Thermal conductivity measurements of liquids: challenges and a novel solution Technical paper
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Abstract
This paper provides a concise and accessible overview of commonly used methods for measuring the thermal conductivity of liquids. Both steady-state and transient techniques are briefly outlined, including guarded hot plate methods, laser flash analysis, and approaches based on time-dependent thermal response. Particular focus is placed on the transient hot wire method, recognized for its simplicity, versatility, and its proven suitability for liquid samples. In addition, a recently developed patented approach based on the transient hot wire technique is presented in a more illustrative manner. The concept relies on improvements in sensor design and data interpretation, aimed at enhancing measurement stability and reducing typical sources of error in liquid measurements. Rather than a detailed technical validation, the emphasis is on explaining the idea and its potential benefits in practical applications.
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Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja
Grant numbers 451-03-34/2026-03/200135
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