Testing the Thermal Performance of Dielectric Immersive Cooling Fluids

Why Thermal Conductivity Matters

Heat transfer fluids are often a critical component in industrial processes and system designs. Fluids can be used for heat dissipation to maintain stable operating temperatures in a variety of applications, recently gaining a lot of attention for use in EV and HEV engine systems. A wide range of fluids specific to various applications are available, thus a reliable and accurate thermal conductivity characterization is extremely important for proper material selection.

Thermal Management of EV

Electric Vehicle Component Thermal Conductivity

Thermal conductivity analysis of heat transfer fluids with traditional methods is generally time-consuming and can prone to errors related to the impact of convection. Convection often distorts effective thermal conductivity measurements as an additional source of heat transfer. The Modified Transient Plane Source (MTPS) method provides a fast and easy way to accurately measure thermal conductivity without worrying about the influence of convection. The MTPS negates convection errors through a combination of factors including very short test times (< 1s), requiring very small sample volumes (< 2ml) and by generating a very small temperature increasing during testing not more than 1-2ºC above the ambient environmental conditions.

In this webinar we will discuss testing of various fluids with a focus on applications related to thermal management. The MTPS will be highlighted as the primary method of investigation with example data sets collected by C-Therm and case highlights from various academic and industry leaders. 

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