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Advances on the hot wire technique

Journal of the European Ceramic Society, 2008
The hot wire technique is considered to be an effective and accurate means of determining the thermal conductivity of ceramic materials. However, specifically for materials of high thermal conductivity, the appropriate time interval to be considered in calculations is a decisive factor for getting accurate and consistent results.
Wilson Nunes Dos Santos
exaly   +2 more sources

Practical Advances on the Hot Wire Technique

Key Engineering Materials, 2008
In this work, a numerical simulation model is proposed with the purpose of determining the minimum and maximum measuring time for the hot wire parallel technique. An alternative experimental arrangement is also proposed for materials with thermal conductivity higher than 15W/mk. In this case, the experimental thermal transient is detected very close to
Wilson Nunes Dos Santos
exaly   +2 more sources

Historical Evolution of the Transient Hot-Wire Technique

International Journal of Thermophysics, 2010
The paper attempts to describe the historical evolution of the transient hot-wire technique, employed today for the measurement of the thermal conductivity of fluids and solids over a wide range of conditions. Starting from the first experiments with heated wires in 1780 during the discussions of whether gases could conduct heat, it guides the reader ...
Konstantinos D Antoniadis   +2 more
exaly   +2 more sources

Hot-wire measurement procedures and their appraisal through a simulation technique [PDF]

open access: yesJournal of Physics E: Scientific Instruments, 1987
The general response equations for a hot wire arbitrarily placed in a moderately three-dimensional turbulent flow are derived. These equations are then used to develop two procedures to evaluate the mean velocity vector and the whole Reynolds stress tensor through digital processing of the signals from single or x-wire probes successively positioned at
BURESTI, GUIDO, DI COCCO N. R.
core   +4 more sources

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