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Cob: testing using scale modelsDoNegard at aol.com DoNegard at aol.comTue Jul 20 20:22:46 CDT 1999
Wayne <<How about building 2 or 3 scale models not much bigger than a 5'x6' shed of each construction type?>> Boy have you got me thinking. This seems like an ideal way to evaluate construction types, what with having identical environmental conditions, so essential to getting a true comparison. << If your windows, doors and etc. are left out, you would know more about the construction + insulation type effects. The basic idea is to heat both structures with the same amount of fuel expenditure, and see which cools off sooner. The true nature of insulation values are also interested in ability to hold cold air. So you might do the same test using piped in air conditioning until your core reached the desired temperature. (make a note on how long it took) Then measure how long the core stays cool after the cold air is removed (reseal the structure).>> You could also put a hundred pound block of ice in each structure and time it from ice to water. I can see one kind of test being run right on top of another, every few days, waiting only until some kind of temperature stabilization occurs before moving on to the next test. I have friends 7 miles from my house that might let me set up such structures, with both wooded and open areas on the same land. Thanks much for your ideas. Don in Hot Springs, SD
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