The effects of solar chimneys on thermal load mitigation of office buildings under the Japanese climate
The study investigated the performance of a solar chimney, which is integrated into a south facade of a one-story building, as well as the effect on the heating and cooling loads of the building by using a CFD simulation and an analytical model. A C programming code was developed for the calculation...
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| Veröffentlicht in: | Renewable energy 2006-06, Vol.31 (7), p.987-1010 |
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| container_title | Renewable energy |
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| creator | Miyazaki, T. Akisawa, A. Kashiwagi, T. |
| description | The study investigated the performance of a solar chimney, which is integrated into a south facade of a one-story building, as well as the effect on the heating and cooling loads of the building by using a CFD simulation and an analytical model. A C programming code was developed for the calculation of the heating and cooling loads by the heat balance method. The analytical equations of a solar chimney were incorporated into the heat balance calculation. The results showed that the fan shaft power requirement was reduced by about 50% in annual total due to the natural ventilation. It was also found that the solar chimney was beneficial to reduce the heating load by about 20% during the heating season. The annual thermal load mitigation was estimated as 12% by taking the increase of the cooling load into account. |
| doi_str_mv | 10.1016/j.renene.2005.05.003 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0960-1481 |
| ispartof | Renewable energy, 2006-06, Vol.31 (7), p.987-1010 |
| issn | 0960-1481 1879-0682 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Applied sciences Energy Equipments, installations and applications Exact sciences and technology Heating and cooling loads Natural energy Natural ventilation Passive heating Solar chimneys Solar energy Solar thermal conversion |
| title | The effects of solar chimneys on thermal load mitigation of office buildings under the Japanese climate |
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