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Personalized 3D-printed Headgear for Multi-electrode Transcranial Electrical Stimulation

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Multi-sector thermo-physiological head simulator for headgear research.

Natividad Martinez^1,2, Agnes Psikuta³, José Miguel Corberán²

¹Empa, Swiss Federal Laboratories for Materials Science and Technology, St. Gallen, Switzerland.

International Journal of Biometeorology

|September 11, 2016

Summary

A new human head simulator combines a thermal manikin and a physiological model for realistic headgear testing. This tool accurately predicts thermal comfort and heat transfer, aiding industry in developing better helmet designs.

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Area of Science:

Thermal physiology
Human head modeling
Headgear testing technology

Background:

Accurate thermal comfort assessment is crucial for headgear design and user acceptance.
Existing methods often lack realistic simulation of human physiological responses to heat and moisture.

Purpose of the Study:

To develop and validate a novel thermo-physiological human head simulator for headgear testing.
To realistically quantify heat transfer phenomena and physiological responses during headgear use.

Main Methods:

Coupling a thermal head manikin with a thermo-physiological model.
Evaluating manikin's physiological representation and model's sweat rate predictions.
Validating the coupled simulator using eight human experiments.

Main Results:

The simulator accurately predicted core, mean skin, and forehead temperatures within experimental standard deviations.
Identified limitations in forehead temperature prediction during activity and potential effects on sweat evaporation representation.
Demonstrated realistic quantification of heat transfer phenomena like moisture migration.

Conclusions:

The developed thermo-physiological human head simulator offers a realistic platform for headgear testing.
It enables improved prediction of thermal comfort, facilitating the design of user-accepted headgear.
The simulator is a valuable tool for the industry to enhance helmet thermal performance.