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New High-Temperature Guarded Hot-Box Facility for Reflective Insulation / HW. Wahle, DA. Rausch, BA. Allmon

Conference Author
Thermal Transmission Measurements of Insulation (1977 : Philadelphia, Pa.)
Physical Description
1 online resource (15 pages) : illustrations, figures, tables
Additional Creators
Allmon, BA., Rausch, DA., Wahle, HW., American Society for Testing and Materials, and ASTM International
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Summary
All-metal reflective insulation, used to insulate commercial nuclear power plants, requires special test considerations because of its nonhomogeneous nature. Internal convection and conduction paths that exist in the field must be preserved in the laboratory if the results are to be representative of field performance. The existing guarded hot-box method, ASTM Test for Thermal Conductance and Transmittance of Built-Up Sections by Means of the Guarded Hot Box (C 236-66), although intended for testing nonhomogeneous structures, does not properly consider these effects which could result in large measurement errors. A modified high-temperature guarded hot box, constructed for testing reflective insulation panels, can test one full-size, 914-mm (36 in.) square, flat panel up to 203 mm (8 in.) thick. This facility can operate at hot surface temperatures up to 811 K (1000¿̐ưF) and can be rotated to test a panel in either the horizontal or vertical orientation. The facility was verified for testing both homogeneous and nonhomogeneous insulations, and data are presented to illustrate the effect that internal convection and orientation can have on heat loss. Large-scale experiments are planned to verify the performance of individual units of insulation in a system environment.
Dates of Publication and/or Sequential Designation
Volume 1978, Issue 660 (January 1978)
Subject(s)
Other Subject(s)
ISBN
9780803147294 (e-ISBN)
9780803105898
0803105894
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1978. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
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