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In this article, the authors present a model and a method of determining thermal parameters of a single point of the thermal touch screen for the blind and thermal parameters of selected parts of a human hand. Blind people, by using this device can “see” a pattern of dots by feeling hot spots. The thermal touch screen for the blind was used as a calorimeter and enables to calculate the amount of heat provided to a finger at a temperature ranging from 8°C to 52°C, that is the full range of temperature detected by humans. The authors designated thermal conductivity and heat capacity of both Peltier micromodule and parts of the user's hand. Results of the presented research allow optimizing the construction of the thermal touch screen for the blind and may be helpful for thermal modelling of the human body.
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