Trident™ Thermal Conductivity Application Highlight: Measuring Thermal Conductivity of Lubricants with MTPS

The following Application Highlight features the use of the Modified Transient Plane Source method in the thermal conductivity testing of lubricants. 

In modern mechanical devices, lubricants serve a dual purpose: They reduce friction between moving parts, thus reducing wear and tear on devices. They also can serve a thermal management role, by transferring heat generated due to friction and shear away from where it is being generated. Heat transfer in such a scenario may be due to thermal conduction or by thermal convection, depending on the device – though in many applications, thermal conduction is the primary mechanism. For this reason, thermal conductivity of lubricants is a key performance attribute. 

C-Therm Trident Thermal Conductivity Instrument

Figure 1. Use of C-Therm Liquids Cell accessory for testing of liquids with the Modified Transient Plane Source method.

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