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Solar Thermal Technology: Flat Plate Vs. Vaccum Tube
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Solar Thermal Technology: Flat Plate Vs. Vaccum Tube

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Richard Good of Solar Services Inc. discusses the technical benefits of using a Flat Plate vs. Evacuated Tubes in your solar hot water installations.

Richard Good of Solar Services Inc. discusses the technical benefits of using a Flat Plate vs. Evacuated Tubes in your solar hot water installations.

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    Solar Thermal Technology: Flat Plate Vs. Vaccum Tube Solar Thermal Technology: Flat Plate Vs. Vaccum Tube Presentation Transcript

    • Flat Plate Collectors VS. Evacuated Tubes Presented By: Richard Good
    • AP-30
    • AE-40
    • Performance in (Btu’s Per ft^2) Btu's Per Panel Per Day Gross Area Category Clear Day Mildly Cloudy AE-40 39.78 ft^2 AE-40 AP-30 AE-40 AP-30 AP-30 44.76 ft^2 A) (-9F) 52 46.1 39 34.8 B) (9F) 47 44 35 32.7 C) (36F) 40 40.6 27 29.3 D) (90F) 24 34.2 13 23 E) (144F) 9 27.1 1 16.8 Btu's Per ft^2 Category Clear Day Mildly Cloudy AE-40 AP-30 AE-40 AP-30 A) (-9F) 1307 1030 980 777 B) (9F) 1181 983 880 731 C) (36F) 1006 907 679 655 D) (90F) 603 764 327 514 E) (144F) 226 605 25 375
    • Efficiency Based On Temperature 1 0.9 0.8 0.7 Collector Efficiency 0.6 Unglazed Pool Collectors 0.5 Selective Flat-Plate 0.4 Evacuated Tubes 0.3 0.2 0.1 1000 W/m^2 Irradiance 0 0 50 100 150 200 250 300 Collector Inlet Temperature Above Ambient (F)
    • Ice and Snow Issues