Title: Photopyroelectric thermal wave setup for the absolute measurement of the thermal conductivity of low density gases
Authors: Caerels, Jan
Glorieux, Christ
Thoen, Jan #
Issue Date: Sep-2000
Publisher: Amer inst physics
Series Title: Review of scientific instruments vol:71 issue:9 pages:3506-3512
Abstract: A photopyroelectric setup for the accurate absolute measurement of the thermal conductivity of dilute gases is presented. The technique results from a modification of our previously described [Rev. Sci. Instrum. 69, 2452 (1998)] technique for the simultaneous measurement of absolute values of specific heat capacity and thermal conductivity of liquids. Measurement results are presented for different gases at room temperature and at one atmosphere as well as for the dilute Knudsen gas regime at reduced pressure. It is also demonstrated that the setup can be operated as a sensitive pressure gauge with adaptable sensitivity range. (C) 2000 American Institute of Physics. [S0034- 6748(00)04209-X].
ISSN: 0034-6748
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
# (joint) last author

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