An analysis of different insulation strategies for earth-sheltered buildings
Conference
·
OSTI ID:33303
- Warsaw Univ. of Technology (Poland). Dept. of Architecture
This paper provides a comparative analysis of the energy performance of various insulation configurations for earth-sheltered buildings. It discusses the effectiveness of each insulation configuration in reducing the heating and cooling load. The long-term unsteady thermal processes between the building and the surrounding soil are considered. The mathematical model of the problem consists of a heat conduction equation with appropriate boundary and initial conditions. The variations in outside air temperature are driven by a harmonic function. The set of algebraic equations obtained by balancing the elementary heat flows into control elements is solved by an explicit scheme. The simulation program enables a two-dimensional thermal analysis in two cross sections for an underground building of any size situated at any depth. It predicts the heat flow between the building and the surrounding soil and through the ground`s surface. Internal building surface and soil temperatures are also calculated.
- OSTI ID:
- 33303
- Report Number(s):
- CONF-9406105--
- Country of Publication:
- United States
- Language:
- English
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