| 摘要 |
A solar heat absorber including a heat exchanger panel having a first surface and a second surface, the first surface having a grid-like pattern of upstanding intersecting walls with at least one of the walls being of a height which is greater than the other walls. The wall of greater height reaches substantially to the cover of the heat absorber so as to restrain air currents near the cover. The second surface includes a number of parallel spaced-apart walls defining passageways along which air can flow.
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