Abstract
The corrosion behaviour of copper as a solar collector material was adequately simulated in tests in a solar water heating system. The weight loss technique of corrosion determination was used under exposure conditions ranging from slightly acidic to alkaline. Uniform corrosion was observed and corrosion rates; calculated estimates of the life of a typical collector made of copper were evaluated and found to be below 0.0254 mmpy and the subsequent evaluation of the life of a 3mm thick pipe shows lives of over a hundred years under the varying exposure conditions. A significant fact is that uniform corrosion took place over the period of the test.
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