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Model Validation

Model Validation. -Air lock caused flow restriction, elevated temperatures -Excess energy lost to boiling and higher temperatures -Underperformed model predictions. One Year In Puerto Rico. Jan 1 to March 31 8,234 Liters in 90 Days Average of 91.5 Liters per day July 1 to September 30

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Model Validation

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  1. Model Validation

  2. -Air lock caused flow restriction, elevated temperatures -Excess energy lost to boiling and higher temperatures -Underperformed model predictions

  3. One Year In Puerto Rico • Jan 1 to March 31 • 8,234 Liters in 90 Days • Average of 91.5 Liters per day • July 1 to September 30 • 9,725 Liters in 92 Days • Average of 105.7 Liters per day • Apr 1 To June 31 • 9,219 Liters in 91 Days • Average of 101.3 Liters per day • October 1 to December 31 • 7,962 Liters in 92 Days • Average of 86.5 Liters per day 35,140 Liters Yearly Average 96.2 Liters per day December: 2,504 Liters (80.8 Liters / day)

  4. Warm-Up January 5 • Sunrise 6:57 am • 500+ Watts 9:00 am • First Liter 9:52 am • Sunset 6:01 pm • Total 89 Liters April 24 • Sunrise 6:01 am • 500+ Watts 9:00 am • First Liter 9:21 am • Sunset 6:44 pm • Total 99 Liters • August 15 • Sunrise 6:07 am • 500+ Watts 9:00 am • First Liter 9:09 am • Sunset 6:50 pm • Total 120 Liters • October 22 • Sunrise 6:20 am • 500+ Watts 9:00 am • First Liter 9:24 am • Sunset 5:57 pm • Total 104 Liters

  5. Warmup Characterization

  6. When conditions are such that after passing through the heat exchanger and the lower 2/3 of the collector the water has not yet reached temperature, the valve will restrict flow. This appears in the data as an oscillating temperature at the valve, as well as a “cycling” of output.

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