Trident™ Thermal Conductivity and Effusivity Application Highlight: Measuring Thermal Properties of Materials Used in an EV Car Seat

The following Application Highlight features the use of the Modified Transient Plane Source method in the thermal conductivity and effusivity testing of various foams, insulations, and fabrics used in the construction of an EV car seat. Interactions between the human body and the materials it is in contact with can play a significant role in perceived quality as well as general comfort. Mechanical properties of the materials are important from a structural aspect of performance; however, thermal properties also play a vital role in overall perception. Upon initial contact, a material’s thermal effusivity can help induce a feeling of warmth or coolness which is known to be key factor in sensory comfort which must be tailored depending on the intended use. The property of thermal conductivity can play an important role when heat dissipation is required around temperature sensitive components, or when the determination of R-value (Thermal Resistance) may be required to ensure optimal system conditions. Herein we discuss the aforementioned thermal properties as they relate to the materials used in an EV car seat.

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