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Development of a two-layer movable sweating thermal manikin.

Teruko Tamura¹

¹Bunka Women's University, Yoyogi 3-22-1, Shibuya-ku, Tokyo 151-8523, Japan.

Industrial Health

|August 23, 2006

Summary

A new two-layer movable sweating thermal manikin was developed to better simulate human thermal responses. This advanced manikin accurately mimics human skin temperature changes in extremities during thermal testing.

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Area of Science:

Thermal physiology
Human thermal comfort
Manikin technology

Background:

Thermal manikins are crucial for evaluating thermal environments and clothing.
Existing manikins lack comprehensive human-like properties such as controlled heat production and sweating.
A need exists for a more accurate thermal manikin to bridge the gap between current technology and human physiological responses.

Purpose of the Study:

To develop a novel two-layer movable sweating thermal manikin.
To enhance the simulation of human thermoregulation in thermal testing.
To create a manikin capable of independent control over temperature, heat supply, posture, and sweating.

Main Methods:

Development of a two-layer manikin with independently controlled core and 17-part shell sections.
Integration of a controlled sweating system with 180 pores using peristaltic pumps.
Assessment of manikin temperature performance using thermography.
Evaluation of manikin's ability to change posture and walk.

Main Results:

The developed manikin demonstrated independent control over temperature and heat supply across its sections.
The manikin successfully simulated sweating from multiple pores.
Thermographic analysis showed surface temperature decreased more in the manikin's extremities than the trunk when exposed to cooler temperatures, mimicking human physiological responses.

Conclusions:

The newly developed two-layer movable sweating thermal manikin offers improved simulation of human thermal responses.
This advanced manikin provides a more accurate tool for evaluating thermal environments and clothing performance.
The manikin's ability to mimic human skin temperature changes, particularly in extremities, represents a significant advancement in thermal manikin technology.

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