TITLE

Determination of thermal conductivity of natural silicate melts

AUTHOR(S)
Bu¨ttner, R.; Zimanowski, B.; Lenk, C.; Koopmann, A.; Lorenz, V.
PUB. DATE
September 2000
SOURCE
Applied Physics Letters;9/18/2000, Vol. 77 Issue 12
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Cooling of natural silicate melts and energy transfer to the environment are controlled by the temperature-dependent thermal conductivity. We describe a method that allows a correlation between temperature-dependent strain rate and a bulk temperature during a cooling or heating process under quasisteady state conditions in a Newtonian flow regime. A rotational viscometer measured data for experimental cooling curves of remelted volcanic rock materials. From these data we can calculate the thermal conductivity of an unknown melt after we calibrate the setup with a melt of known thermal conductivity as a by-product of viscosimetry. © 2000 American Institute of Physics.
ACCESSION #
4414291

 

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