Validation of WINDOW 6 and THERM 6 for Use in Determining the Solar Heat Gain Coefficients and UFact

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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 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

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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

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Project Objectives

• Perform and coordinate the data collection,
  research, and testing to evaluate the new
  features within WINDOW 6 and THERM 6

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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)

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Task 1a Existing Results Comparison

• Included SHGC U-Factor Test Simulation
  Results (20 Sets)
• Manufacturers 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
• Manufacturers 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

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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

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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)

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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

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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

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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

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Task 2b Overview(Continued)
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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

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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...

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Questions or Comments?