Thermal diffusivity measurements of molten salts by Laser Flash Analysis (CAT#: STEM-PPA-0058-WXH)

Name: Thermal diffusivity measurements of molten salts by Laser Flash Analysis
SKU: STEM-PPA-0058-WXH
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Introduction

Molten salts, sometimes referred to as salt melts, are a family of products used for a wide range of applications like high-temperature process heating, heat treating and annealing of steel, and thermal storage in solar thermal power plants. These salts are composed of fluoride, chloride, and nitrate salts.

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Principle Applications Procedure Materials

Principle

The laser flash analysis or laser flash method is used to measure thermal diffusivity of a variety of different materials. An energy pulse heats one side of a plane-parallel sample and the resulting time dependent temperature rise on the backside due to the energy input is detected. The higher the thermal diffusivity of the sample, the faster the energy reaches the backside.

Applications

Used to measure thermal diffusivity of a variety of different materials.

Procedure

The front surface of a plane-parallel sample is heated by a light pulse and the resulting temperature rise at the sample’s rear face is recorded as a function of time. The higher the thermal diffusivity, the faster the temperature rise reaches the rear face.