Apparel Industry

perform your best thermal effusivity

Athletes don't want to be held back by their performance wear. Help create the best products for athletes by harnessing thermal effusivity.

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Using the TPS-EFF, companies can determine how clothing may feel during a work-out or long-exposure to the elements.

For athletic wear, sweat wicking creates the desired cool feel that allow athletes to push their limits; This effect can measure first touch under different levels of humidity for 2 and 10 seconds. Formal or everyday apparel can use effusivity to determine ideal materials that transfer heat better when layering.

Applications of Thermal Effusivity

Measuring Thermal Effusivity vs Moisture with TPS-EFF
Figure 1. Thermal effusivity values of a generic athletic fabric (red) and a fabric with superior moisture-wicking properties (blue) plotted against moisture level (% water saturation) with a touch time of 2 seconds.

Measuring Thermal Effusivity vs Moisture with TPS-EFF – Comparing the Performance of Two Different Fabrics

The Thermal Effusivity (W√s/m2K) of two fabric samples, both with moisture-wicking properties, were compared against each other in a performance test. A sample of generic athletic wear was compared to a sample of fabric designed to have superior moisture-wicking properties. The samples were measured using TPS-EFF (Transient Plane Source-Effusivity) at different moisture levels.

In this experiment, the thermal effusivity of two fabric samples were measured at varying moisture levels using TPS-EFF for a touch time of 2 seconds. Higher levels of moisture mean higher water saturation in the fabric. Therefore, measurements at higher levels of moisture should yield higher effusivity values compared to thermal measurements when the fabric is dry.