombe wall
Authors:
Florin-Lucian COMAN
Affiliation:
University of Bucharest, Faculty of Physics, 405 Atomistilor Street, 077125, Magurele, Romania
E-mail
comanflorinlucian@gmail.com
Keywords:
renewable energy, solar power, passive house
Abstract:
In this paper, a new design is presented for heating and ventilating rooms using solar energy that is recommended in the winter season and for reducing the cooling load in the summer season.
The first step in creating a pleasant environment in a building is to understand the connection between climate and the human need for shelter. Buildings are subject to a wide variety of climates, they can be centrally continental, or oceanic climates globally, or on the dark side of a hill or street, locally. All this will influence a building in terms of its relationship with the sun. This, depending on the proposed solution, can be a positive element or on the contrary can have a harmful influence on the building. Poor climate design can be seen in many examples of contemporary buildings, for example due to the ensemble chosen for the facades they overheat, in climates where this problem did not exist for traditional buildings.
Solar power should be understood and respected for a good design of passive solar buildings in which solar energy is used in such a way that it does not interfere with the comfort and health of the occupants.
The purpose of the article is to clarify these terms and also to create a brief presentation of some passive methods, traditionally applied to buildings, as well as to describe some details and procedures for the passive use of solar energy: greenhouse and atrium, Trumpet wall, double facade.
A Trombe wall is a south-facing wall of a building that is thick and is usually painted black to absorb heat. In the southern hemisphere of the world, this wall would be the northern wall of the building, because this is the part of the winter sun. A glass or plastic window is installed on the outside of the wall a few centimeters apart, which creates an air gap between the window and the wall. In winter, this configuration allows the wall to heat up during the day, as glass does not allow heat to escape easily. At night, the wall cools, which leads to heat loss in the building. In summer, the same wall can be used to cool the building.
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