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Recommended Papers for: laser flash

Total Papers Found: 8

Thermal Conductivity of Poly-Alpha-Olefin (PAO)-Based Nanofluids

Three techniques were compared for the determination of thermal conductivity in poly-alpha-olefin (PAO)-based nanofluids. The three methods that were used were the transient hot wire, transient plane source, and laser flash techniques. The effects of temperature, nanoparticle concentration, and shape on the thermal conductivity were also examined, and these effects were compared to those predicted by a previously determined model. It was found that the transient hot wire technique ...


Transient Thermal Conductivity Measurements -Comparison of Destructive and Non-destructive Techniques

This paper discusses thermal conductivity measurements on homogenous and non-homogenous materials, using three transient methods: Laser Flash Method (LFM), Modified Hot Wire (MHW), and the Transient Plane Source (TPS). This article also compares the non-destructive nature of the MHW, and the TPS methods, to the destructive nature of the LFM. Research conducted on homogenous materials produced comparable results using all three transient methods. However, when testing non-homogenous materials, such as ...


Intercomparison of thermal conductivity and thermal diffusivity methods for plastics

Thermal conductivity and thermal diffusivity of two poly(methyl methacrylates) were measured using multiple methods; temperature wave analysis, laser flash, transient plane source, transient line-source probe, and heat flux meter. The main reasoning behind this study was to compare results between methods, to ensure repeatability among methods. Good agreement was shown among thermal conductivity and thermal diffusivity results between instruments, however the transient plane source method repeatedly yielded 6% higher results ...

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