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  • Users: FWilson
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  1. FWilson

    Temperature drop from a cascade aeration process

    I need to calculate the temperature drop in water which starts at one pond at 160 deg F and falls over cascade aeration into a lower pond.. The drop is 8 steps, each 0.8' drop and 2.6' in horizontal length. I know the air temperature and will assume clean water. I need to determine the...
  2. FWilson

    Fabric Building Design

    I am looking for some continuing education in the design of fabric structures, just basics to allow me to understand what vendors are telling me. Any ideas, any location? I am not finding anything.
  3. FWilson

    Cost of a Bolted steel tank

    I need a budget cost for a 20,000 gallon, vertical bolted steel tank. Mild steel, will have a liner inserted separtely, used to hold water, Closed top. Material and installation. Anyone further have an idea on removal of same?
  4. FWilson

    ISO Std 175

    ISO Std 175 concerns the testing of materials' compatibility with various chemicals and reagents. Does anyone know the length of exposure time specified in this standard?
  5. FWilson

    Soil temperature below a tank.

    I need to predict the temperature of soil 24" below a constant 185 deg F. tank bottom. I can estimate soil type and water content. Any ideas on how to approximate the temperature?

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