Trombe wall

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Semi-detached house with Trombe wall under construction, 1988 in Thuringia

The Trombe wall is a combination of a collector and storage wall used in solar architecture for the passive use of solar energy . The Trombe wall was developed by the French engineer Félix Trombe together with architect Jacques Michel in 1956 in Font-Romeu-Odeillo-Via .

Functional principle and structure

Outline sketch of a Trombe wall

The Trombe wall is a passive system for using the solar energy radiated in during the day (1) + (2) (see schematic diagram). On the south facade of the building there is a blackened massive storage wall (6) - the Trombe wall - behind single glazing (4). The distance (5) between the glazing and the wall is about 10 to 15 cm. During the day, the wall heats up due to the absorbed solar radiation and the greenhouse effect caused by the glass pane . The air heated in this way can be directed into the interior rooms through ventilation flaps (7) + (8). At night, the wall releases part of the stored heat with a time delay (“phase shift”). The Trombe wall is usually made of concrete , with a wall thickness of 46 to 75 cm.

A disadvantage of the Trombe wall is the poor thermal insulation. Under the climatic conditions common in Central Europe, the solar gain is considerably reduced compared to the heat losses through the uninsulated wall.

Further developments of the Trombe wall, for example, use water, which has a significantly higher heat storage capacity than concrete, as a storage medium.

See also

literature

  • JI Yellot et al .: An Analysis of National and International Examples of Solar Heated and / or Cooled Dwellings, with Emphasis on the Architectural Modifications Required to Integrate the Solar Sub-systems with the Dwelling. Arizona State University, College of Architecture, 1975.
  • E. Bilgen, R. Jeldres: On the optimization of Trombe wall solar collectors. In: American Society of Mechanical Engineers 12, 1978.
  • A. Chel et al .: Energy conservation in honey storage building using Trombe wall. In: Energy and Buildings 40, 2008, pp. 1643-1650.
  • W. Smolec, A. Thomas: Problems encountered in heat transfer studies of a trombe wall. In: Energy Conversion and Management 35, 1994, pp. 483-491.
  • B. Chen et al: The effect of Trombe wall on indoor humid climate in Dalian, China. In: Renewable Energy 31, 2006, pp. 333-343.

Individual evidence

  1. ↑ a b S. Meyer: Effect of a hybrid double facade system on the energy balance and the room climate of the rooms behind. Dissertation, TU Cottbus, 2001, p. 9
  2. ↑ TU-Darmstadt: Trombe ( Memento of 23 October 2008 in the Internet Archive )
  3. ↑ energieroute.de: Passive use of solar energy. Accessed October 19, 2008