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Recommended Papers for: Needle Probe Method

Total Papers Found: 2

Use of a Pre-Drilled Hole for Implementing Thermal Needle Probe Method for Soils and Rocks

The transient line source probe needle has become a very common tool for measuring the thermal conductivities of soils and some rocks. However, field measurements using this technique can be difficult with densely packed soil and rock, as the process of inserting the probe can disturb the surrounding sample or damage the equipment. This article investigates the effects of drilling a hole ...

Author(s): , , , , ,

The measurement of the thermal conductivity of solid aggregates using the transient plane source technique

For the prediction of thermal conductivity using theoretical models of a composite or mixture of components, the thermal conductivities of the individual components must be known. In this study, the needle probe method was used to measure the thermal conductivity of a mixture of powder and fluid, and using the law of mixtures (Hashin-Shtrikman bounds) the thermal conductivity of the solid phase is estimated. A much simpler method exists though ...

Author(s): , , ,