SYMPOSIA PAPER Published: 01 January 1997
STP12266S

A Wall and Edge Guarded Hot Box for Thermal Transmittance Measurements

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A unique guarded hot box designed for thermal testing of fenestration products incorporates several new design concepts from guarded hot plates, namely wall and edge guards, is described in detail. The wall and edge guarded hot box was built to meet the test methodologies specified in the American Society for Testing and Materials (ASTM) Standard Test Methods C 236-89 [1], “Standard Test Method for Measuring the Steady-State Thermal Performance of Building Assemblies by Means of a Guarded Hot Box”, C 976-90 [2], “Standard Test Method for Measuring the Steady-State Thermal Performance of Building Assemblies by Means of a Calibrated Hot Box” and C 1199-91 [3], “Standard Test Method for Measuring the Steady-State Thermal Transmittance of Fenestration Systems Using Hot Box Methods”.

Calibration test results for the box wall and specimen frame flanking are presented. Results from calibration transfer standard tests are compared with theoretical calculations and discussed.

Author Information

Gatland, SD
Center For Applied Engineering, Inc., St. Petersburg, FL
Goss, WP
University of Massachusetts, Amherst, MA
Baumgardner, RL
President of Rollin Inc., Stroudsburg, PA
Williams, RG
Senior research associate of the Division of Quantum Metrology, National Physical Laboratory, Teddington, U.K.
Miller, RG
Center For Applied Engineering, Inc., St. Petersburg, FL
Price: $25.00
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Details
Developed by Committee: C16
Pages: 46–60
DOI: 10.1520/STP12266S
ISBN-EB: 978-0-8031-5373-8
ISBN-13: 978-0-8031-2409-7