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

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

• William C. duPont/Sunergy Consulting
• Ross McCluney/Sun Pine Consulting
• NFRC Project Number 07-101-RP

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
• Inside
• Between Glazing
• Outside

3
Project Objectives

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

4
Project Tasks

• Task 1 Literature Search
• 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
• Identify and Procure Test Specimens
• Perform SHGC and U-Factor Tests
• Perform SHGC and U-Factor Simulations
• Task 3 Compare and Evaluate Results
• Literature Search
• SHGC and U-Factor Test Results
• Task 4 Status Reports and Peer-Reviewed Paper

5
Project 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)
• Literature Search
• SHGC and U-Factor Test Results
• Task 4 Status Reports and Peer-Reviewed Papers
  (3 Months)

6
Task 1 Overview

• Existing SHGC and U-Factor Test Results
• Approached manufacturers and researchers who have
  products tested to submit similar or identical
  specimens (and previous results).
• ASHRAE Papers and Reports
• Queens University
• Tait Solar
• University of Waterloo
• NFRC Research Projects
• Black Blind Tilted
• Glass Block
• 7 Glazings with 9 Shades
• European Research Projects
• Lund University

7
Task 1 Overview(Continued)

• Existing SHGC and U-Factor Calculation
  Methodologies
• ASHRAE Methods
• ASHRAE 1311-RP
• Existing SHGC Load Calculation Method
• European Methods
• EN 14500 EN 14501

8
Task 2a Overview

• Selection of Test Specimens
• 26 SHGC Tests
• 20 U-Factor Tests
• Initial Test Specimen List (Contract)
• 6 Simple Glazing System Tests
• 4 Reference Glazing
• 2 Fritted Glazing Samples (High Low Density)
• 5 Inside Shading System Tests
• 2 Woven Blinds (Loose Dense Weave, Tight
  Loose Fit)
• 1 Venetian Blinds (Open, 45?, Closed)
• 14 Between-Glazing Shading System Tests
• 2 Woven Blinds (Loose Dense Weave, Tight
  Loose Fit)
• 4 Venetian Blinds (Open, 45?, Closed, Thin
  Thick Pane Spacing)
• 2 Retracted (Venetian Blind Woven Blind)
• 1 Outside Shading System Tests
• 1 Sunscreen

9
Task 2a Overview(Continued)

• Revision of Test Specimen List
• In Collaboration with the PMTG
• 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)
• 1 Retracted (Venetian Blind)
• 2 Outside Shading System Tests
• 2 Sunscreen (Loose and Dense Weave)

10
Task 2b Overview

• Perform SHGC Tests
• NFRC 201 Accredited Testing Laboratory
• Installation of Fenestration Attachments
• Sometimes Difficult to Install Properly at Tilt
• Verified by Sunergy Consulting
• Instrumentation of Test Specimens
• Added Temperature Sensors
• Monitor Atmospheric Data to Adjust Solar Spectrum
• Reporting Requirements
• Calibration Reports and Reference Glazing Tests
• Raw Data in Electronic Format
• Proposal and Addendum Received from ATI

11
Task 2b Overview(Continued)

• Perform U-Factor Tests
• NFRC 102 Accredited Testing Laboratory
• Installation of Fenestration Attachments
• Verified by Sunergy Consulting
• Instrumentation of Test Specimens
• Add Temperature Sensors (ASTM C 1199 ASTM E
  1423)
• Reporting Requirements
• ASTM C 1363 and CTS Calibration Reports
• Raw Data in Electronic Format
• RFP Distributed in May 2008
• Response from 3 Laboratories (One Company)
• ATI Fresno (All Specimens)
• ATI Minnesota (2 Specimens)
• ATI York (2 Specimens)

12
Task 2c Overview

• Perform SHGC and U-Factor Calculations
• NFRC Accredited Simulation Laboratory
• NFRC 100 and NFRC 200 Procedures
• WINDOW 6 and THERM 6
• Simulated as Tested
• As Installed in Solar Calorimeter or Thermal
  Chamber
• At Environmental Conditions Experienced During
  Testing
• Reporting Requirements
• Written Reports and All Electronic Files
• Critique Simulation Methodologies and
  Documentation
• RFP Ready for Distribution

13
Current Issues

• Finalize and Prioritize Test Specimen List
• Replacements Based on Initial Test Results
• Seek Donation of Test Specimens!
• Start SHGC Testing