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Thermostat to regulate the temperature inside clothes mechanically

Image credit: https://unsplash.com/@guillaumedegermain

Samuel Bello
Samuel Bello Aug 20, 2021
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The clothes will be made of fabrics that can be drawn to make them taut and tight so that they can keep the wearer warm. When the environment is warm the clothes fabric is loosened so that they sag and the air in their environment will cool the wearer. This type of regulation will be effective only for a small range of temperatures.

The idea of clothes that regulate the wearer's temperature is not a new one. Older solutions to this problem involved making bigger clothes and incorporating an electrically powered regulation system. More recent ideas involve the use of materials that change their reflective properties when their temperature changes. This feature allows such materials to regulate temperature by controlling heat transfer through radiation. The proposed idea uses lets us regulate the wearer's temperature by controlling heat transfer through convection. It controls the cloth's ventilation by using a material that has the physical properties of a bimetallic strip. A bimetallic strip is made of two different metals that expand or shrink at different rates when they are heated or cooled. They are used to convert temperature difference to mechanical displacement.

The clothes will be sewn with a flexible bimetallic strip on their hems. Some of the cloth's threads will be attached to the bimetallic strip materials so that they are tightened or loosened when the strip's temperature changes. A knob can be added to give the wearer some control over the temperature changes such that the bimetallic strip can be rolled or unrolled to tighten or loosen the cloth's materials.
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