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Validation of WINDOW 6 and THERM 6 for Use in Determining the Solar Heat Gain Coefficients and U-Factors of Complex Glaz

Background. WINDOW 6 and THERM 6 are currently under development with new capabilities Calculate the SHGC and U-Factor of Woven Shades, Venetian Blinds, and Fritted GlassShading Systems Can Be LocatedIndoorBetween GlazingOutdoor. Project Objectives. Perform and coordinate the data collection

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Validation of WINDOW 6 and THERM 6 for Use in Determining the Solar Heat Gain Coefficients and U-Factors of Complex Glaz

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    1. Validation of WINDOW 6 and THERM 6 for Use in Determining the Solar Heat Gain Coefficients and U-Factors of Complex Glazing Systems Research Project NFRC Project Number: 07-101-RP NFRC 2009 Spring Membership Meeting William C. duPont/Sunergy Consulting W. Ross McCluney/Sun Pine Consulting

    2. Background WINDOW 6 and THERM 6 are currently under development with new capabilities Calculate the SHGC and U-Factor of Woven Shades, Venetian Blinds, and Fritted Glass Shading Systems Can Be Located Indoor Between Glazing Outdoor

    3. Project Objectives Perform and coordinate the data collection, research, and testing to evaluate the new features within WINDOW 6 and THERM 6

    4. Project Tasks and Deliverables Task 1 – Literature Search (3 Months) Compile and Evaluate Existing SHGC and U-Factor Test Results Describe Existing Methods of Calculating SHGC and U-Factors Task 2 – Perform Tests and Simulations (7 Months) Identify and Procure Test Specimens Perform SHGC and U-Factor Tests Perform SHGC and U-Factor Simulations Task 3 – Compare and Evaluate Results (2 Months) Test and Simulation Results from Literature Search SHGC and U-Factor Test Results Task 4 – Status Reports & Papers (3 Months)

    5. Task 1a: Existing Results Comparison Included SHGC & U-Factor Test & Simulation Results (20 Sets) Manufacturer’s Test Results Pella (of 20 sets of tests, 8 U-Factor & 8 SHGC Tests) ODL Glazing Systems w/o Frames (2 U-Factor & 2 SHGC Tests) ODL with Door Frames (2 U-Factor & 2 SHGC Tests) Research Papers and Reports ASHRAE 1311-RP (8 U-Factor & 8 SHGC Tests & Simulations) Not-Included SHGC & U-Factor Test & Simulation Results Manufacturer’s Test Results Hunter Douglas (50-80 U-Factor and SHGC Tests) Research Papers and Reports ASHRAE RP 947 (6-10 SHGC Tests {Center-of-Glass}) NFRC Black Blind Tilted (6 SHGC Tests at 3 Laboratories) NFRC Glass Block (3 SHGC Tests) Lund University Research for PARASOL 2.0

    6. Task 1b: Existing Methodologies Existing SHGC and U-Factor Calculation Methodologies ISO 15099 (Window & Venetian Blind similar) ISO 10077 & WIS (Venetian Blind similar) ASHRAE 1311-RP ASHWAT Model (Venetian Blind similar) Existing ASHRAE SHGC Load Calculation Method IAC and Tables ParaSol 2.0 (Lund University) EN 14500 & EN 14501

    7. Task 2a Overview Test Specimen List 26 SHGC Tests (2 U-Factors Simulated) 20 U-Factor Tests Revised Test Specimen List 6 Simple Glazing System Tests 4 Reference Glazing 2 Fritted Glazing Samples (High & Low Density) 8 Inside Shading System Tests 4 Woven Blinds (Loose & Dense Weave, Tight & Loose Fit) 2 Venetian Blinds (Open, 45?, Closed, High & Low Absorptance) 10 Between-Glazing Shading System Tests 2 Woven Blinds 3 Venetian Blinds (Open, 45?, Closed, Thin & Thick Pane Spacing, High & Low Absorptance) 1 Retracted (Venetian Blind) 2 Outside Shading System Tests 2 Sunscreen (Loose and Dense Weave, High & Low Absorptance)

    8. Task 2b Overview (Continued) Procure Test Specimens Donation of Windows, Glazing and Shades Marvin Windows and Doors Pella Corporation Viracon Glen Raven Custom Fabrics Phifer Wire Hunter Douglas Replaced Low-E Window (Original Clear Glass) Need to Identify Glazing Layer with Properties of Shade

    9. Task 2b Overview Perform SHGC Tests Architectural Testing, Inc. in Fresno, CA (ATI) started SHGC Testing on October 6, 2008 PI Visit ATI during the week of October 6-10, 2008 15 of 26 SHGC Tests Completed

    10. Task 2b Overview (Continued) Perform U-Factor Tests Primary NFRC 102 Laboratory (All Tests) Architectural Testing, Inc. in Fresno, CA (ATI) Secondary NFRC 102 Laboratories (Two Specimens Each) Architectural Testing, Inc. in St. Paul, MI Architectural Testing, Inc. in York, PA U-Factor Testing started October 3, 2008 PI Visit ATI during the week of October 6-10, 2008 10 of 20 U-Factor Tests Completed

    11. Task 2b Overview (Continued)

    12. Task 2c Overview Perform SHGC and U-Factor Simulations Carli, Inc. has been Chosen as NFRC 100 and NFRC 200 Simulation Laboratory Simulated as Tested As Installed in Solar Calorimeter or Thermal Chamber At Environmental Conditions Experienced During Testing Simulation of New Test Results Window Manufactures Have Donated WINDOW and THERM Files Need to Procure Adequate Working Drawings and Bill of Materials of Some Windows Need to Measure Optical Properties of Shade Materials Simulation of Old Test Results 20 Comparisons Expected 2 Sets Center-of-Glass Only

    13. Current Tasks Procure Working Drawings Procure Optical Properties Test Results for Addition to WINDOW Shading Systems Library Shade Manufacturers Have Agreed to Donate Test Results Review Completed Test Results Start Simulations...

    14. Questions or Comments?

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