Abstract
The proposed apparatus is designed to determine simultaneously a series of thermal properties of liquids and gases, namely, thermal conductivity λ, heat capacity per unit volume C p ρ (C p is the specific heat at constant pressure and ρ is the density), and consequently thermal diffusivity α = λ/(C p ρ) and the thermal activity coefficient \( \b = \lambda /\sqrt a = \sqrt {\lambda {C_p}\rho }.\ \) The apparatus employs the principle of a probe, thin wire, or foil, which is heated to create a thermal disturbance in a substance, after which the thermal reaction of the substance to such a disturbance is determined. The thermal response carries information on the thermal properties.
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Phylippov, L.P., Kravchun, S.N., Tleubaev, A.S. (1992). Apparatus for Measuring Thermophysical Properties of Liquids by AC Hot-Wire Techniques. In: Maglić, K.D., Cezairliyan, A., Peletsky, V.E. (eds) Compendium of Thermophysical Property Measurement Methods. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3286-6_13
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DOI: https://doi.org/10.1007/978-1-4615-3286-6_13
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