| 摘要 |
Heat storage for house warming over half a year can be constructed from the following principles: A large water volume typically around 10 000m3 is necessary to keep the ratio of the heat loss through the surface compared to the heat content in the volume low. To assist the heat loss prevention the storage is isolated on the sides and on the top. From the non-isolated bottom and upwards a cooler zone is developed over half a year because of heat conduction to the ground. The approximate thickness of the temperature transition zone can be estimated to 2.5m
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