SYMPOSIA PAPER Published: 01 January 1983
STP29468S

Effect of Air Movement on Thermal Resistance of Loose-Fill Thermal Insulations

Source

An apparatus to measure the heat flux through horizontally applied loose-fill insulations with air movement above the insulation has been constructed and used to test specimens of loose-fill cellulosic, fiberglass, and rock wool insulations. Heat flux divided by the temperature difference across insulation specimens was measured for air velocities up to 92 cm/s. An increase in the heat flux term with air movement was observed and correlated with air velocity and specimen density. The magnitude of the increase in the heat flux term was greatest for the specimen of low-density fibergalss insulation.

Author Information

Yarbrough, DW
Tennessee Technological University, Cookeville, Tenn.
Toor, IA
Tennessee Technological University, Cookeville, Tenn.
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Details
Developed by Committee: C16
Pages: 529–541
DOI: 10.1520/STP29468S
ISBN-EB: 978-0-8031-4856-7
ISBN-13: 978-0-8031-0230-9